Elecraft K2
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I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2?
Thanks for any advice. Brian KB1VBF Sent from my iPad ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Brian,
The web pages have gone away, but the instructions are quite easy. First, you need the KIO2 installed in the base K2. Build the KAT100-2, just follow instructions - build the cable for the KAT100 as instructed in the manual. Test and align it with the K2/10 at 10 watts - the RF output from the K2 will be from ANT1 if you have the KAT2 installed. Then build the KPA100. Do the alignment, test and calibration with it connected as normal to the base K2. Then install the KPA100 in the EC2 enclosure. It plugs right into the KAT100-2 You will have to remove pin 4 from the ribbon cable connector. Connect a BNC to BNC cable between the base K2 ANT1 connector, a short UHF to UHF cable between the KPA100 ANT jack to the KAT100 RF IN jack. The control cable connector with the two cables plugs into the KIO2 and the other male connector plugs into either the KAT100 or the KPA100 DB-9 connector. The K2 senses the presence of both the KPA100 and the KAT2 and automatically forces the KAT2 to bypass and ANT1. Operation is automatic and seamless. To use the K2/10 for portable operation, remove the BNC cable from ANT1 and remove the control cable - the K2 will then revert to the 10 watt transceiver with the KAT2 active. Normally in the external KAT100-2/KPA100 combination, the power for the KAT100 comes through the KPA100 APP power cable. If you want to set it up so the K2 will revert to low power automatically if the AC powered large power supply goes down in an AC power failure, you must power *both* the base K2 and the KAT100 from a battery backed supply. The switch to low power will then be automatic if the large power source goes down. Even though the KPA100 duplicates the AUX IO port of the KIO2, the computer connection part of that connector will not be functional when mounted in the EC2 enclosure. Computer communications must be from the KIO2. 73, Don W3FPR On 1/4/2015 12:42 AM, Brian Denley wrote: > I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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So Don, that seems to imply that if you want to do CAT control of the K2 with an external EC2 enclosure, you need to make up a special cable that plugs in to the basic K2 K2IO connector and breaks out the computer control lines to one DB9 serial port connector, and runs the rest of the lines to the EC2 enclosure. Am I understanding this correctly?
Also, if a KPA100 was installed in the EC2 enclosure, it is possible to switch the lid of the EC2 over to the K2/10 in order to get a K2/100? Of course, this would mean leaving the KAT100 behind in the EC2 enclosure. Maybe the KAT100 could be put in a EC1 enclosure, so the home config is K2/10 + KPA100 in EC2 + KAT100 in EC1, and the portable QRO config is K2/100 + optional KAT100 in EC1. 73, Matt VK2RQ > On 4 Jan 2015, at 7:59 am, Don Wilhelm <[hidden email]> wrote: > > Brian, > > The web pages have gone away, but the instructions are quite easy. > First, you need the KIO2 installed in the base K2. > > Build the KAT100-2, just follow instructions - build the cable for the KAT100 as instructed in the manual. Test and align it with the K2/10 at 10 watts - the RF output from the K2 will be from ANT1 if you have the KAT2 installed. > > Then build the KPA100. Do the alignment, test and calibration with it connected as normal to the base K2. > > Then install the KPA100 in the EC2 enclosure. It plugs right into the KAT100-2 You will have to remove pin 4 from the ribbon cable connector. > > Connect a BNC to BNC cable between the base K2 ANT1 connector, a short UHF to UHF cable between the KPA100 ANT jack to the KAT100 RF IN jack. The control cable connector with the two cables plugs into the KIO2 and the other male connector plugs into either the KAT100 or the KPA100 DB-9 connector. > > The K2 senses the presence of both the KPA100 and the KAT2 and automatically forces the KAT2 to bypass and ANT1. Operation is automatic and seamless. > To use the K2/10 for portable operation, remove the BNC cable from ANT1 and remove the control cable - the K2 will then revert to the 10 watt transceiver with the KAT2 active. > > Normally in the external KAT100-2/KPA100 combination, the power for the KAT100 comes through the KPA100 APP power cable. If you want to set it up so the K2 will revert to low power automatically if the AC powered large power supply goes down in an AC power failure, you must power *both* the base K2 and the KAT100 from a battery backed supply. The switch to low power will then be automatic if the large power source goes down. > > Even though the KPA100 duplicates the AUX IO port of the KIO2, the computer connection part of that connector will not be functional when mounted in the EC2 enclosure. Computer communications must be from the KIO2. > > 73, > Don W3FPR > > On 1/4/2015 12:42 AM, Brian Denley wrote: >> I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? >> >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Matt,
The control cable should be constructed exactly like the one shown in the KAT100 manual. The construction of the cable breaks out the pins used for the computer communications (2, 3, and 5) in the 'tail' which connects to the computer. The other pins connect to the 'KAT100 tail' and contain the K2 control signals necessary to communicate with the KPA100 and KAT100. The EC1 enclosure will not work - that enclosure is sized the same as the K1. If you want to build the KAT100 into a smaller case, order the KAT100-1 kit. If you already have the KAT100-2, you can order the case components for the KAT100-1. Elecraft does sell a kit to convert a KAT100-1 to a KAT100-2, but not the other way around. So, if your desire is for a portable K2/100 plus KAT100, the smallest form factor is with the KPA100 mounted on the base K2 and a KAT100-1. I think one would not build the KPA100 and KAT100-2 in an EC2 enclosure unless the desire is to retain the K2/10 for portable operation. 73, Don W3FPR On 1/4/2015 8:26 AM, Matt VK2RQ wrote: > So Don, that seems to imply that if you want to do CAT control of the K2 with an external EC2 enclosure, you need to make up a special cable that plugs in to the basic K2 K2IO connector and breaks out the computer control lines to one DB9 serial port connector, and runs the rest of the lines to the EC2 enclosure. Am I understanding this correctly? > > Also, if a KPA100 was installed in the EC2 enclosure, it is possible to switch the lid of the EC2 over to the K2/10 in order to get a K2/100? Of course, this would mean leaving the KAT100 behind in the EC2 enclosure. Maybe the KAT100 could be put in a EC1 enclosure, so the home config is K2/10 + KPA100 in EC2 + KAT100 in EC1, and the portable QRO config is K2/100 + optional KAT100 in EC1. > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by bdenley
Brian,
Here is a website with some pictures of a KAT100 and KPA100 in an EC2 enclosure. This is what helped me figure out how to do it. http://wilcoxengineering.com/kpa100-in-ec2/ I have my ATU setting set on Auto. I believe that if the K2 detects the KAT100 it will use it instead of the KAT2. Mike KI0HA On 1/3/2015 23:42, Brian Denley wrote: > I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? > > Thanks for any advice. > > Brian KB1VBF > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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For somebody considering KAT100+KPA100 in a separated enclosure, KXPA100 + internal ATU or Hardrock 50 + internal ATU could be alternatives. They are separated stand alone linear amplifiers as well.
These alternatives can also be used with other radios and sold easily in the second hand market if they become surplus in the future. The application of KAT100+KPA100 is only restricted to K2. 73 Johnny VR2XMC 寄件人︰ Michael Eberle <[hidden email]> 收件人︰ [hidden email] 傳送日期︰ 2015年01月5日 (週一) 4:13 AM 主題︰ Re: [Elecraft] Elecraft K2 Brian, Here is a website with some pictures of a KAT100 and KPA100 in an EC2 enclosure. This is what helped me figure out how to do it. http://wilcoxengineering.com/kpa100-in-ec2/ I have my ATU setting set on Auto. I believe that if the K2 detects the KAT100 it will use it instead of the KAT2. Mike KI0HA On 1/3/2015 23:42, Brian Denley wrote: > I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? > > Thanks for any advice. > > Brian KB1VBF ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Thanks Johnny and Mike.
Brian KB1VBF Sent from my iPad > On Jan 4, 2015, at 5:40 PM, Johnny Siu <[hidden email]> wrote: > > For somebody considering KAT100+KPA100 in a separated enclosure, KXPA100 + internal ATU or Hardrock 50 + internal ATU could be alternatives. They are separated stand alone linear amplifiers as well. > These alternatives can also be used with other radios and sold easily in the second hand market if they become surplus in the future. > The application of KAT100+KPA100 is only restricted to K2. > 73 > Johnny VR2XMC > 寄件人︰ Michael Eberle <[hidden email]> > 收件人︰ [hidden email] > 傳送日期︰ 2015年01月5日 (週一) 4:13 AM > 主題︰ Re: [Elecraft] Elecraft K2 > > Brian, > > Here is a website with some pictures of a KAT100 and KPA100 in an EC2 > enclosure. This is what helped me figure out how to do it. > > http://wilcoxengineering.com/kpa100-in-ec2/ > > I have my ATU setting set on Auto. I believe that if the K2 detects the > KAT100 it will use it instead of the KAT2. > > Mike > KI0HA > >> On 1/3/2015 23:42, Brian Denley wrote: >> I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? >> >> Thanks for any advice. >> >> Brian KB1VBF > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Don Wilhelm-4
Don:
Thanks for all that information. My K2 has the KIO2 and I am building the KAT100 in the EC2 next week. On you last paragraph: will I still be able to use the 'Twins' setup under computer control through the KIO2? Brian KB1VBF Sent from my iPad > On Jan 4, 2015, at 7:59 AM, Don Wilhelm <[hidden email]> wrote: > > Brian, > > The web pages have gone away, but the instructions are quite easy. > First, you need the KIO2 installed in the base K2. > > Build the KAT100-2, just follow instructions - build the cable for the KAT100 as instructed in the manual. Test and align it with the K2/10 at 10 watts - the RF output from the K2 will be from ANT1 if you have the KAT2 installed. > > Then build the KPA100. Do the alignment, test and calibration with it connected as normal to the base K2. > > Then install the KPA100 in the EC2 enclosure. It plugs right into the KAT100-2 You will have to remove pin 4 from the ribbon cable connector. > > Connect a BNC to BNC cable between the base K2 ANT1 connector, a short UHF to UHF cable between the KPA100 ANT jack to the KAT100 RF IN jack. The control cable connector with the two cables plugs into the KIO2 and the other male connector plugs into either the KAT100 or the KPA100 DB-9 connector. > > The K2 senses the presence of both the KPA100 and the KAT2 and automatically forces the KAT2 to bypass and ANT1. Operation is automatic and seamless. > To use the K2/10 for portable operation, remove the BNC cable from ANT1 and remove the control cable - the K2 will then revert to the 10 watt transceiver with the KAT2 active. > > Normally in the external KAT100-2/KPA100 combination, the power for the KAT100 comes through the KPA100 APP power cable. If you want to set it up so the K2 will revert to low power automatically if the AC powered large power supply goes down in an AC power failure, you must power *both* the base K2 and the KAT100 from a battery backed supply. The switch to low power will then be automatic if the large power source goes down. > > Even though the KPA100 duplicates the AUX IO port of the KIO2, the computer connection part of that connector will not be functional when mounted in the EC2 enclosure. Computer communications must be from the KIO2. > > 73, > Don W3FPR > >> On 1/4/2015 12:42 AM, Brian Denley wrote: >> I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? >> >> > Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Brian,
Yes, certainly - you expand the computer cable that you are now using with the pigtail to the KAT100 - as shown in the KAT100 manual. The K2 operates as normal. The control cable connector with the two cables in it must connect to the KIO2. My point was only that: The TTL to RS-232 converter chip in the KPA100 cannot be used for computer control with the KPA100 mounted in the EC2 enclosure. That part is only functional when the KPA100 is mounted on the base K2 (with the external mounting, there are no TXD and RXD signals sent to the KPA100). So you get your computer communications from the KIO2, and not from the KPA100. 73, Don W3FPR On 1/4/2015 6:08 PM, Brian Denley wrote: > Don: > Thanks for all that information. My K2 has the KIO2 and I am building the KAT100 in the EC2 next week. On you last paragraph: will I still be able to use the 'Twins' setup under computer control through the KIO2? > > Brian KB1VBF > > Sent from my iPad > >> On Jan 4, 2015, at 7:59 AM, Don Wilhelm <[hidden email]> wrote: >> >> Brian, >> >> The web pages have gone away, but the instructions are quite easy. >> First, you need the KIO2 installed in the base K2. >> >> Build the KAT100-2, just follow instructions - build the cable for the KAT100 as instructed in the manual. Test and align it with the K2/10 at 10 watts - the RF output from the K2 will be from ANT1 if you have the KAT2 installed. >> >> Then build the KPA100. Do the alignment, test and calibration with it connected as normal to the base K2. >> >> Then install the KPA100 in the EC2 enclosure. It plugs right into the KAT100-2 You will have to remove pin 4 from the ribbon cable connector. >> >> Connect a BNC to BNC cable between the base K2 ANT1 connector, a short UHF to UHF cable between the KPA100 ANT jack to the KAT100 RF IN jack. The control cable connector with the two cables plugs into the KIO2 and the other male connector plugs into either the KAT100 or the KPA100 DB-9 connector. >> >> The K2 senses the presence of both the KPA100 and the KAT2 and automatically forces the KAT2 to bypass and ANT1. Operation is automatic and seamless. >> To use the K2/10 for portable operation, remove the BNC cable from ANT1 and remove the control cable - the K2 will then revert to the 10 watt transceiver with the KAT2 active. >> >> Normally in the external KAT100-2/KPA100 combination, the power for the KAT100 comes through the KPA100 APP power cable. If you want to set it up so the K2 will revert to low power automatically if the AC powered large power supply goes down in an AC power failure, you must power *both* the base K2 and the KAT100 from a battery backed supply. The switch to low power will then be automatic if the large power source goes down. >> >> Even though the KPA100 duplicates the AUX IO port of the KIO2, the computer connection part of that connector will not be functional when mounted in the EC2 enclosure. Computer communications must be from the KIO2. >> >> 73, >> Don W3FPR >> >>> On 1/4/2015 12:42 AM, Brian Denley wrote: >>> I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? >>> >>> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Don:
That's what I thought from the KAT100 manual. Thanks! Brian KB1VBF Sent from my iPad > On Jan 4, 2015, at 6:41 PM, Don Wilhelm <[hidden email]> wrote: > > Brian, > > Yes, certainly - you expand the computer cable that you are now using with the pigtail to the KAT100 - as shown in the KAT100 manual. The K2 operates as normal. > The control cable connector with the two cables in it must connect to the KIO2. > > My point was only that: > The TTL to RS-232 converter chip in the KPA100 cannot be used for computer control with the KPA100 mounted in the EC2 enclosure. That part is only functional when the KPA100 is mounted on the base K2 (with the external mounting, there are no TXD and RXD signals sent to the KPA100). > > So you get your computer communications from the KIO2, and not from the KPA100. > > 73, > Don W3FPR > >> On 1/4/2015 6:08 PM, Brian Denley wrote: >> Don: >> Thanks for all that information. My K2 has the KIO2 and I am building the KAT100 in the EC2 next week. On you last paragraph: will I still be able to use the 'Twins' setup under computer control through the KIO2? >> >> Brian KB1VBF >> >> Sent from my iPad >> >>> On Jan 4, 2015, at 7:59 AM, Don Wilhelm <[hidden email]> wrote: >>> >>> Brian, >>> >>> The web pages have gone away, but the instructions are quite easy. >>> First, you need the KIO2 installed in the base K2. >>> >>> Build the KAT100-2, just follow instructions - build the cable for the KAT100 as instructed in the manual. Test and align it with the K2/10 at 10 watts - the RF output from the K2 will be from ANT1 if you have the KAT2 installed. >>> >>> Then build the KPA100. Do the alignment, test and calibration with it connected as normal to the base K2. >>> >>> Then install the KPA100 in the EC2 enclosure. It plugs right into the KAT100-2 You will have to remove pin 4 from the ribbon cable connector. >>> >>> Connect a BNC to BNC cable between the base K2 ANT1 connector, a short UHF to UHF cable between the KPA100 ANT jack to the KAT100 RF IN jack. The control cable connector with the two cables plugs into the KIO2 and the other male connector plugs into either the KAT100 or the KPA100 DB-9 connector. >>> >>> The K2 senses the presence of both the KPA100 and the KAT2 and automatically forces the KAT2 to bypass and ANT1. Operation is automatic and seamless. >>> To use the K2/10 for portable operation, remove the BNC cable from ANT1 and remove the control cable - the K2 will then revert to the 10 watt transceiver with the KAT2 active. >>> >>> Normally in the external KAT100-2/KPA100 combination, the power for the KAT100 comes through the KPA100 APP power cable. If you want to set it up so the K2 will revert to low power automatically if the AC powered large power supply goes down in an AC power failure, you must power *both* the base K2 and the KAT100 from a battery backed supply. The switch to low power will then be automatic if the large power source goes down. >>> >>> Even though the KPA100 duplicates the AUX IO port of the KIO2, the computer connection part of that connector will not be functional when mounted in the EC2 enclosure. Computer communications must be from the KIO2. >>> >>> 73, >>> Don W3FPR >>> >>>> On 1/4/2015 12:42 AM, Brian Denley wrote: >>>> I am building a KAT100 and KPA100 in an separate EC2 housing. There used to be some websites with details on this arrangement but I can no longer find them. As I understand things, the KPA100 / KAT100 will operate from the KIOS cable but do I need to disable my KAT2? > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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