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1. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: W4EF@pacbell.net (Michael Tope); Date: Sun, 10 Oct 1999 17:39:46 -0700; Does anyone have suggestions (aside from not running QSK) on how one can extend the life of the RJ1A vacuum relay in the Alpha 78 amplifier? Our club station has two of these amplifiers both of which; /archives//html/Amps/1999-10/msg00347.html (8,001 bytes)
2. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 10 Oct 1999 20:48:15 -0700; A 26v RJ-1A has a 0.3H coil. Charging the coil takes time. Without a speed-up circuit, RJ-1As can not switch fast enough to preclude hotswitching with modern radios. To speed-up a RJ=1A relay, start; /archives//html/Amps/1999-10/msg00349.html (9,744 bytes)
3. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 10 Oct 1999 23:07:40 -0500; Are the contacts welding, or are the coils burning out? Phil, K5PC -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contes; /archives//html/Amps/1999-10/msg00351.html (7,871 bytes)
4. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: w4eto@rmi.net (Richard W. Ehrhorn); Date: Fri, 15 Oct 1999 11:41:24 -0600; Hi Mike... Recent years' production of the Kilovac HC-1 vacuum relay (looks almost identical to Jennings RJ1-A and installs identically) has substantially more robust innards with far better bounce c; /archives//html/Amps/1999-10/msg00506.html (9,388 bytes)
5. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 15 Oct 1999 11:33:36 -0700; ? To fully close a RJ-1A or HC-1 (26v) in 2mS, my test showed that it takes around 85, current-limited, open-circuit volts. . What is the source voltage for the ant. relay coil in the Alpha 78, Dick; /archives//html/Amps/1999-10/msg00507.html (8,505 bytes)
6. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: w4eto@rmi.net (Richard W. Ehrhorn); Date: Sat, 16 Oct 1999 16:28:33 -0600; Supply voltage is around 36V as I recall -- I re-emphasize that the RJ1-A and HC-1 (current production, at least) are NOT interchangeable with respect to high speed switching. The Kilovac HC-1 has mu; /archives//html/Amps/1999-10/msg00521.html (9,547 bytes)
7. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 16 Oct 1999 18:29:02 -0700; thanks, Dick. I do not see how 36v OC is able to cause closure three to four times faster than 26v. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.; /archives//html/Amps/1999-10/msg00523.html (7,665 bytes)
8. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: w4eto@rmi.net (Richard W. Ehrhorn); Date: Mon, 18 Oct 1999 15:26:46 -0600; Total time to end of contact bounce is the only parameter that really means anything in terms of closure time... 73, Dick thanks, Dick. I do not see how 36v OC is able to cause closure three to four; /archives//html/Amps/1999-10/msg00533.html (8,360 bytes)
9. [AMPS] RJ1A/RJ1H for Alpha 78 (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 18 Oct 1999 17:16:08 -0700; This is how I measure closure time, Dick. Either relay's coil has 0.3H. In my experience, it much more initial volts to quickly overcome this much inductance. . - Rich..., 805.386.3734, www.vcnet.co; /archives//html/Amps/1999-10/msg00536.html (8,867 bytes)

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