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Total 11 documents matching your query.

1. [AMPS] SB220 problems (score: 1): Author: vk6apk@eon.net.au (Alek Petkovic); Date: Sat, 26 Dec 1998 19:50:02 +0800; Hi All, A friend of mine in Virginia is having the following nightmare with his SB220. Can anybody help? I have copied and pasted his e-mail and deleted all the expletives. I think. If there's still; /archives//html/Amps/1998-12/msg00408.html (10,541 bytes)
2. [AMPS] SB220 problems (score: 1): Author: wb8jkr@juno.com (Mark S Graalman); Date: Sat, 26 Dec 1998 07:59:36 EST; Has he checked/replaced the diode? maybe the cap is seeing a bit of AC due to diode leakage or something. Mark WB8JKR On Sat, 26 Dec 1998 19:50:02 +0800 Alek Petkovic <vk6apk@eon.net.au> writes: To:; /archives//html/Amps/1998-12/msg00409.html (12,444 bytes)
3. [AMPS] SB220 problems (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 26 Dec 1998 10:06:27 -0500; Put a reverse diode (1N4007) accross the coil to stop the back EFM of the relay blowing the cap. de Norm N8RGR To: <amps@contesting.com> -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissio; /archives//html/Amps/1998-12/msg00410.html (11,943 bytes)
4. [AMPS] SB220 problems (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 26 Dec 1998 10:47:35 -0500; On Sat, 26 Dec 1998 19:50:02 +0800 Alek Petkovic <vk6apk@eon.net.au> writes: Starting with the obvious, you have checked or replaced the diode? Six of them were supposedly new stock. Brand and date c; /archives//html/Amps/1998-12/msg00411.html (11,056 bytes)
5. [AMPS] SB220 problems (score: 1): Author: w8ik@ibm.net (Joe Subich, W8IK); Date: Sat, 26 Dec 1998 10:56:33 -0500; Install a larger (voltage) capacitor or a series resistor (47 Ohm 2 watt) ahead of the capacitor. 120 volts * 1.4 (for a capacitor input filter) is 168 volts on the capacitor ... it's too close for; /archives//html/Amps/1998-12/msg00412.html (8,667 bytes)
6. [AMPS] SB220 problems (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 26 Dec 1998 09:39:32 -0800; ? The original capacitor was a cheapo and it worked ok, Carl. We are only talking about a 25mA load, so the ripple current is small. My guess is that the diode is the problem. If it were a zener, it; /archives//html/Amps/1998-12/msg00414.html (9,839 bytes)
7. [AMPS] SB220 problems (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 26 Dec 1998 09:39:34 -0800; ? Good idea, Norm. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: a; /archives//html/Amps/1998-12/msg00415.html (7,707 bytes)
8. [AMPS] SB220 problems (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 27 Dec 1998 09:58:25 -0500; On Sat, 26 Dec 1998 09:39:32 -0800 Rich Measures <measures@vc.net> writes: Worked OK until it leaked or shorted, that cap was always on the edge, particularly the early ones in the brown/tan case. Ea; /archives//html/Amps/1998-12/msg00426.html (10,327 bytes)
9. [AMPS] SB220 problems (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 27 Dec 1998 12:24:46 -0800; resistive ? I measure 122vdc, no load. That's c.86Vrms. Are you contending that Vrms x the square root of 2 does Not = peak-V? - later, Carl Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com; /archives//html/Amps/1998-12/msg00429.html (10,396 bytes)
10. [AMPS] SB220 problems (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 27 Dec 1998 17:49:28 -0500; On Sun, 27 Dec 1998 12:24:46 -0800 Rich Measures <measures@vc.net> writes: Later yourself Carl ___________________________________________________________________ You don't need to buy Internet acces; /archives//html/Amps/1998-12/msg00431.html (11,800 bytes)
11. [AMPS] SB220 problems (score: 1): Author: mgilmer@gnlp.com (Gilmer, Mike); Date: Mon, 28 Dec 1998 09:03:54 -0500; And usually a good idea: a 0.1uF or so bypass across the diode to prevent it from being an RF detector. Mike N2MG -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com; /archives//html/Amps/1998-12/msg00440.html (8,671 bytes)

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