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1. [AMPS] Meter Protection for Drake L7 (score: 1): Author: Michael Tope" <W4EF@dellroy.com (Michael Tope); Date: Sat, 10 Mar 2001 14:50:34 -0800; Is a back-to-back pair of single 1N4003's sufficient to protect the plate current meter and grid current meter in the Drake L7, or do I need to series several of these diodes to avoid shunting signif; /archives//html/Amps/2001-03/msg00069.html (7,182 bytes)
2. [AMPS] Meter Protection for Drake L7 (score: 1): Author: k1ta@contesting.com (Bob Marston); Date: Sat, 10 Mar 2001 11:24:41 -0800; Michael all silicon diodes need .7 volts before they conduct current. Germanium .3 volts. The coil resistance for most meters is typically very low. I have never seen a schematic including diode prot; /archives//html/Amps/2001-03/msg00070.html (7,572 bytes)
3. [AMPS] Meter Protection for Drake L7 (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Sat, 10 Mar 2001 21:17:50 +0000; You're asking for two different things: protection against faults, and low errors due to current flowing through the diode in normal operation. Both depend on the voltage drops across the individual; /archives//html/Amps/2001-03/msg00074.html (9,088 bytes)

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