- 1. [Amps] Tentec Hercukes II PA Bias (score: 1)
- Author: Gary Hendricks <k4mt1950@charter.net>
- Date: Mon, 10 Jun 2019 12:00:21 -0400
- Does anyone know the proper spec for the Hercules II PA bias. It has MRF458 devices. I read somewhere it needs to be 500 ma per pair of transistors which is consistent with radio PAs that use these.
- /archives//html/Amps/2019-06/msg00029.html (7,129 bytes)
- 2. [Amps] Amp causing RFI (score: 1)
- Author: "Gary Hendricks" <k4mt1950@charter.net>
- Date: Tue, 28 Jan 2020 11:37:12 -0500
- I have a Tentec Hercules II amplifier. When I am on 40 meters only it sets off my neighbors outside motion light. I know these lights are a problem, but what has me concerned is when I run my old SB-
- /archives//html/Amps/2020-01/msg00036.html (6,592 bytes)
- 3. [Amps] Amp causing RFI Update (score: 1)
- Author: Gary H <k4mt1950@charter.net>
- Date: Tue, 4 Feb 2020 13:59:42 -0500
- Well thanks all for the advice. As for grounds I have two 8 ft ground rods and large radial field bonded to shack ground bus with short heavy wire and connected back to mains entrance ground. We chec
- /archives//html/Amps/2020-02/msg00016.html (7,947 bytes)
- 4. [Amps] SSB-230 suppressors (score: 1)
- Author: "Gary Hendricks" <k4mt1950@charter.net>
- Date: Mon, 25 May 2020 10:37:15 +0000
- I was wondering if there would be any advantage to the stability of the SB-230 by replacing their wire with ferrite beads used as a parasitic suppressor with a more conventional type? Any success or
- /archives//html/Amps/2020-05/msg00043.html (6,491 bytes)
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