[Amps] W8ZR's 8877 Amp Schematics

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Thu, 25 Feb 2010 16:04:21 -0700, "Jim  Garland"
<4cx250b at muohio.edu> wrote:

>I received several requests recently for schematic diagrams of my homebrew
>8877 amplifier. This is an amp that was described in the Bill Orr W6SAI
>Handbook in several editions. I rebuilt the amp in the mid-90's to
>incorporate the WARC bands, and also added QSK and electronic bias
>switching.The schematics for the upgraded amp have never been published.
>Recently, I upgraded the amp again, mostly in the HV power supply. The
>latest schematic diagram can be downloaded from > 
>
>http://www.w8zr.net/images/W8ZR%208877%20Amp%20Schematics.pdf

REPLY:

Nice work, Jim, but I noticed neither meter has diode protection. Was
that accidentally omitted from the schematic?

73, Bill W6WRT