[Amps] 120 Hz hum from Henry...

Carl km1h at jeremy.mv.com
Sun Feb 21 11:40:05 PST 2010


I guess you are unfamiliar with almost all commercial ham amps.

Read a few schematics.

Carl


----- Original Message ----- 
From: "Bill, W6WRT" <dezrat1242 at yahoo.com>
To: <amps at contesting.com>
Sent: Sunday, February 21, 2010 2:18 PM
Subject: Re: [Amps] 120 Hz hum from Henry...


> ORIGINAL MESSAGE:
> 
> On Sun, 21 Feb 2010 13:43:04 -0500, "Carl" <km1h at jeremy.mv.com> wrote:
> 
>>
>>My 1200W LK-500 SSB/CW amp with 26uF filter has a 400-450V swing on the 
>>meter.
> 
> REPLY:
> 
> That's the smallest filter for a KW+ rig I have seen so far. Most amps
> use something around 50 uF. 
> 
> 73, Bill W6WRT
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