|[AMRadio] Home Brew|
crawfish at surfmore.net
Mon Oct 18 18:45:57 EDT 2004
I know this is an older post, but in the event anyone wants to do this, I
have the article from 10th edition(1946) West Coast handbook with this
circuit in it.
----- Original Message -----
From: John Coleman <wa5bxo at pctechref.com>
To: 'Discussion of AM Radio' <amradio at mailman.qth.net>
Sent: Tuesday, September 28, 2004 6:08 PM
Subject: RE: [AMRadio] Home Brew
If I were going to build with tubes again and two hundred watts was
the carrier output that I wanted. I would use a pair of 812s in push pull
class C and modulate with a pair of 811As push pull class B. Run about 1500
volts @ 200 ma for 300 watts plate input on the 812s. Find a Modulation
XFMR to match the output of 811A class B (about 12500 ohms as I remember) to
the 7500 ohm class C final.
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of StephenTetorka at cs.com
Sent: Tuesday, September 28, 2004 2:50 PM
To: amradio at mailman.qth.net
Subject: [AMRadio] Home Brew
I'd like to build my own AM transmitter.
Tube style; more than 200 watts.
Sure a heck of a lot to choose from...but I'd like to hear what you think.
OR...if someone knows of a home brew for sale....
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