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[Amps] Re: [Amps] Re: [Amps] suppressors

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Subject: [Amps] Re: [Amps] Re: [Amps] suppressors
From: (2)
Date: Tue, 6 Aug 2002 17:26:30 -0700
>> >
>> **  The AL-
>1500 (1, 8877) is the only HF amplifier I know of that has no 
>> vhf suppressor. [Figure 24.1 on my Web site]
>I do not deal with Ham products, but in some medium (line tuned) and 
>big power (cavity) VHF amplifiers, ceramic tubes from YC236 (8877) to 
>much larger ones in Gg there's no trace of classical supppressors, 
>better to say, there's no coil (line) with (any) resistor.

**  No one uses a VHF suppressor in a VHF amplifier.
>My HF Amplifiers with low feedback ceramic tubes have no suppressors 
>unless that using a 3CX1200A7. 

**  With 0.7pF of feedback C, si.  The 3cx1200Z7 has c. 1/10 as much.  

ciao, Mauri

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,  

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