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