[Amps] 4-1000A in Passive grid-driven use?
R.Measures
r at somis.org
Wed Apr 28 23:39:43 EDT 2004
On Apr 28, 2004, at 12:38 PM, n7ioh wrote:
> Are there any problems in using the 4-1000A in a passive=20
> grid-driven mode on 160 - 10 meter or on 6 meters?
=F0 Above 30m, it's a good idea to tune out the grid's XC. See:
http://www.somis.org/D_a_05.GIF
The XL of L1 tunes out the grid's XC for whatever frequency you choose.=20=
note -- this is the first step in tuning up such a machine. .
> If not, what kind of output can I expect to get?
=F0 Depends on anode V and screen V. With 7kV and 1kV, you should be=20=
able to get 2.6 out.
> Second, I have seen amps that use a roller inductor and not a band=20
> switch, any thoughts?
=F0 They provide the best match over a wide frequency range.
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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