Re: LF: Looking for 2-3 Watt Linear PA for LF

["Andre' Kesteloot" <akestelo@bellatlantic.net>]

The LM1875 IC does that without any problem. Maplin even has (had ?) a kit of
parts
73
Andre' N4ICK
********************************
Peter Dodd wrote:

> Hi Geri
> > Does anyone of you have a proven scheme of a small linear PA available,
> > that delivers about 2 or 3 Watts from 10 mW, preferably from 18 Volts
> > (which is the voltage used by the exciter)? I am sure a small audio
> > amplifier would do ...
>
> I had a similar problem when I wanted to amplify the output of a
> signal generator to drive my impedance matching unit. The amplifier
> had to be linear to minimise harmonic content. I used a commercial
> car stereo amplifier from a local radio junk shop (yes we are lucky
> to still have one of these locally). See page 86-88 of 'The Low
> Frequency Experimenter's Handbook'.
>
> --
> Regards, Peter, G3LDO
>
> <g3ldo@zetnet.co.uk>