>From: "ben franchuk" <bfranchuk_at_jetnet.ab.ca>
>
>Geoffrey Thomas wrote:
>> Reminds me of the old Radio Constructor designs where the designer made one
>> transistor do both rf and af amplification.
>> Can't remember his name - or what he called his designs.
>> I'm sure he was knighted or something like that .... anybody ?
>> - Sir Alec Douglas Hall ? was it ?
>> Sounds too much like Alec Douglas Hume !
>
>I have no idea who invented it since it was used every where, since the
>humble
>vacume tube ( valve) was invented. You can still buy or build them today.
>
>http://www.vcomp.co.uk/one_tube_1935/one_tube_1935.htm
>http://schmarder.com/radios/tube/index.htm
>Ben.
>
>
Hi
The circuit is called a reflex circuit. The second web page
above shows a tube reflex circuit.
Dwight
Received on Fri Aug 13 2004 - 13:49:25 BST