28-11-2012, 08:32 PM
A circuit provided by Skywave:-
[attachment=6523]
From Practical Wireless, November 1975, provided by Skywave:-
[attachment=6524]
From Radio and Electronics Constructor, March 1976, provided by Alan Beckett:-
[attachment=6525]
From Radio Bygones, April/May 2003, provided by PWDrive and including notes by Yorkie:-
[attachment=6527]
Details of the RF Probe mentioned in the article can be seen here: http://golbornevintageradio.co.uk/forum/...p?tid=3884
"Take 20" Basic Wobbulator from Practical Wireless:-
[attachment=8367]
"An Inexpensive Wobbulator" from Practical Wireless, April 1976. It is based on an NE566 IC which are still (June 2013) available at reasonable prices from Far Eastern sellers on e-Bay.
[attachment=8372]
[attachment=6523]
From Practical Wireless, November 1975, provided by Skywave:-
[attachment=6524]
From Radio and Electronics Constructor, March 1976, provided by Alan Beckett:-
[attachment=6525]
From Radio Bygones, April/May 2003, provided by PWDrive and including notes by Yorkie:-
[attachment=6527]
Details of the RF Probe mentioned in the article can be seen here: http://golbornevintageradio.co.uk/forum/...p?tid=3884
"Take 20" Basic Wobbulator from Practical Wireless:-
[attachment=8367]
"An Inexpensive Wobbulator" from Practical Wireless, April 1976. It is based on an NE566 IC which are still (June 2013) available at reasonable prices from Far Eastern sellers on e-Bay.
[attachment=8372]