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vinrads · 4th Mar 2018, 3:02 am

Update on the Raie Studio nine valve set . I decided to scope around the first two valves rf end what do you know a nice healthy sine wave , so something is oscillating ,decided to disconnect the osc tuning capacitor and try it in different points around the front end , no damage was done ,it's only a capacitor .
At one point on the what looks like the first IF can ,but when cleaned I see it is marked filter, it tuned , so it is now connected to the junction of the plug in coil pack and the filter tx it now tunes the osc freq .
At one stage I had it working fine, but something happened further work req It is now 2 am time for bed me thinks . Mick.

4th Mar 2018, 3:02 am	#7
vinrads Dekatron Join Date: Feb 2009 Location: Chesterfield, Derbyshire, UK. Posts: 3,767	Re: Supersonic Heterodyne radio 1920's. Update on the Raie Studio nine valve set . I decided to scope around the first two valves rf end what do you know a nice healthy sine wave , so something is oscillating ,decided to disconnect the osc tuning capacitor and try it in different points around the front end , no damage was done ,it's only a capacitor . At one point on the what looks like the first IF can ,but when cleaned I see it is marked filter, it tuned , so it is now connected to the junction of the plug in coil pack and the filter tx it now tunes the osc freq . At one stage I had it working fine, but something happened further work req It is now 2 am time for bed me thinks . Mick. Last edited by vinrads; 4th Mar 2018 at 3:08 am.