186
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SG505: Difference between revisions
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{{Spec | Topology | State-variable oscillator with N-FET (151-1021-00) based AGC. Range switches change capacitors and AGC time constants, main dial changes integrator resistor. Oscillator built from NE5534 amplifiers. }} | {{Spec | Topology | State-variable oscillator with N-FET (151-1021-00) based AGC. Range switches change capacitors and AGC time constants, main dial changes integrator resistor. Oscillator built from NE5534 amplifiers. }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
<!-- It's internally an surprisingly unremarkable device, no special tricks or selected parts (except for the AGC FET, which is probably some COTS FET selected for threshold voltage and distortion) or something like that, just an ordinary SVO, some NE553x, standard attenuator and that's it - no magic :-) --> | |||
==Pictures== | ==Pictures== | ||