Скачать или смотреть Philips GM2877/2 HF-UHF Sweeper signal generator 1965

Tube based, consist of 4 oscillators and one mixer unit, one of the osc units can also be crystal controlled, Tubes ECC88 x 2, EC81 the rare one triode, ECC83 dual triode, EZ80 rectifier, Diodes OA79 x 4 and OA202
really cool "loudspeaker" magnet and voice coil type of sweeper, the only thing that dont not work is the crystal osc, maybe i used wrong type of crystal, and scales are quite a bit far off, it is NOT a very accurate unit.
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I use auto generated subs, i am sorry there are a few spelling errors,
maybe one day they can do it better..
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