| Piezo crystals can generate voltages of many tens of volts when given a firm enough prod with a finger to bend the baseplate. The charge mov...
| Piezo crystals can generate voltages of many tens of volts when given a firm enough prod with a finger to bend the baseplate. The charge mov...
| Most tuners with varicap front-ends require two supply voltages. One for the front-end and i.f. amplifier {usually about +12 V) and a t...