| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: selective amplifier has a first (1) and a second (2) input transistor, the output (5) of the device, a first (8) balancing capacitor, a second (9) balancing capacitor, a first (12) and a second (13) additional frequency-setting resistor and a third (14) balancing capacitor.EFFECT: high Q-factor of the amplitude-frequency curve of the selective amplifier and its voltage gain at quasi-resonance frequency f.5 dwg |
