| 摘要 |
The frequency converter, for common antenna TV systems, has the output circuit (1) for the input frequency (converting VHF to UHF) or the output circuit for the oscillator output (converting from one UHF band to another UHF band) designed as a grounded parallel resonant circuit. A capacitive voltage divider (4, 5) acts as capacitance in the resonant circuit. The mixer diode (2) is connected to the junction between the capacitor of the divider. |
