Voltage controlled oscillator.

摘要

A voltage-controlled oscillator using planar microstrip technology and primarily for the 37 to 39.5 GHz frequency band comprises a strip-line resonator (1), a negative resistance device (2) mounted adjacent the centre of said resonator, respective variable capacitance devices (4) mounted adjacent the ends of said resonator (1), high impedance means (6) coupling said resonator (1) to an output path (7), and means to apply bias signals to said negative resistance device (2) and said variable capacitance devices (4). <IMAGE>