Radio frequency double-channel voltage controlled oscillator based on central tapped inductive switch
A technology of voltage-controlled oscillator and center tap, which is applied in the direction of automatic power control, electrical components, etc., can solve the problem of large chip area and achieve the effect of reducing the occupied area
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[0026] This embodiment has the same image 3 The circuit shown is exactly the same circuit structure. The components and circuit parameters of this embodiment are listed as follows:
[0027] The inductances of the first inductor L1, the second inductor L2 and the third inductor L3 are respectively: 0.292nH, 0.292nH and 1.083nH;
[0028] The capacitance variation range of the first varactor diode C1 and the second varactor diode C2 is: 568.7fF—764.4fF;
[0029] The width-to-length ratios of the first MOS transistor M1 and the second MOS transistor M2 are both (96 / 0.18) μm / μm;
[0030] The width-to-length ratios of the third MOS transistor M3 and the fourth MOS transistor M4 are both (960 / 0.18) μm / μm;
[0031] The width-to-length ratio of the fifth MOS transistor M5 is (1000 / 1) μm / μm;
[0032] The voltage at the + terminal of the voltage source is 1.25V;
[0033] The bias voltage at the Vbias terminal is 0V;
[0034] The control voltage range of Ctrl terminal is 0-1.25V; ...
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