Double-frequency continuous wave Doppler radar circuit structure for inhibiting direct-current bias
A technology of DC bias and circuit structure, applied in measuring devices, radio wave measurement systems, radio wave reflection/re-radiation, etc., can solve problems such as wasting signal sources, and achieve the effect of improving utilization and accuracy
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[0040] In the present invention, the models of the components and parts used in the present invention are described as follows. No. 1 local oscillator LO1 and No. 2 local oscillator LO2 all adopt the LTC6948IUFD of Analog Devices Company, and utilize this local oscillator to produce two frequencies of 1.67GHz and 2.06GHz; No. 1 power divider Power Divider1, No. 2 power divider Power Divider2, No. 3 power divider Power Divider3, and No. 4 power divider Power Divider4 all use Anaren's PD0922J5050S2HF; 1.67GHz No. 2 band-pass filter BPF2 and No. 3 band-pass filter BPF3 adopts TriQuint's TQQ7303; 2.06GHz No. 1 band-pass filter BPF1 and No. 4 band-pass filter BPF4 both adopt TriQuint's 856738; 390MHz No. 5 band-pass filter BPF5 and No. 6 band-pass filter BPF6 Both use Qualcomm's B39391B5047Z810; No. 1 low-noise amplifier LNA1 and No. 2 low-noise amplifier LNA2 both use Analog Devices' HMC618ALP3ETR; No. 1 mixer Mixer1 and No. 2 mixer Mixer 2 both use Analog Devices' LT5575EUF; Anal...
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