Patent ID: 11876544
Assignee: NANJING CONGJING BIOTECHNOLOGY CO., LTD
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The two-group portable same-frequency or different-frequency control radio frequency circuit according to claim 1, wherein the input end bias circuit (4) comprises a first resistor R1, a third resistor R3, a seventh resistor R7, a sixth capacitor C6, and an eighth capacitor C8; an output end of the first resistor R1 is electrically connected to the seventh resistor R7; one end of the third resistor R3, one end of the sixth capacitor C6, and one end of the eighth capacitor C8 are electrically connected to an output end of the first resistor R1; the other end of the third resistor R3, the other end of the sixth capacitor C6, and the other end of the eighth capacitor C8 are all grounded; and an output end of the seventh resistor R7 is connected to the input end of the input matching inductor (5).