Patent ID: 11909361
Assignee: NANJING MILLIWAY MICROELECTRONICS TECHNOLOGY CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The broadband logarithmic detector with high dynamic range of claim 3, wherein the circuit structure of the compensate detection unit includes a seventeenth transistor M17 and an eighteenth transistor M18, the base of the seventeenth transistor M17 and the base of the eighteenth transistor M18 both serve as the input of the compensate detection unit, the phase of the base input signal for the seventeenth transistor M17 is different from the phase of the base input signal for the eighteenth transistor M18 by 180 degrees, the emitter of the seventeenth transistor M17 is grounded through a sixth current source Ib6, the emitter of the eighteenth transistor M18 is grounded through an eighth current source Ib8, the collector of the seventeenth transistor M17 is connected respectively to the emitter of the eleventh transistor M11, the base of the eleventh transistor M11, the collector of the twelfth transistor M12 and the collector of the eighteenth transistor M18, the collector of the eleventh transistor M11, the emitter of the twelfth transistor M12, the emitter of the thirteenth transistor M13, the emitter of the fourteenth transistor M14, the collector of the ninth transistor M9 and the collector of the tenth transistor M10 are all input with a second supply voltage VCC2, the base of the eleventh transistor M11 is further connected to the base of the ninth transistor M9, the base of the twelfth transistor M12 is connected respectively to the base of the thirteenth transistor M13, the collector of the thirteenth transistor M13, the base of the fourteenth transistor M14, the collector of the fourteenth transistor M14, the collector of the fifteenth transistor M15 and the collector of the sixteenth transistor M16, the base of the fifteenth transistor M15 is connected to the base of the sixteenth transistor M16, the emitter of the fifteenth transistor M15 is connected to the emitter of the sixteenth transistor M16, the emitter of the fifteenth transistor M15 is also grounded through a seventh current source Ib7, the emitter of the ninth transistor M9 is connected to one end of the third resistor R3, the other end of the third resistor R3 is connected respectively to the collector of the nineteenth transistor M19 and the base of the tenth transistor M10, the emitter of the nineteenth transistor M19 is grounded through a fourth resistor R4, the base of the nineteenth transistor M19 is connected respectively to the emitter of the tenth transistor M10 and the base of the twentieth transistor M20, the base of the nineteenth transistor M19 is also grounded through a ninth current source Ib9, the emitter of the twentieth transistor M20 is grounded through a fifth resistor R5, the collector of the twentieth transistor M20 is connected to one end of a tenth current source Ib10, and the other end of the tenth current source Ib10 serves as the output of the compensate detection unit.