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

Claim 9:
10. The broadband logarithmic detector with high dynamic range of claim 1, further comprising a temperature compensation circuit, the output of the temperature compensation circuit is connected to the current summation and driving unit, the temperature compensation circuit comprises a sixth field effect transistor F6, the gate of the sixth field effect transistor F6 is connected respectively to the gate of a seventh field effect transistor F7, the gate of an eighth field effect transistor F8 and the output of the second operational amplifier OP2, the source of the sixth field effect transistor F6, the source of the seventh field effect transistor F7 and the source of the eighth field effect transistor F8 are all input with a seventh supply voltage VCC7, the drain of the eighth field effect transistor F8 serves as the output of the temperature compensation circuit, the drain of the sixth field effect transistor F6 is connected respectively to the in-phase input of the second operational amplifier OP2, the base of a thirty-sixth transistor M36 and the collector of the thirty-sixth transistor M36, the drain of the seventh field effect transistor F7 is connected respectively to the inverted-phase input of the second operational amplifier OP2 and one end of the eighteenth resistor R18, the other end of the eighteenth resistor R18 is connected respectively to the collector of the thirty-seventh transistor M37 and the base of the thirty-seventh transistor M37, and the emitter of the thirty-sixth transistor M36 and the emitter of the thirty-seventh transistor M37 are both grounded.