Abstract
It briefly introduced Mixer Receiver IC TQ5135 with the microcontroller function, internal structure, pin array and typical apply circuit. is a highly integrated, low-cost Mixer Receiver transmitter.the TQ5135 is a single IF output low-band CDMA receiver. ombined with a logic, LNA,LO Buffier, IF AMP,active bias,and Mixer.IF’s in the range of 85 to 200Hz can be use.Is ideally suited for-cellular band worldwide mobile phone.
Key word: LNA LO cellular CDMA
Mixer Receiver bias