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The solution of 3.6V 3W walkie-talkie

HTU7G06S005Pis a star product in the field of mobile radio, and has a very wide range of applications.

The following describes a commercial handheld interphone application of a famous brand in China. The lithium battery voltage is 3.6V, the working frequency is 400-440MHz, the output power of antenna port is 3W and the total current of two stage is less than 2A in this application. The HTU7G06S0P5P and HTU7G06S005P two-stage cascaded power amplifier solution of Huatai is used, and the test data is as follows:

Test condition: VDD=3.6V, The total quiescent current of driver and terminal stage is 550mA, Test at antenna port.

Freq(MHz)Pin(dBm)Pout(dBm)Eff(%)Ids(A)
400-1535.450.161.92
400-1535.3554.071.76
400-1535.2350.181.84


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