产品详细信息
The solution of 3.6V 2W walkie-talkie

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 PA port is 34dBm, the output power of antenna port is 2W and the total current of two stage is less than 1.5A in this application. The HTU7G06S0P5P and HTL7G06S009P two-stage cascaded power amplifier solution of Huatai is used, and the test data is as follows:

Test condition: VDD=3.6V, Driver Stage IDQ=50mA, Terminal Stage IDQ=200mA, Test at PA port.

Freq(MHz)

Pin(dBm)Pout(dBm)Gain(dB)Eff(%)Ids(A)
   400 1234.3722.3750.571.46
1334.421.450.691.47
1434.4220.4250.771.47
1534.4419.4450.851.48
   4201234.4722.4752.61.44
1334.5121.5152.551.45
1434.5320.5352.521.46
1534.5519.5552.481.47
   4401234.3822.3852.121.42
1334.4621.4651.751.46
1434.5120.5151.251.49
1534.5419.5450.791.51


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