![](/html/YOUDA/172444/page4.png)
YOUDA INTEGRATED CIRCUIT
#1: Rf (pin6) controls the gain of power amplifier
Rf (pin6) value
180Ω
Gain of power amplifier
42dB
#2: S1----S6 apply at play estate
200Ω
40 dB
OUTLINE DRAWING
YD7738
220Ω
38 dB
WuXi YouDa Electronics Co., Ltd
4 of 4
Website: www.e-youda.com