fm如何测试

zyw

fm需要测试什么参数？
如何测试fm的灵敏度？

matthews_liu

需要用到一台FM信号产生器来产生1KHz的sine wave signal.

zhuanhong

FM Radio test in nokia mass product:
Connect RF generator(E4406) to FM antenna pad(HS-ear) ,direct connect to pwb;
Set FM radio on(command phone);
Set RF gengrator to send FM modulation signal.Modulating signal=1KHz;
Set MM(2315) ready for meas THD;
Measure detected signal(1KHz) distortion with MM;
If the resultin in limits?
Measure detected signal (1KHz) distortion whith MM;
Stop FM radio in phone and return distortion.
(Use GPIB to control the equipment )

[br]<p align=right><font color=red>+3 RD币</font></p>

yoyoaiqin

如果你有用NXP的芯片的话，你可以去NXP有个实验室，有这个设备可以测试