Nokia7210 6610测试波形图

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200mV/div 1

100us/div

200mV/div

100us/div

VPCTRL _900 power level high at R703/C703 VPCTRL_1800/1900 power level high at R704/C704B

TX I/Q at R516/517 power level high Random data

1 500mV/div 100us/div 500mV/div 100us/div

VANT_1 / GSM900 TX at C804 VANT_2 / GSM1800 TX at R808 VANT_3 / GSM1900 TX at C805 OV ( no signal/ Flatline on Oscilloscope screen)

VANT_1,VANT_2,VANT_3

500mV/div 100us/div

500mV/div

MTB 100us/div

VTXB_900 at C713 VTXB_1800_1900 at C714

7;3 DW -

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G S MP O W REF 4 1 . 0 1 0 d B/ d Bm ATT 4 0 T u e Se p 2 5 1 3 : 4 8 : 5 9 2 0 0 1 dB A_ wr i t e B_ b l a n k

REF OF S 11. 0 dB

RBW 10 0 VBW 10 0 S WP 2. 0

k Hz k Hz s CENT ER 8 9 7. 4 0 0 M