Tx Output Spectrum - Nokia 3155 Rf Description And Troubleshooting

3155/3155i (RM-41), 3152 (RM-61)
RF Description and Troubleshooting

Tx Output Spectrum

Following is the correct output of the mobile terminal on a spectrum analyzer with
100MHz span. Note that if you are using the AAS-10 probe with the mobile terminal
connected to the call box, the amplitude should be approximately -7dBm at the antenna
test point on the top of the PWB.
Following is an example of incorrect output.
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Figure 15: Correct output spectrum
Figure 16: Incorrect output spectrum
©2005 Nokia Corporation
Company Confidential ISSUE 1 07/2005