Nokia 6680 RM-36, Руководство по обслуживанию

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Frequency list: 2113.4 MHz, 2141 MHz and 2166.6 MHz
Dwell time: 2 ms
Sweep control: Automatic continuous sweep
Level: –48 dBm + cable and adapter attenuations
Modulation: FM
Deviation: 500 kHz
Modulation frequency: 50 kHz
• Click OK.
• Check that the “Rx chain” , “Low freq.” and “High freq.” values in the Tuning Results window are within the
limits presented in the following table.
Min Typ Max Unit
Rx chain -6 1.5... 3.5 6 dB
Low freq -5 -0.7...4.0 5
High freq -5 -0.7...4.0 5
• If the Rx gain is acceptable, click Yes to save the results to the phone.
• To end the calibration, click Close.
WCDMA transmitter tunings
Tx AGC & power detector (WCDMA)
Context
Tx AGC & power detector tuning has two purposes:
• to enable the phone to select the correct TxC value accurately in order to produce the required RF level
• to enable the phone to measure its own transmitter power accurately
There are two ways to perform the tuning. For an alternative method, see Alternative steps.
Steps
1. From the "Operating mode" dropdown menu, set mode to "Local".
RM-36
RF Troubleshooting and Manual Tuning Guide
Nokia Customer Care
Issue 1 Company Confidential Page 7–49
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