Receiver Rf Probe Points - Nokia 6275 Rf Description And Troubleshooting

6275/6275i (RM-154)
RF Description and Troubleshooting

Receiver RF Probe Points

7
IFA_in (to RX FE RFIC)
128.1 MHz @ -15 dBm (HG)
128.1 MHz @-32 dBm (LG)
6
IF MIX OUT (from RX FE IC)
128.1MHz @ -20 dBm (HG)
128.1MHz @ -37 dBm (LG)
1
RX UHF LO (from VCO)
Cell: 1009.62MHz @ -8 dBm
PCS: 2088.1MHz @ -14 dBm
Page 28
AMPS IF
crystal filter
CDMA IF
SAW filter
Figure 23: Receiver RF Probe points
Company Confidential
3
Cell CH384 (to RF SAW)
881.52MHz @ -20 dBm (HG)
881.52MHz @ -36 dBm (LG)
Cell RF
SAW filter
RX Front End IC
PCS RF
SAW filter
Issue 1 - September 2006
4
Cell CH384 (from Duplexer)
881.52MHz @ -31 dBm
2
PCS CH600 (from Duplexer)
1960MHz @ -40 dBm
5
PCS CH600 (to RF SAW)
1960MHz @ -30 dBm (HG)
1960MHz @ -45 dBm (LG)