NHM–7
Troubleshooting Instructions
PAMS Technical Documentation
Page 33
Issue 1 10/2001
Nokia Corporation
Receiver
”RX_I” and ” RX_Q”
– Local mode, continuous mode, ”FEG ON
+46 dB”
– RF amplitude to antenna –102 dBm
– RF generator frequency 67,71 kHz above
assigned RF channel freq
900 LNA out
1800 LNA out
– RF–level at antenna port eg. –50 dBm
– RX continuous mode (local mode)
– difference between AGC –settings
”FEG on” and ”FEG off”
roughly 25 dB (using 250 ohm
passive RF–probe)
– RF–level at antenna port eg. –50 dBm
– RX continuous mode (local mode)
– difference between AGC –settings
”FEG on” and ”FEG off”
roughly 30 dB (using 250 ohm passive
RF–probe)
900 LNA Vcc
1800 LNA Vcc
– RX continuous mode (local mode)
– 2,6 V DC voltage ”FEG ON”
– 0 V DC voltage ”FEG OFF”
– RX continuous mode (local mode)
– 2,6 V DC voltage ”FEG ON”
– 0 V DC voltage ”FEG OFF”
900 LNA bias
1800 LNA gs
– RX continuous mode (local mode)
– 2,6 V DC voltage ”FEG ON” and ”FEG
OFF”
– RX continuous mode (local mode)
– 2,6 V DC voltage ”FEG OFF”
– 0 V DC voltage ”FEG ON”
900 mod out
1800 mod out
– TX on local mode
– example power measured with 1 kOhm
passive RF–probe –22 dBm
– TX on local mode
– example power measured with 1 kOhm
passive RF–probe –20 dBm
Summary of Contents for NHM-7 series
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