Motorola L7082, Руководство по обслуживанию

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L7082 / L7089
2.1 Specifications of L7082 / L7089
General
Function
Specification
Frequency Range GSM
Frequency Range DCS
Frequency Range PCS
880-915 MHz TX (with EGSM)
925-960 MHz RX
1710-1785 MHz Tx
1805-1880 MHz Rx
1850.2 – 1909.8 MHz Tx
1930.2 – 1989.8 MHz Rx
Channel Spacing 200 kHz
Channels 174 GSM/374 DCS carriers with 8 channels per carrier
Modulation GMSK at BT = 0.3
Transmitter Phase Accuracy 5 Degrees RMS, 20 Degrees peak
Duplex Spacing 45 MHz GSM 95MHz DCS 80MHz PCS
Frequency Stability + 0.10 ppm of the downlink frequency (Rx)
Operating Voltage Full Rate PSU = 4.4V +/- 5%
(During Charging = VBatt +/-5% 6.63V
Mid Rate Charger = 5.9V +/- 0.3V
CLA Supply = 4.4V
Battery Operating Voltage = 2.85V(Radio Shut Down voltage)
To 4.2V Max
Transmit Current Typically 250 ma avg, 1.0A peak
Stand-by Current Typically 7.0 ma (DRX2)
Dimensions 130mm x 46mm x 24.5mm
Size (Volume) 105cc with Batt
Weight 106g with Batt
Temperature Range -10C to +55C
Transmitter
Function Specification
RF Power Output 33 dBm + 2dB GSM/ 30 dBm + 2 dB DCS
Output Impedance 50 ohms (nominal)
Spurious Emissions -36 dBm from 0.1 to 1 Ghz
-30 dBm from 1 to 4 Ghz
Receiver
Function Specification
RF Level -102 dBm
RX bit error rate (100 k bits) < 2%
Channel Hop Time 500 microseconds
Time to Camp Approximately 5-10 seconds
Speech Coding
Function Specification
Speech Coding Type Regular Pulse Excitation / Linear Predictive Coding with Long
Term Prediction. (RPE LPC with LTP).
Bit Rate 13.0 k bps
Frame Duration 20 ms
Block Length 260 bits
Classes Class 1 bits = 182 bits. Class 2 bits = 78 bits
Bit Rate with FEC Encoding 22.8 k bps