Maxon Electronics Australia Pty. Ltd. MM-5500SU 사용자 설명서
FCC Documentation
MM-5500SU CDMA 1X/EVDO Modem
8/8
Confidential and proprietary information.
This document is the sole and exclusive property of Maxon Australia.
Not to be distributed or divulged without prior written agreement.
This document is the sole and exclusive property of Maxon Australia.
Not to be distributed or divulged without prior written agreement.
3.5.1 Transmitter
specifications
Table 4. Transmitter performances
Type of Multiplexing
Frequency-Division Duplex
Frequency Range
824.64MHz ~ 849.37MHz
Channel Number
20CH
Bandwidth 1.23MHz
Occupied Bandwidth
Under 1.32MHz
Type of Oscillation
PLL Synthesizer & VCTCXO(19.2MHz)
VCO Output Frequency Range
( divide-by-2 frequency range)
1372.08MHz ~ 1421.54MHz
(686.04MHz ~ 710.77MHz)
Intermediate Center Frequency
138.6MHz
Modulation Method
OQPSK
RF Maximum Output Power
0.28W (24.5dBm/1.23MHz)
Frequency Stability(Accuracy)
Under defined freq. +/- 300Hz
Waveform Quality
Over 0.944
Conducted Spurious Emission
Over carrier +/-900KHz, -42dBc/30KHz
Over carrier +/-1980KHz, -54dBc/30KHz
Common RF Impedance
50ohm
Supplied voltage
+3.75V DC @ Power Amp.
+2.85V DC @ TX block