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The Aeroflex IFR 2944B Wireless Communications Service Monitor comes with a full performance spectrum analyzer. The standard TCXO allows results to be made reliably within a minute of switch on. Where even better stability is required, an optional OCXO is available. Stored settings may be recalled from internal memory allowing fast and straightforward setup. The spectrum analyzer provides spans from 100 Hz per division to full span and has a fully adjustable reference level. With the tracking generator provided as standard, duplexers and filters can be aligned quickly and easily. An offset facility provides testing of equipment with frequency translation. The Aeroflex 2944B will measure the power of low level signals such as those encountered when monitoring off-air signals or those found when probing a circuit. 150 W measurement is provided without the need for external attenuators, so high power base stations can be measured directly. Measurement accuracy of better than 10% is guaranteed all the way down to 5 mW on the N-Type connector. The signal generator provides coverage from 400 kHz to 1.05 GHz with +5 dBm output (+7 dBm overrange) and fast switching speed. Level accuracy is ±2 dB at all levels above -127 dBm. Full duplex operation is provided by the 2944B allowing testing of duplex radios as well as simultaneous testing of repeater transmit and receive paths. Full featured audio analysis tools include; audio bar charts, audio voltmeter, audio S/N meter, audio distortion meter and audio frequency meter. The oscilloscope can either be combined with the measurement screen in the Tx, Rx or AF test modes or ‘zoomed’ to a full screen display. Options. OPT1 - 600 ohm Matching Unit. OPT3 - High Stability OCXO. OPT4 - Parallel Interface. OPT5 - GPIB Interface. OPT8 - SSB Demodulator. OPT23 - CCITT Filter. OPT24 - CMESS Filter. OPT27 - Look and Listen Addition to Spectrum Analyzer. OPT30 - Bail Arm and Front Panel Stowage Cover. OPT32 - Internal Battery.
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