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The IFR FM/AM-1000S Communications Service Monitor is a highly accurate, versatile, portable unit which may be used to monitor, align, and troubleshoot CW, AM, FM and SSB Communications equipment. The unit features a quadruple-conversion digitally-synthesized superheterodyne receiver and a dual-conversion digitally-synthesized low-power rf signal generator. The unit also contains a variable-frequency tone generator and a fixed-frequency tone generator, spectrum analyzer, multimeter, an oscilloscope and a rf wattmeter. Used as a receiver, the FM/AM-1000S permits the technician to monitor and measure the characteristics of CW, AM, FM and SSB signals from 300.0 kHz to 999.9999 MHz. The receiver frequency is specified as accurate to within .00005% of the selected frequency. Specifications. RF Signal Generator Frequency Range: 100 Hz to 999.9999 MHz in 100-Hz steps. Frequency Accuracy: 5 x 10^-7 (±0.00005%). RF Output Power: -130 dBm to -33 dBm (100 Hz-999.9999 MHz). RF Output Power Accuracy: -110 to –35 dBm ±2.5 dB to 400 MHz, ±3.0 dB above 400 MHz. Oscilloscope Vertical Bandwidth: DC to 1 MHz (at 3-dB bandwidth) ac or dc inputs. Horizontal Sweep Rate: 10 ms, 1 ms, 100 µs, 10 µs per division. Spectrum Analyzer Dynamic Range: 70 dB (–30 dBm to –100 dBm). Bandwidth Resolution: 30 kHz. Audio Generator Frequency Range: 10.0 Hz to 9999.9 Hz (Variable Tone), 1 kHz (Fixed Tone). Receiver/Monitor Frequency Range: 300 kHz to 999.9999 MHz. Resolution: 100 Hz. 10 dB Sinad Sensitivity: 2 µV (typical). Power Monitor Frequency Range: 1 MHz to 1 GHz. Power Ranges: 0 to 10 and 0 to 100 watts. Accuracy 1 to 600 MHz: ±10%. Accuracy 600 MHz to 1 GHz: ±20% of reading plus 3% of full scale. Input Power: 20 watts continuous; 100 watts for 10 seconds.
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