Marconi IFR Aeroflex FM/AM-1000S Avionics Communication/Spectrum Analyzer

The Marconi IFR Aeroflex FM/AM-1000S is a portable communications service monitor that integrates spectrum analyzer, communication analyzer, signal generator, and oscilloscope functions into a single platform. Engineered for avionics maintenance, repair, and overhaul (MRO) operations, it delivers multimode signal analysis and generation across CW, AM, FM, and SSB modulations. The unit combines receiver monitoring, RF signal generation, spectral analysis, and real-time waveform capture in a rugged field-deployable package weighing 40 lbs with all-metal construction and thermostatically controlled cooling.

Technical Specifications

• Receiver/Monitor: 300 kHz to 999.9999 MHz, 100 Hz resolution, 2 µV sensitivity (10 dB SINAD typical), frequency accuracy ±0.00005%


• RF Signal Generator: 100 Hz to 999.9999 MHz (100 Hz steps), output –130 dBm to –33 dBm, frequency accuracy 5 × 10⁻⁷ (±0.00005%), power accuracy ±2.5 dB to 400 MHz; ±3.0 dB above 400 MHz


• Spectrum Analyzer: 70 dB dynamic range (–30 dBm to –100 dBm), 30 kHz resolution bandwidth, variable span ±0.5 MHz to ±5 MHz


• Oscilloscope: DC to 1 MHz vertical bandwidth, sweep rates from 10 ms to 10 µs per division


• Audio Generator: 10.0 Hz to 9999.9 Hz variable tone, 1 kHz fixed tone


• Power Monitor: 1 MHz to 1 GHz, 0–10 W and 0–100 W ranges, ±10% accuracy (1–600 MHz), ±20% reading + 3% full scale (600 MHz–1 GHz), 20 W continuous / 100 W for 10 seconds maximum input

Key Features

• Dual power: 110/230 VAC 50–400 Hz (80 W) or 11–28 VDC (4.3 A @ 12 V; 1.85 A @ 28 V)


• Internal battery: 1 hour operation (scope off) or 40 minutes (scope on) with automatic recharging


• Dimensions: 12.5" × 8" × 18.5"; 40 lbs all-metal construction


• TRANS/RCVR connector for transmitter output measurement with duty-cycle limiting (10 seconds maximum at 100 W, 60 seconds minimum OFF time)


• Antenna connector for over-the-air testing only

Typical Applications Avionics communication system alignment, troubleshooting, and validation. Signal monitoring, transmitter output verification, modulation analysis, and spectral characterization in maintenance environments.