The Marconi IFR Aeroflex 1100S is a digitally synthesized radio communication test set combining signal generation, reception, and analysis in a single solid-state instrument. It delivers AM, FM, and SSB modulation support with integrated spectrum analysis, power monitoring, and audio generation for comprehensive transmitter and receiver validation across benchtop and field environments.
Technical Specifications
Signal Generation & Reception
• Digitally synthesized AM/FM/SSB receiver and signal generator
• Receiver: 300 kHz to 999.9999 MHz
• Signal generator: 100 Hz to 999.9999 MHz in 100 Hz steps
• Frequency accuracy: 5 × 10⁻⁷ (±0.00005%)
• Output power: −130 dBm to −35 dBm (1 kHz to 1 GHz)
• Power accuracy: −110 dBm to −35 dBm; ±2.5 dB to 400 MHz, ±3.0 dB above 400 MHz
Spectrum Analyzer
• Frequency range: 1 MHz to 1 GHz
• Dynamic range: 70 dB (−30 dBm to −100 dBm)
• Resolution bandwidth: 30 kHz
Oscilloscope
• Vertical bandwidth: DC to 1 MHz (−3 dB)
• Horizontal sweep rates: 10 ms, 1 ms, 0.1 ms, 0.01 ms per division
Power Monitor
• Frequency range: 1 MHz to 1000.00 MHz
• Ranges: 0 to 4 W, 0 to 40 W, 0 to 400 W
• Continuous input: 100 W; maximum: 325 W
• Accuracy (1–600 MHz): ±7% reading + 3% full scale
• Accuracy (600–1000 MHz): ±20% reading + 3% full scale
Audio Generator
• Variable tone: 10.0 Hz to 20 kHz
• Fixed tone: 1 kHz
Receiver/Monitor
• Frequency range: 300 kHz to 999.9999 MHz
• Resolution: 100 Hz
• 10 dB SINAD sensitivity: 2 µV (typical)
– Key Features
• Quadruple conversion receiver architecture
• Solid-state construction with CRT display
• Transmitter frequency error, power, FM deviation, and AM% modulation measurement
• General-purpose VOM for signal distortion and signal-plus-noise distortion analysis
– Typical Applications
• AM/FM/SSB transceiver testing and maintenance
• Transmitter frequency and power validation
• Modulation quality assessment
• Signal spectrum and distortion analysis
– Compatibility & Integration
Supports AM, FM, and SSB transceivers for integrated transmitter and receiver characterization.














