The IFR/Marconi FM/AM-1000A Communications Service Monitor is an integrated test instrument for servicing and maintenance of FM and AM communication systems. It combines signal generation, frequency measurement, modulation analysis, and spectrum monitoring in a single platform. Engineers use it to characterize transceivers, repeaters, and transmitters across both field and laboratory environments.
Technical Specifications
-# Signal Generator
• Frequency Range: 10 kHz to 1000 MHz
• Output Level: −127 dBm to +13 dBm
• Output Impedance: 50 Ω
• Frequency Resolution: 1 Hz
• Frequency Accuracy: ±1 ppm
• AM Modulation Depth: 0% to 99%
• FM Deviation: 0 kHz to 99 kHz
-# Frequency Counter
• Range: 10 Hz to 1000 MHz
• Resolution: 1 Hz
• Accuracy: ±1 ppm
-# Modulation Meter
• AM Measurement Range: 0% to 99%
• FM Measurement Range: 0 kHz to 99 kHz
• Accuracy: ±2% of reading
-# Spectrum Analyzer
• Frequency Range: 10 kHz to 1000 MHz
• Span: 10 kHz to 1000 MHz
• Resolution Bandwidth: 30 Hz to 3 MHz
• Video Bandwidth: 1 Hz to 1 MHz
• Dynamic Range: 70 dB
-# General Specifications
• Power: 100–240 VAC, 50/60 Hz
• Dimensions: 450 mm × 180 mm × 380 mm (17.7″ × 7.1″ × 15.0″)
• Weight: 18 kg (40 lbs)
– Key Features
Rugged metal chassis with high-resolution LCD display and front-panel tactile controls. Dual BNC connectors for RF input/output and antenna port. External modulation input via BNC connector. Service port (DB9) supports firmware updates and diagnostics. 1 Hz frequency resolution and 1 ppm accuracy across all measurement modes.
– Typical Applications
Two-way radio service and alignment, LMR system maintenance, amateur radio transceiver testing, public safety radio commissioning, broadcast transmitter verification, and aviation communication equipment evaluation within the 10 kHz–1000 MHz band.
– Compatibility & Integration
Designed for two-way radios, Land Mobile Radio systems, amateur transceivers, public safety radio networks, AM/FM broadcast transmitters, and aviation communication equipment operating within its frequency range.
