The Marconi IFR Aeroflex 1200S is a microprocessor-controlled radio communication test set delivering integrated signal generation, reception, and analysis across 250 kHz to 1 GHz. This portable unit combines RF signal generation, triple-conversion receiver, spectrum analyzer, and oscilloscope functionality in a single instrument optimized for field maintenance and laboratory troubleshooting of analog radio systems. Its battery-powered design and compact rugged construction enable deployment across diverse RF bands without sacrificing measurement capability.
– Technical Specifications
Frequency Coverage
• Signal Generator: 250 kHz to 999.9999 MHz or 250 kHz to 1 GHz
• Receiver: 100 kHz to 1 GHz or 250 kHz to 999.9999 MHz
• Frequency Resolution: 100 Hz
• Duplex Generator Offset: 0 to ±49.9975 MHz or 0 to 50 MHz from receive frequency
• Signal Generator Offset: Up to 49.99 MHz in 10 kHz steps
Signal Generator
• Output Level: −127 dBm to −20 dBm
• Output Resolution: 10 dB steps with 11 dB vernier
• Modulation Modes: AM, FM, SSB
• Internal Modulation: Audio function generator, external sources, voice modulation
Receiver
• Sensitivity: 2 µV (triple conversion)
• Coverage: Low band, VHF, UHF, high band with AM, FM, and SSB carrier monitoring
• Duplex Modes: Separate transmit/receive ports, common port operation, off-the-air duplex testing
Measurement Instruments
• Spectrum Analyzer: Up to 1 GHz with dynamic range
• Oscilloscope: 1 MHz bandwidth
• RF Power Meter: Fully protected to 150 Watts
• SINAD and Distortion Meters
• Frequency Error Meter: 1 Hz resolution
• CTCSS Frequency and Modulation Analysis
Signal Generation Features
• Duplex Offset: 2.5 kHz steps
• Tone Sequence Generation, DTMF pulse (IMTS), variable tone pulse dialing
• DCS encode/decode capability
– Key Features
• Vacuum fluorescent display with analog meter
• Sixteen preset storage per function via nonvolatile memory
• RS-232 remote operation interface
• Microphone input with speech limiting and internal preamplifier
• Rechargeable battery for portable field use
– Typical Applications
AM/FM/SSB transceiver and repeater testing, citizen’s band radio maintenance, FM two-way radio service, analog cellular systems, SSB, paging, and mobile radio commissioning.
– Compatibility & Integration
Supports DCS, DTMF, MTS, IMTS, and pulsed audio signaling formats across duplex and simplex configurations.
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