The Rohde & Schwarz EFA33 is a TV test receiver and demodulator engineered for precision reception and analysis of analog and digital television signals across cable networks, transmitter stations, and development laboratories. It demodulates vestigial sideband AM signals (analog TV) and quadrature amplitude modulated DVB signals with comprehensive transmission parameter measurement capabilities.
– Technical Specifications
Signal Reception and Demodulation
• Vestigial sideband AM (analog TV signals)
• Quadrature amplitude modulated DVB signals
• RF input: 45 MHz to 1000 MHz
• IF input: 38.9 MHz
Analog TV Standards
• Standard B/G
• Standard D/K or I (with option EFA-B3)
Digital TV Standards
• DVB-C (with option EFA-B3)
Interfaces
• IEC/IEEE-bus
• RS-232-C
– Key Features
• Modular design with retrofitting capability for optional modules
• Seven alarm-triggered relays for external device switching
• Alarm messaging system with internal storage for alarms and measurement functions
• User-friendly operation and straightforward configuration
– Available Options
• EFA-B3: RF preselection and multistandard digital demodulator
• EFA-B30: Multistandard digital demodulator
• EFA-B11, EFA-B13, EFA-B30: SAW filters (2 MHz, 6 MHz, 7 MHz, 8 MHz)
• EFA-B4: MPEG2 analyzer/decoder
• CAL: Calibration service
– Compatibility & Integration
The EFA33 integrates with Rohde & Schwarz test and measurement instruments via standard interfaces, enabling automated testing and data acquisition workflows across distributed measurement systems.
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