The Rohde & Schwarz EFA TV Test Receiver is a modular, professional-grade instrument for testing and analyzing analog and digital television signals across multiple standards. It delivers real-time signal analysis with precise measurement of signal quality, modulation performance, and bit error rates, making it essential for broadcast engineers, system integrators, and R&D laboratories engaged in transmitter deployment, acceptance testing, and coverage validation.
Technical Specifications
RF Input & Frequency Coverage
• Frequency range: 4.5 MHz to 1000 MHz (expandable to 2500 MHz with spectrum analysis option)
• Selective receiver input: 50 Ω N-female and 75 Ω BNC-female connectors
• Return loss: ≥17 dB (>20 dB typical) at 50 Ω; ≥14 dB (>17 dB typical) at 75 Ω
• Non-selective input: 50 Ω N-female, ≥30 dB return loss, –50 dBm to +20 dBm level range
• Image and IF rejection: 100 dB each
Measurement Parameters
• Signal-to-noise ratio (SNR)
• Modulation Error Ratio (MER)
• Bit Error Rate (BER)
• Constellation analysis for digitally modulated signals
• MER of individual OFDM carriers
• Enhanced service information extraction (NID, PID, SID, service names and profiles)
Supported Standards
Analog TV: Vestigial Sideband AM (M/N, B/G, D/K, I standards); Digital TV: DVB-T, ATSC/8VSB, ITU-T J.83/B, DVB signals (QAM)
Decoding & Analysis
• MPEG-2 and MPEG-4 video decoding (with optional EFA-B4 decoder)
• SDTV MPEG-2 analyzer capability
• Analog TV videoscope with channel impulse response measurement
• Built-in spectrum analyzer with zoom function, simultaneous full-spectrum and single-channel display
– Key Features
• Modular architecture enables retrofitting of measurement options
• IEC/IEEE-bus and RS-232-C interfaces for remote operation
• Fast analysis of digitally modulated signals with real-time processing
• Dual RF input connectors accommodate both 50 Ω and 75 Ω cable systems
– Typical Applications
• Cable network signal verification
• TV transmitter station acceptance testing
• Modulator and transmitter development and production
• Transmitter installation and commissioning
• Cable headend acceptance testing
• Coverage and propagation measurements
• Reference receiver for R&D environments
– Compatibility & Integration
The instrument integrates into automated test systems via IEC/IEEE-bus and RS-232-C connections. Optional RF preselection (EFA-B3) and video distribution (EFA-B6) modules expand measurement flexibility for specialized applications.
