The Rohde & Schwarz EFA is a high-precision TV Test Receiver and Demodulator designed for analysis, monitoring, and measurements of analog and digital television signals, including DVB-T, DVB-C, ATSC, and analog television standards.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), RS-232 (9-pin D-Sub), Centronics (parallel printer port), External Keyboard (PS/2) |
| Display | 6.4" color TFT LCD (640 × 480 VGA resolution) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 47 Hz to 63 Hz, power consumption approx. 120 VA |
| Operating Temperature | +5 °C to +45 °C |
| Dimensions (W×H×D) | 435 mm × 177 mm × 460 mm |
| Weight | approx. 12 kg to 16 kg (model dependent) |
| Form Factor | 19-inch rackmount compatible, 4 HU |
RF Input
| Parameter | Value |
|---|---|
| Frequency Range | 4.5 MHz to 1000 MHz |
| RF Input Impedance | 75 Ω (BNC female) or 50 Ω (N-type female) (model and option dependent) |
| Input Level Range (Analog TV) | 30 dBµV to 100 dBµV |
| Input Level Range (Digital TV) | 35 dBµV to 100 dBµV |
| Maximum RF Input Level | 120 dBµV |
| RF Attenuator Range | 0 dB to 60 dB (in 10 dB steps) |
Demodulation & Signal Quality
| Parameter | Value |
|---|---|
| Supported Standards | Analog TV (B/G, D/K, I, M/N, L), DVB-T, DVB-C, ATSC / 8VSB (model dependent) |
| Demodulator Channel Bandwidth | 6 MHz / 7 MHz / 8 MHz (standard dependent) |
Intermediate Frequency
| Parameter | Value |
|---|---|
| IF Frequency | 38.9 MHz (analog TV standard) / 36 MHz / 44 MHz (configuration dependent) |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
Frequency
| Parameter | Value |
|---|---|
| Tuning Resolution | 1 kHz |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Reference Input | 10 MHz (BNC female) |
| Video Output Connector | BNC female, 75 Ω |
| Audio Output Connectors | 3-pin XLR (balanced, Sound 1 and Sound 2) |
| IF Output Connector | BNC female, 75 Ω |
Video Output
| Parameter | Value |
|---|---|
| Video Output Level | 1 Vpp |
Audio Output
| Parameter | Value |
|---|---|
| Audio Output Level | +6 dBm (into 600 Ω) |
Power
| Parameter | Value |
|---|---|
| Power Consumption | 70 VA to 110 VA (configuration dependent) |
Reference Frequency
| Parameter | Value |
|---|---|
| External Reference Input Frequency | 10 MHz |
| External Reference Input Level | 0.1 V to 5 V (rms) |
| Reference Output Frequency | 10 MHz |
RF Input Performance
| Parameter | Value |
|---|---|
| RF Input Return Loss | ≥ 30 dB (48 MHz to 300 MHz, RF attenuation ≥ 10 dB), ≥ 26 dB (300 MHz to 860 MHz, RF attenuation ≥ 10 dB) |
| Image Rejection | > 70 dB (typical) |
| IF Rejection | > 80 dB (typical) |
Remote Control
| Parameter | Value |
|---|---|
| Command Set | SCPI |
Compliance & Safety
| Parameter | Value |
|---|---|
| Electromagnetic Compatibility (EMC) | Complies with EN 50081-1, EN 50082-2, EN 55011 Class B |
| Electrical Safety | Complies with EN 61010-1 |
Technology
TV Demodulation & Broadcast Test Receiver
Applications
Broadcast monitoring, transmitter testing, and signal analysis