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The 7706LR is a fiber optic receiver for extended L-Band and other signals. It accepts a fiber optic input from a companion transmitter and provides an electrical output signal. Control of the card is provided locally at the card edge via DIP switches.
The 7706LR occupies one card slot and can be housed in the 1RU 7801FR frame which holds up to four single or two dual slot modules, the 3RU 7800FR frame which has a 15 slot capacity, the portable 3RU 350FR frame which has a 7 slot capacity, or a standalone enclosure which holds a single module.
Features
- Protocol transparent - receives all video, audio and data modulation formats
- Supports manual and automatic (AGC) gain control modes
- Two buffered RF outputs for extra signal distribution or monitoring functions
- RF output independent of optical loss (within AGC range)
- Available with BNC, SMA or F-Type connector options
- Wide range optical input (1270nm to 1610nm)
- Supports single-mode and multi-mode fiber optic cable
- Available with SC/UPC, ST/UPC, FC/UPC, SC/APC and FC/APC connector options
- Fully hot-swappable from front of frame
Specifications
RF Outputs | |
|---|---|
| Number of Outputs | 2 |
| Connector | BNC per IEC 61169-8 Annex A (F-type, SMA Optional) |
| I/O Impedance | 75Ω (50Ω optional) (See Ordering Information) |
| Frequency Range | 120MHz - 3GHz |
| Return Loss | |
| 120MHz - 2.3GHz | > 15dB |
| 2.3MHz - 3GHz | > 12dB |
| Output IP3 | +28dBm |
| IMD | < -55dBc at -3dBm output and 25dB gain |
| Output Signal Level | |
| Manual Gain | -10 to -65dBm (depending on input signal level, gain setting and optical loss) |
| AGC mode | -5 to -35dBm (adjustable, maintainable within available gain range) |
| Available Gain | -10 to +30dB, adjustable |
Optical Input | |
|---|---|
| Number of Inputs | 1 |
| Connector | Female SC/UPC, ST/UPC, FC/UPC, SC/APC, FC/APC |
| Operating Wavelength | 1270nm - 1610nm |
| Max Input Power | +3dBm |
| Optical Sensitivity | -14dBm @ 35dB S/N on a 36MHz carrier |
Electrical | |
|---|---|
| Voltage | +12V DC |
| Power | 6 watts |
| EMI/RFI | Complies with FCC Part 15, Class A EU EMC Directive |
Physical | |
|---|---|
| Number of Slots | 1 |
See System Performance Specifications of the chosen companion transmitter for more details.
Ordering Information
| 7706LR | Wideband RF Fiber Receiver |
|---|---|
| 7706LR‑B50 | Wideband RF Fiber Receiver, 50Ω BNC connectors |
| 7706LR‑S50 | Wideband RF Fiber Receiver, 50Ω SMA connectors |
Ordering Options | |
|---|---|
| Notes | • 75Ω I/O Impedance ships standard |
| • Rear plate and fiber connector must be specified at time of order - eg: [model]+SC+3RU | |
| Connector Suffix | |
|---|---|
| +SC | SC/PC |
| +AP+SC | SC/APC (Angle Polished) |
| +ST | ST/PC |
| +FC | FC/PC |
| +AP+FC | FC/APC (Angle Polished) |
| +F75 | 75Ω F-Type |
| Rear Plate Suffix | |
|---|---|
| +1RU | 1RU rear plate for use with 7701FR Multiframe |
| +SA | Standalone Enclosure Rear Plate |
| +3RU | 3RU rear plate for use with 350FR, 7700FR-C or 7800FR Multiframes |
Enclosures | |
|---|---|
| 350FR | Portable Multiframe which holds 7 single slot modules |
| 7700FR-C | 3RU Multiframe which holds 15 single slot modules |
| 7800FR | 3RU Multiframe which holds 15 single slot modules |
| 7701FR | 1RU Multiframe which holds 3 single slot modules |
| S7701FR | 7700 Series Standalone Enclosure |