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The 7706LT is a fiber optic transmitter for RF signals in the extended L-Band or wider frequency range. It accepts a single RF input on coaxial cable and provides a single output for optical transmission. An RF monitor output provides a convenient means of obtaining peak satellite signal strength, or additional signal distribution.
Gain may be adjusted manually or managed automatically via AGC. 13/17V DC adjustable LNB power with 22kHz tone is also provided.
特点
- Extended frequency response for extended L-Band and other signals
- Protocol independent design - transports all modulation formats
- LNB power with selectable 13/17V DC
- LNB current limit & short circuit protection
- 22kHz tone on/off for LNB local oscillator control
- RF monitor output for signal peaking and signal distribution
- Manual gain and AGC modes for tuning optimal CNR performance
- Fiber link provides electrical isolation between antenna and facility, mitigating ground loop and lightning issues
- The 7706LT 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.
指标|
RF Input | |
|---|---|
| 输入数量 | 1 |
| 端口数目 | BNC per IEC 61169-8 Annex A (F-Type and SMA Optional) |
| Input Impedance | 75Ω (50Ω Optional) |
| Frequency Range | 850MHz-3000MHz |
| 反射损失 | |
| 850MHz - 2.3GHz | > 14dB |
| 2.3GHz - 3GHz | > 12dB |
| Input Power Range | -10dBm to -60dBm |
| AGC Gain Range | -10 to +30dB, adjustable |
| IMD | < -55dBc at -15dBm input and 0dB gain |
| Input IP3 | +10dBm |
| LNB Power | |
| 电压 | 13V DC, 18V DC, off (selectable) |
| Current | 400mA |
| Protection | Short Circuit, current limited |
| LO Control | 22kHz on/off (selectable) |
RF Monitor Output | |
|---|---|
| 输出数量 | 1 |
| 端口数目 | BNC per IEC 61169-8 Annex A (F-Type and SMA Optional) |
| Output Impedance | 75Ω (50Ω Optional) |
| 反射损失 | > 15dB |
| Frequency Range | 850MHz to 3000MHz |
| Output Level | Within -2.0dB of input signal |
光输出 | |
|---|---|
| 输出数量 | 1 |
| 端口数目 | Female FC/UPC, ST/UPC, FC/UPC, SC/APC, FC/APC |
| Operating Wavelength | 1310nm DFB |
| Output Power | +2dBm |
RF System Performance7706LT13+7706LRA pair | |
|---|---|
| 频率响应 | |
| 950MHz - 2150MHz | ±1.5dB |
| 850MHz - 3GHz | ±2dB |
| 36MHz BW to 2.3GHz | ±0.25dB |
电气 | |
|---|---|
| 电压 | +12V DC |
| 功率 | 6 watts max, excluding LNB Power |
物理参数 | |
|---|---|
| Number of slots | 1 |
标准 | |
|---|---|
| Laser safety | Class 1 laser product Complies with 24 CFR 1040.10 and 1040.11 IEC 60825-1 |
| EMI/RFI | Complies with FCC Part 15, Class A EU EMC directive |
订购信息|
| 7706LT13 | Wideband RF Fiber Transmitter, 1310nm DFB laser |
|---|---|
| 7706LT13‑B50 | Wideband RF Fiber Transmitter, 1310nm DFB laser, 50Ω BNC Connectors |
| 7706LT13‑S50 | Wideband RF Fiber Transmitter, 1310nm DFB laser, 50Ω SMA Connectors |
订购可选项 | |
|---|---|
| 注意 | • 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 |
| +ST | ST/PC |
| +FC | FC/PC |
| +AP+SC | SC/APC (Angle Polished) |
| +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 |