Ascent’s ASR2500 series is a compact fiber satellite and DTT optical receiver suitable for satellite optical network systems. The device receives the CWDM optical transmission signal from AST2500 transmitter, de-multiplexes them and distributes it to the end customer.
• Designed for Satellite Optical Systems
• Wide operating frequency range: 47 MHz to 860 MHz / 950 MHz to 2150 MHz
• Excellent Linearity and flatness
• Single-mode fiber high return loss
• Build-in GaAs amplifier active devices
• Ultralow noise technology
• Build-in CWDM, using high linear PD
• Outputs connected to satellite multiswitch
• Built-in optical AGC function
• Red LED for power indication
• Small size and easy installation
Description | Note | |
Customer Interface | ||
RF Connector | F‑female | |
Optical Connector | SC/APC | |
Power Supply | F‑female | |
Optical Parameter | ||
Optical Return Loss | ≥45 dB | |
Output Optical Wavelength | 1510 nm | LV‑RX |
1530 nm | LH‑RX | |
1550 nm | HV+Terr.‑RX | |
1570 nm | HH‑RX | |
Responsivity | ≥0.9 A/W | |
Optical Fiber Type | Single‑mode fiber | |
Terr.+SAT‑IF Parameter | ||
Input Impedance | 75 Ω | |
Terr. Frequency Range | 47 MHz to 860 MHz | |
Terr. Flatness | ±0.75 dB | |
Terr. Output Level | ≥80 dBµV | AGC |
Terr. Return Loss | ≥14 dB | |
CNR | ≥50 dB | |
CSO | ≥62 dB | |
CTB | ≥65 dB | |
SAT‑IF Frequency Range | 950 MHz to 2150 MHz | |
SAT‑IF Return Loss | ≥10 dB | |
SAT‑IF Flatness | ±1.5 dB | |
SAT‑IF Output Level | 75 dBµV ± 5 dBµV | AGC |
AGC Stability | ±1 dB | |
Other Parameter | ||
Power Supply | 20 VDC | |
Power Consumption | <10 W | |
Dimensions | 195 mm × 128 mm × 40 mm |
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