Digital Link | GL75P
Global Foxcom’s Sat Light Gold GL75P is a fiber optic digital link for timing, sync, and data transport up to 30 MHz, designed as an alternative to long coax distribution.
Features & Benefits
- Supports 1PPS time signals and other sync or data signals
- TTL input and output into 50 ohm
- Input and output connector type BNC 50
- Adjustable link gain from minus 10 dB to plus 1 dB
- Jitter performance 2 ns
- Optical wavelength 1550 nm
- Optical connector type FC APC
- Optical budget 4 dB with transmission distance up to 10 km
- Compatible with first generation Sat Light 7000 Series platform
Basic Details
GL75P is built around a high dynamic range DFB laser and ultra fast processing to support low delay timing and data distribution over fiber. It is specified for digital and 1PPS signal transport and is supplied as a transmitter and receiver pair for point to point deployment in Sat Light Gold systems.
Basic Details
| RF Specification | Value |
| Frequency Range – Bandwidth | DC-30MHz |
| Amplitude Response @ Unity Gain | more than or equal to 2dB |
| Noise Figure | 20-23 dB |
| Output IP3 (OIP3) | +20-+30dBm |
| Input Signal Range – Total Power | 0-5V |
| RF Output Signal Range – Total Power | 0-5V |
| Optical Specifications | |
| Optical Budget / Distance | 1550 nm |
What is included in the link set?
The link consists of a GL7E T optical transmitter and a GL7030R optical receiver.
What input voltage range is supported for power?
Supply voltage is 13 VDC typical, with an operating range from 12.7 to 18 VDC.
What is the maximum input level without damage?
Maximum input without damage is 15 V.
What optical output power should be expected?
Optical power output is 3 dBm typical, with a minimum of 1 dBm and a maximum of 4 dBm.
What are the typical supply currents for transmitter and receiver?
Supply current is 0.4 A for the transmitter and 0.3 A for the receiver.
What operating temperature range is specified?
Operating temperature range is minus 10 C to plus 55 C.