OTPN-3850-SA 3.85GHz Wideband FTTH PON Receiver
The Olson Technology Inc. Model OTPN-3850-SA provides 50-3,850 MHz bandwidth, allowing it to carry CATV signals from 50-870 MHz along with two stacked 950-2,150MHz L-Band signals. The L-Band signals are usually at a level below the CATV signals The optical input contains downstream forward path CATV and L-Band signals at 1550nm, downstream Ethernet data at 1490nm and upstream Ethernet data at 1310nm. The optical output passes the 1310nm and 1490nm signals. The 1550nm wavelength goes to a photodiode and is amplified. The optical input level is sensed to trigger an optical alarm if the input light level is below -10dBm. The input optical level is also used to control a PIN diode attenuator maintaining constant RF level as the optical input level varies from dBm to dBm The signal is then amplified and output to a single F connector output.
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