Fiber Optic
Series
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PICO MACOM
Fiber Optic
Series
The PFT offer both manual RF gain control (MGC) and automatic RF gain control (AGC) modes. Users are alerted
to the mode which has been selected by two LEDs that indicate either AGC mode or MGC mode is active. For
most RF signals, users may select AGC mode to control variations in the RF signal over time and maintain consis-
tent modulation of the RF signal onto the optical carrier. This is the recommended mode. A RF level LED alerts
the user when the RF signal level may be excessively low, too low for the AGC to maintain consistent operation.
For situations where the RF signal is low level or low power (low number of channels in the RF signal), the MGC
mode allows you to set the gain as needed in your system.
The PFT transmitter includes an autoranging power supply and may be installed in 120 or 240 VAC systems by
purchasing an appropriate power cord at the local PC computer shop if the supplied cord is not appropriate.
Operation is simple and, once set-up within the constraints of your application, the PFT will continued to operate
unattended. The PFT will return to your set operating condition after power outages and brown-outs.
This manual details the unit specifications, describes any issues that may be critical to your installation, discusses
the operation, and, finally, outlines actions if you have problems with the unit. If you read and follow the instal-
lation and operation chapters, the PFT should provide you years of simple, reliable operation
2. Features
• Wide bandwidth, 54~860MHz, high-performance single-mode 1310nm optical fiber transmitter
• Supports analog and QAM digital applications
• Wide range laser options, from 6dBm to 14dBm (4mW to 26mW), for multiple broadband
applications
• Optical power monitoring of input RF, and laser status
• RS232 port
• Manual or automatic gain controls RF input level
• Automatic gain controlled input allows unit to maintain the same optical output with varying
inputs without distortion
• Input voltage between 90-260Vac, unit can be used for NTSC and PAL systems
• Front panel RF test port -20dB
• Low power consumption
