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F860 Manual.qxd
11/21/05
10:16 AM
Page 1
F860
Fixed Modulator
Installation and
Operation Manual
Operation
www.picomacom.com
Ph: 800-421-6511
Manual
Rev. 11/05
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Summary of Contents for Pico Macom F860
- Page 1 F860 Manual.qxd 11/21/05 10:16 AM Page 1 F860 Fixed Modulator Installation and Operation Manual Operation www.picomacom.com Ph: 800-421-6511 Manual Rev. 11/05...
- Page 2 The MACOM F860 is a professional re-broadcast grade microprocessor controlled phase-locked loop synthesized single channel audio-video modulator available with an optional BTSC stereo encoder. The F860 provides 60 dBmV minimum output while accommodating HRC and IRC offset frequencies. The optional BTSC encoder enables delivery of high fidelity stereo without the cost of a stand-alone stereo encoder.
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Page 3: Specifications
F860 Manual.qxd 11/21/05 10:17 AM Specifications RF OUTPUT Frequency Range: 54-456 MHz Level: 60 dBmV min Level Adjustment: 20 dB Impedance: 75 ohms Frequency Stability: ±3 kHz Audio/Video Ratio: -10 to -20 dB Adjustable Output Return Loss: -18 dB In Band Spurious:... -
Page 4: Important Safety Instructions
To ensure proper installation and operation, take a moment to read this guide before proceeding with the installation. If you have any questions or comments about the F860 Fixed Modulator, please contact your dealer or have him contact the PICO MACOM Service Center at the phone number on the bottom of the page. - Page 5 19. Audio I.F. Output (41.25 MHz): Sound carrier I.F. to audio scrambling device or sound carrier I.F. input. 20. 4.5 MHz Input: Input for BTSC stereo encoder operation. 21. MPX Out: Used to provide MPX output to additional modulators when internal stereo encoder is present, eliminating need for additional encoders.
- Page 6 The Federal Communications Commission requires that cable system modulators, which operate in the aircraft communications and navigation bands, are offset in frequency by 12.5 kHz. The F860 PLL oscillator is factory set to comply with FCC requirements for frequency accuracy (±5 kHz) in the aeronautical communication and navigation bands.
- Page 7 Signal Combining Methods The output levels of the modulator should be the same as the output of the off-air strip amplifiers. The F860 modulators are usually combined with either the DSP806 channel processors, or XBS series strip amplifiers. Three methods are suggested to combine strip amplifier, modulator and processor outputs.
- Page 8 2. The date of purchase 3. A specific identification of the problem Deliver the products to Pico Macom, Inc. or ship the products in the original packing material to the address below. Include satisfactory evidence of the date of purchase.
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