Specifications

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Section 1: Headend Equipment
Processors
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1 - 29
Heterodyne Channel Processor
• Low cost NTSC channel processor.
• Synthesized input tuning of Off-Air TV channels 2 - 69, standard CATV channels 2 - 125, and IRC, HRC channels
1 - 125, set by a front panel push wheel switch
• Synthesized RF output on CATV channels 2 - 78 and 95 - 99, set by a front panel pushwheel switch
• Selectable plus or minus output frequency offsets with front panel pushwheel switch
• Dual Saw filter IF allows adjacent channel operation in a crowded CATV environment
• IF loop-thru connections for scrambling encoders or IF stereo processors
• High output power adjustable to +60 dBmV
The R. L. Drake HCP1550 is a high quality, frequency agile channel processor capable of converting any VHF, UHF,
or CATV input signal to any standard output channel between 54 and 550 MHz. Input and output frequency, including
output frequency offset, are easily set with front panel push wheel switches. A/V ratio and output level controls are
also provided along with IF loop-thru connections to offer exceptional flexibility.
Ordering Information
• Heterdyne Channel Processor .............................. HCP1550
Frequency Agile Processors
The HP-40 and HP-60 frequency agile processors have been designed to convert any off-air or cable channel input to
any cable channel 2–78. All channel conversions are performed using simple front panel buttons and a large LED
display indicating input and output channels. Frequency control is accomplished by a microprocessor controlled,
PLL synthesized tuning circuit to assure accurate, stable operation. The HP-40 and HP-60 both use SAW filtered
conversions to assure high out-of-band rejection, as well as a high reliability CATV hybrid output amplifier (HP-60) for
low distortion and high output performance.
• 50 & 60 dBmV Output Models
• Precise Signal Regulation
• Easy-to-Read Front Panel LED Channel Display
• BTSC Stereo Compatible
• Switching Power Supply (Operates From 90 to 260VAC)
• Dual SAW Filtering
• Adjacent Channel Performance
Ordering Information
• HP-40
• HP-60
• HP-40-860
• HP-60-860
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