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Modulator CATV E8600

FEATURES

Totaly Microprocessor Controlled with Self-Diagnostic Monitoring

Selectable Output video modulation depth

Selectable Output deviation of the sound subcarrier

Selectable Output Channels

Standard Cable Channels 1 through 57 (47 MHz-866.25 Mhz)

Aditional Channels 1 trough 43

Automatic +/-12.5KHz or +/- 25.0 FCC Offset

SAW Filtered IF Designed for Adjacent Channel Operation

+113 dB µV Output Using Low-Distortion Hybrid Amplifiers

Non-Volatile Channel Selection

Synthesized Oscillators Crystal Referenced Phase Locked

Bar Graph Modulation and LCD Construction

Front Panel Selects Standard or HRC Output

Surface Mount Technology Construction

Phase Lock Loop FM Audio

Sound Carrier Level Adjustable 12 dB to 20 dB

Video Delay Predestortion Network Meets FCC 73.687

Non-Volatyle Memory Retains Channel After Power Loss

SPECIFICATION
RF
Output Frequency	47-866.25 MHz
Output Level	+113 dBµV
Output Range	20 dB
A/V Ratio	Audio carrier -20 to 13 dB
Broadband Noise	-60 dB typical
Frequency Stability	±3kH
Output Impedance	75 ohm
Audio Carrier Frequency	4.5/5.5/6.0/6.5 MHz Adjustable
Broadband Noise	-60 dB typical
Output Reject Loss	16 dB min
Video modulation Depth	87,5 % type
In-Chanel C/N	65 db typical
VIDEO
Input Level for 87,5%	1p-p manual gain adjustment
Differential Gain Loss	than
Differential Phase	Less than
L/C Delay	Within 45 nsec
Frequency Response	20 Hz to 6.0 MHz
Modulation Range	72,5 90%
Video IF Output Frequency	38 MHz
Audio IF	31,5 MHz
Input Impedance	75 ohm, return loss 26 dB minimum
AUDIO
Input Level	0,4 Vpp for 25 kHz Peak
Deviation	-10 to +40 dB manual gain adjustment and front panel
Pre-Emphasis	50m Sec
Input Impedance	600 ohms unbalanced
Audio IF	31.5 mHz

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