The HMMA from Holland Electronics is a high quality SAW filtered frequency agile modulator covering 860 MHz and has been designed to meet high CATV performance standards. Low out-of-band noise makes it ideal in adjacent channel head-ends.

Features:

SAW Filtered Modulators

Front Panel Push Button Controls (HMMA/HMDS)

PLL Controlled

Microprocessor Demodulator

Low Out-of-Band Noise

LED Channel Display (HMMA/HMDS)

Stereo Encoders Available

Five Year Warranty

Specifications:

Video Input, RF Output: F Connector

Audio Input: RCA

Power Requirements: 5VDC @ 280mA, 12VDC @ 400mA

Operating Temperature: 0˚ to 50˚ Celsius

Dimensions: 1” x 3.1” x 7.5”

Weight: .75 lb.

RF Specifications:

Output Channels: 2 - 135 CATV (54 - 860 MHz), 14 - 69 UHF (470 - 806 MHz)

FCC Offsets (Where Applicable): ±12.5 kHz, ±25 kHz

Output Level: 30 - 45 dBmV (Adj.)

A/V Ratio: -11 to -18 dB (Adj.)

Frequency Stability: ±5 kHz (Meets FCC Docket 21006)

Aural Carrier Frequency: 4.5 MHz ± 5 kHz

Spurious Outputs: -60 dBc

C/N (In-Band): 60 dB

Out-of-Band Noise: -78 dBc

Output RL: 12 dB

Video Specifications:

Input Level (Min.): .8V p-p (for 87.5% Modulation)

Frequency Response: ±1.5 dB (50 Hz - 4.2 MHz)

Video C/N: 60 dB

Hum/Noise: -60 dB

Modulation Range: 0 - 90%

Input Impedance: 75 ohms

Differential Phase: ±3˚

Differential Gain: ±5%

Group Delay: 75 ns