pmm
Micro TV Channel Modulator
PMM*
Specifications
Input Level:
Video
0.9Vp-p min for 87.5% modulation
Audio
0.25Vp-p for 25KHz peak deviation
Description
Video
75 Ohm, F connector
Audio
10K Ohm, RCA Jack
Video S/N
-60 dB Minimum (weighted)
Input Level Range:
0.75Vp-p - 1.5Vp-p
Differential Phase:
<5º
Differential Gain:
<5%
Pre-Emphasis
75 µ sec
Flatness:
1.5 dB, 50Hz - 15Hz
PMM* is a professional quality channelized heterodyne audio/video
Output Channel:
modulator with SAW filter for adjacent channel capability. The PLL
Cable:
Ch. 2 - Ch. 92
oscillator with microprocessor can control the output frequency to
UHF:
Ch. 14 - Ch. 69
meet FCC required accuracy and off-setting.
Output Level:
41 dBmV min. with 20dB
HEADEND
Input Impedance:
level control
Features
Output Impedance:
75 Ohm
• Die cast housing
Operating Temperature:
-10ºC to 50ºC
• SAW filter for superior vestigial side band response
Power:
12VDC, 5V
• Microprocessor controlled frequency setting meet all FCC
accuracy and off setting requirement
• Upgrade to stereo with an optional stereo
Rack Unit Dimensions
encoder card (PMM-SEC)
• Channel can be reset within its band resetting dip switch
2U Modular insert in Rack Mount Chassis PRC12
and output filter only.
• Pre-emphasis defeat switch accessible from side panel for
the insertion of composite BTSC stereo signal
• Channels 2-92, listed on the front and rear
• 41 dBmV output
• 3 year limited warranty
HE - 110
www.pacemso.com
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