PCM55
Channels:
31 Channels
(CAVT T8-T11, 2-22, 95-99)
FCC Docket 21006 offsets,
HRC & IRC offsets
Frequency Range:
11.75 - 216 MHz
Output Level:
45 to 55 dBmV
Output Impedance:
75 ohms
Audio/Video Ratio:
Adjustable -7 to -18dB
below video carrier
Frequency Stability:
±5 kHz in aeronautical band
Conforms to FCC Docket 21006
Spurious Output:
60dB below video carrier
with A/V ratio @ -15 dB
Input Level:
1.0 V p-p min for 87.5% mod.
Input Type:
Clamped video neg. sync
Visual C/N:
60 dB @ 4 MHz BW
Frequency Response:
±1.5 dB (30 Hz to 4.2 MHz)
Hum and Noise:
-60 dB @ 87.5% modulation
Meets FCC group delay predistortion correction requirement for
color transmission.
Power Input:
108 to 125 VAC 60 Hz 20W
Operating Temperature:
-10°C to 50°C
Dimensions:
19˝(L) x 3˝(D) x 1
3
/
4
˝(H)
Weight:
3.8 lbs.
Connectors:
“F” Type
Baseband Input Impedance:
600 ohms unbalanced
Baseband Input Level:
0.5 V p-p for 25 kHz peak dev.
Pre emphasis:
75 microsecond
Flatness:
1.5 dB (50 Hz to 15 kHz)
RF
Video
Audio
General
Product Specifications
216MHz Single Channel Crystal Controlled A/V Modulator
AUDIO VIDEO MODULATOR
PCM55
TEST
POINT
R.F.
OUTPUT
AUDIO
MODULATION
AURAL
LEVEL
ADJUST
LEVEL
ADJUST
VIDEO
MODULATION
-30 dB
CH-
VIDEO IN
120VAC
60Hz 10W
600W MAX
AUDIO IN
RF OUT
Front View
Rear View
Ordering Information
PCM55 –
Channel
www.picomacom.com
A-4
Rev. 12/02
355 Parkside Drive San Fernando, CA 91340
Ph: 818-493-4300 Toll Free: 800-421-6511 Fax: 818-493-4433
Specifications Subject to Change
© Copyright 2003 Pico Macom, Inc.
