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PFAM550
Specifications
5
Rev. 07/03
Ph: 800-421-6511
www.picomacom.com
550MHz Agile A/V Modulator
POWER
550MHz Agile A/V Modulator
PFAM550
VIDEO/
AUDIO
RATIO
AUDIO
OVER
MOD.
AUDIO
MOD.
VIDEO
MOD.
CHANNEL
RF LEVEL
TEST POINT
-30dB
VIDEO
OVER
MOD.
RF OUT
IF IN IF OUT VIDEO IN AUDIO IN
AC117V
60Hz/35W
600W MAX
125VAC
0.5A
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD, REPLACE ONLY WITH SAME TYPE 0.5A 125V FUSE
FUSE
Front View
Rear View
Video Channels: 82 channels (2-78 & 95-99)
Frequency Range: 54-550 MHz
Output Level: 45 to 57 dBmV, ± 2 dBmV
(adjustable from front panel)
Output Impedance: 75 ohms
Output Return Loss: -15 dB
Audio/Video Ratio: Adjustable -7 to -22 dB
below visual carrier
Frequency Stability: ±5 kHz in aeronautical band
Conforms to FCC Docket
21006
Spurious Output: -60 dB below video carrier
with A/V ratio @ -15 dB
C/N (In-band): >57 dB
C/N (Out-of-Band): >68 dB
Fv+6 MHz (Upper Adj. Reject): >60 dBc
Fv-1.5 MHz (Lower Adj. Reject): 60 dBc
Input Level: 1.0 V p-p min for 87.5% mod.
Input Type: Clamped video neg. sync
Video S/N: -60 dB minimum (weighted)
Input Level Range: 0.5 V to 1.5 V p-p
Frequency Response: ±0.8 dB 30 Hz to 4.2 MHz
Differential Gain: <5% (10 to 90% APL)
Differential Phase: <5° (10 to 90% APL)
Chrominance luminance delay: *See note below
Hum and Noise: -60 dB @ 87.5 modulation
*NOTE: Meets FCC group delay predistortion requirements for
color transmission.
Power Input: 95 to 130 VAC, 60 Hz or
210-250 VAC, 50 Hz
Operating Temperature: -10° C to + 50° C
Dimensions: 19˝(L) x 9
3
/
8˝(D) x 1
3
/
4˝(H)
Weight: 3.8 lbs.
Connectors: All “F” type
Baseband Input Impedance: 600 ohms unbalanced
Baseband Input Level:
0.5 V p-p for 25 kHz peak dev.
Pre-emphasis: 75 microseconds
Flatness: 1.5 dB max. 50 Hz to 15 kHz
RF
Video
Audio
General
Ordering Information
PFAM550
PFAM550 Manual.qxd 7/29/03 2:11 PM Page 5