background image

PFAM-MT

Series

Channels:

PFAM550MT

82 channels (2-78 & 95-99)

PFAM860MT

135 channels (2-135)

Frequency Range:

54-550 MHz & 54-860Mhz

Output Level:

60 dBmV min., 62 dBmV typ.,
adjustable from front panel

Output Impedance:

75 ohms

Output Return Loss:

15 dB

Audio/Video Ratio:

Adjustable -7 to -22 dB below
video carrier

Frequency Stability:

±5 kHz in aeronautical band

Spurious Output:

-60 dB below video carrier 
with A/V ratio @ -15 dB

C/N (In-Band):

>65 dB

C/N (Out-of-Band):

>70 dB

Fv+6 MHz (Upper Adj. Reject):

>60 dBc

Fv-1.5 MHz (Lower Adj. Reject):

>60 dBc

I.F Frequency:

Video

45.75 MHz

Audio

41.25 MHz

Input Level:

1.0 Vp-p min for 87.5% mod.

Input Type:

Clamped video neg. sync

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

Hum and Noise:

-60 dB @ 87.5% modulation

Video Signal to Noise:

-60 dB minimum (weighted)

Input Level Range:

0.5 V p-p to 1.5 V p-p

*NOTE: Meets FCC group delay predistortion requirements for
color transmission.

Power Input:

120 VAC, 60 Hz, 28 W

Operating Temperature:

-10° C to + 50° C

Dimensions:

19˝(L) x 9˝(D) x 1

3

/

4

˝(H)

Weight:

8.2 lbs.

Connectors:

RF & Video

“F”type

Audio

Terminal strip

Baseband Input Impedance:

600 Ohms unbalanced

Baseband Input Level:

0.5 V p-p for 25 kHz peak dev

Pre-emphasis:

75 microseconds

Flatness:

Left Audio

1.5 dB max. 50 Hz to 15 kHz

Right Audio

1.5 dB max. 50 Hz to 15 kHz

RF

Video

Audio

General

Product Specifications

CATV Microprocessor-Control Agile A/V Modulators

AGILE AUDIO VIDEO MODULATOR

PFAM550MT

OVER

MOD

VIDEO

ADJ

VIDEO

AUDIO

ADJ

OVER

MOD

AUDIO

VIDEO/AUDIO

RATIO

OFFSET

STD

HRC

+25K

+12.5K

CHANNEL

SELECT

-30dB

TEST

POINT

RF

LEVEL

RF

OUTPUT

RF OUT

COMP IF

OUT

VIDEO IF

IN

AUDIO IF

IN

VIDEO IF OUT

AUDIO IF

OUT

4.5MHz

IN

VIDEO

IN

COMP IF

IN

LEFT

AUDIO

RIGHT
AUDIO

GND.

117VAC

60Hz 38W

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

Ordering Information

PFAM550MT

PFAM860MT

www.picomacom.com

A-24

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.

Отзывы: