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Specifications

Universal-Chassis Agile A/V Mini-Modulator

www.picomacom.com

Ph:800-421-6511

Channels:

135 Channels

Frequency Range:

54-860 MHz 
(CATV Ch. 2-135)

Output Impedance:

75 Ohms

RF Output Level: 

45 dBmV, adjustable from front 
panel (min.)

Output Return Loss: 

-15 dB

Audio/Video Ratio: 

Adjustable -7 to -22 dB below 
video 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):

>65 dB

C/N (Out-Of-Band):

>90 dB

Fv+6 MHz (Upper Adj. Rejection):

>-60 dBc

Fv-1.5 MHz (Lower Adj. Rejection):

>-60 dBc

I.F. Frequency:

Video

45.75 MHz

Audio

41.25 MHz

RF

Video Input Level:

1 V p-p minimum 
for 87.5% modulation

Video Input Type:

Clamped video negative sync

Video 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:

<50 nsec, standard or FCC 

predistortion option

Video

Hum And Noise:

-60 dB @ 87.5% modulation

Audio Baseband Input Impedance:

600 Ohms

Audio Baseband Input Level:

0.5 V p-p for 25 kHz 
peak deviation

Preemphasis:

75 microsecond

Flatness Audio:

1.5 dB (50 Hz to 15 kHz)

Audio

General

Dimensions:

1˝(W) x 8˝(D) x 3.45˝(H)

Weight:

0.8 lbs.

Power Input:

5 VDC, 12 VDC @ .25A

Operating Temperature:

-10° C to 50° C

Connectors:     Video In/RF Out

“F” type

Audio In

RCA

AUDIO

VIDEO

CH

A/V

RATIO

RF

LOCK
UNLOCK

CA

ANT

TV

PCMA860-HQ

Содержание PCMA860-HQ

Страница 1: ...Installation and Operation Manual PCMA860 HQ Universal Chassis Agile A V Mini Modulator DAWNco 3340 S Lapeer Rd Orion MI 48359 1320 Ph 248 391 9200 Fax 248 391 9207 sales DAWNco com...

Страница 2: ...l and the like 8 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to a child or adult and serious damage to the appli...

Страница 3: ...d If the product does not operate normally by following the oper ating instruction Adjust only those controls that are covered by the operating instructions An improper adjustment may result in damage...

Страница 4: ...or adjacent channel selectivity The unit s PLL circuitry in conjunction with the non volatile memory contained in the microprocessor ensures easy and reliable channel selection and restoration The mod...

Страница 5: ...F Frequency Video 45 75 MHz Audio 41 25 MHz RF Video Input Level 1 V p p minimum for 87 5 modulation Video Input Type Clamped video negative sync Video Frequency Response 0 8 dB 30 Hz to 4 2 MHz Diffe...

Страница 6: ...o higher number 7 Channel Select Push this button to change channel to lower number 8 Channel Lock Control Switch is used to prevent accidental change of channel 9 Channel Display Indicates selected c...

Страница 7: ...amplifier must be at the same amplitude Installation Procedure Use a small plastic screwdriver to make required selection of switches and buttons 1 If module is to be used in an HRC or IRC CATV frequ...

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