Pico Macom PLM860SAW Manuale utente

PLM860SAW

The PLM860SAW modulator features a digital phase-locked loop (PLL) and saw

filter for superior adjacent channel performance and drift-free channel stability.

This professional grade modulator maintains a full 55dBmV output on channels

23 to 135 while accommodating HRC and IRC offset frequencies (216-860

MHz).The PLM860SAW is a very cost effective method to expand an existing

cable system beyond 300MHz.The PLM860SAW was designed to extend

channel capacity of systems using PCM55, PLM55, or PCM55SAW modulators.

Its SAW filter provides superior sideband filtering, adjacent channel compatibility,

and spurious free output. High quality modulation and RF level control poten-

tiometers assure years of reliable operation. Easy lab retuning enables inventory

savings and less down time.The PLM860SAW is shipped with all internal

adjustments preset. FCC Docket 21006 offsets are standard. Pico Macom

backs up this product with its industry leading 5-year limited warranty.

PLM860SAW

860MHz

Channelized-Agile

PLL SAW Filtered A/V Modulator

113-Channel Range

216-860 MHz (CATV 23-135)

DIP switch controlled digital

phase-locked loop for solid drift-

free output on any channel

SAW filtered for superior adja-

cent channel performance

enables drop-in channel

expansion

55dBmV output for optimum

carrier-to-noise performance

In-band carrier-to-noise

ratio >62 dB provides superior

picture quality

Front panel test point for easy

RF level system monitoring

IRC and HRC offset available for

frequency settings in systems

using offset channels

Auxiliary AC outlet for

convenience

Optional PAL format channels

available

860MHz Channelized-Agile PLL SAW Filtered A/V Modulator

www.picomacom.com

Headend & Electronics

355 Parkside Drive San Fernando, CA 91340

Ph: 818-493-4300 Toll Free: 800-421-6511 Fax: 818-493-4433

A-9

Rev. 12/02

PLM860SAW

Channels: 113 Channels

(CATV 23-135)

Frequency Range: 216 - 860 MHz

Output Impedance: 75 ohms

RF Output Level: 45 to 55 dBmV typical,

adjustable from front panel

Frequency Accuracy/Stability: ±10 kHz, ±5 kHz in

aeronautical band.

Conforms to FCC Docket 21006

Spurious Output: >-60 dB below video carrier

with A/V ratio @-15 dB

Audio/Video Ratio: Adjustable -7 to -18 dB

Audio Input Level: 0.5 V p-p for 25 kHz

Product Specifications

860MHz

Channelized-Agile

PLL SAW Filtered A/V Modulator

peak deviation

Preemphasis: 75 microseconds

Flatness: 1.5 dB maximum

50 Hz to 15 kHz

AUDIO VIDEO MODULATOR

PLM860SAW TEST

POINT R.F.

OUTPUT AUDIO

MODULATION AURAL

LEVEL ADJUST LEVEL ADJUST

VIDEO

MODULATION

-30 dB

CH-

VIDEO IN AUDIO IN

RF OUT 120VAC

60Hz 10W

600W MAX

Front View

Rear View

PLM860SAW – Channel Specify CATV or UHF

Audio

Video

General

Ordering Information

Video Input Level: 1.0 V p-p minimum for

87.5% modulation

Input Type: Composite video negative sync

Visual: C/N>62 dB @ 4 MHz BW

Frequency Response: ±1.5 dB 30Hz to 4.2 MHz

Differential Gain: <5%

Differential Phase: <5°

Hum And Noise: -60 dB @ 87.5% modulation

Phase Noise: -100 dBc/Hz

Meets FCC group delay predistortion correction requirement for

color transmission.

Power Input: 108-125 VAC 60 Hz 20 W

Operation Temperature: -10°C to 50°C

Dimensions: 19˝(L) x 3˝(D) x 13/4˝(H)

Weight: 3.9 lbs.

Connectors: All “F” type

www.picomacom.com

A-10

Rev. 12/02 355 Parkside Drive San Fernando, CA 91340

Ph: 818-493-4300 Toll Free: 800-421-6511 Fax: 818-493-4433

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