ATSC VSB Modulator

ATSC 987

ATSC-987 VSB Modulator

Supports VHF/UHF band of all of the off air applications
Supports major cable plans (FCC, IRC, HRC) for cable applications
Versatile multi Transport Stream input:
- SMPTE310M input
- DVB Parallel input
- DVB Parallel input

IF loop-through
10 Mhz reference clock input
Front panel test output
Easy to use front panel.

ATSC987 Condensed Specifications

Player Functionality
CHANNEL SELECT
tunable to any channel within the selected channel plan.

DATA VALID LIGHT
indicates valid ATSC data stream is being received.

BAND SELECT
(rear panel) allows the user to choose the VHF/UHF channel plan or one of the cable channel plans (FCC, IRC, HRC).

PARALLEL INPUT SELECT
(rear panel) allows the user to select the logic level to match the parallel MPEG transport stream input.

POWER SWITCH
(rear panel) turns unit on and off.

POWER LED
(front panel) indicates power status.

Product Specifications
ATSC Transport Stream output:
Input Source: TTL or LVDS (selectable) or SMPTE310M
Data Bit Rate: 19.392659 MB/sec

RF Modulated output:
Output Frequency: Any channel of the NTSC channel plans (user selectable)
Frequency accuracy: +/- 10 kHz (internal reference)
Modulation type: 8 level VSB trellis for ATSC Terrestrial
Output impedance: 75 ohm
Output power level: Maximum of +65 dbmV (Adjustable down to 45 dbmV)
In-band SNR: 30 dB with equalization

IF (Loop-Through):
Carrier Frequency: 44Mhz (center of channel)
Frequency accuracy: +/-10kHz (internal reference)
Connector type: BNC
Connector impedance: 50 Ohms (unprotected)
Power Level: -10 to -15 dbmv

RF Test Point:
-20dB from RF Output

External Clock Input:
10Meg external reference


For more information call: Sencore Inc.
1-800-Sencore (1-800-736-2673) 3200 Sencore Drive
or 1-605-339-0100 Sioux Falls, SD 57107
Ask for ATSC product group USA


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