Home Other Products Sencore ATSC987 - 1U 8VSB MODULATOR
ATSC987 - 1U 8VSB MODULATOR
The Sencore ATSC987 8-VSB Modulator is a low-cost 1U rack-mounted 8VSB Modulator designed for use in set-top box development, signal distribution, and low-power broadcast applications.

Features

  • Supports VHF/UHF bands for all off air applications to test all tuning range.
  • Supports major cable plans (FCC, IRC, HRC) with level adjustment for cable applications.
  • Versatile multi Transport Stream inputs:
    • SMPTE310M input
    • DVB Parallel input
    • TTL Parallel input
    • Optional ASI input
  • IF loop-through for combining with external upconverter for use in low power transmission
  • 10MHz reference clock input to add stability to the RF
  • Front panel test output

Specifications

Parallel Input
Data Bit Rate: 19.392658 Mbits/sec over LVDS or TTL
   
ATSC Data Stream
Input Source: TTL or LVDS (selectable)
  One 25 pin D Sub Connector
  SMPTE310M
Data Bit Rate: 19.392658 MBits/sec
 
Modulation
Modulation Type: 8 Level VSB Trellis for ATSC Terrestrial
  Broadcast
In Band SNR: 30 dB without equalization
   
IF (Loop Through)
Carrier Frequency: 44 MHz (center of channel)
Frequency Accuracy: +/ 10 kHz (internal reference)
Connector Type: BNC
Connector Impedance 50 ohms (unprotected)
Power Level: -10 to -15 dBmV
   
RF Output:
Output Frequency: Any channel of the NTSC channel plans
  (user selectable)
Channel Plan Selection: VHF/UHF or Cable (FCC, IRC, HRC)
  (user selectable)
Frequency Accuracy: +/ 10kHz with internal clock reference
Output Connector: "F" Connector
Output Impedance: 75 ohms
Output Power Level Maximum of +45 dBmV
  (Adjustable down to 40 dBmV)
RF Test Point: Same specifications as RF Output with level being 20 dB lower
   
External Clock Input
• User may source an external 10 MHz reference to improve the RF Accuracy
 
Dimensions
• 17" x 3.5" x 20"
• 16 lbs.

Downloads

Documents


Sencore product page:

http://www.sencore.com/products/modulators/127

 Please contact Isle Tech for a quotation.