Copyright © 2002 BLUEBIRD LTD.
All rights reserved.

HEAD END SYSTEMS
VMMS-> DCP-> DSP3-> MAA-> MSR-> MVA-> MSM-> MTR-> PSCM->

MULTI STANDARD MODULATOR
Model MSM

STANDARD BUILT-IN FEATURES

  • HIGH STABLE OUTPUT FREQUENCY
  • FREQUENCY AGILE ( 4 TYPES FOR THE FULL BAND ) 47-870 MHz
  • VIDEO GAIN IS SOFTWARE CONT.
  • MODULATOR DEPTH IS SOFTWARE CONTROLLABLE
  • VESTIGIAL SIDEBAND VERSION AVAILABLE
  • WHITE CLIPPING INDICATION BY LED AND BUZZER
  • HIGH LEVEL OUTPUT >90dB/µV
  • RF-LEVEL ADJUSTABLE 80-100 dB/µV
  • HIGH S/N RATIO > 60dB
  • LOW COST DOUBLE SIDEBAND OUTPUT
  • MICROPROCESSOR CONTROLLED
  • STEREO SOUND OPTION
  • NICAM INPUT

The TGN Multi Standard Modulator MSM converts almost every video and audio signal into an rf-signal. The MSM contains two PLL circuits for both Video and Audio. All Video and Audio parameters are software controllable.

Specifications

VIDEO INPUT

1 Vpp (+3/-1dB) 75 ohm

AUDIO INPUT

0,5 V / 600 ohm

MODULATION DEEP

90% (adjustable -10%/+5%)

PRE EMPHASIS VIDEO

PAL / NTSC

PICTURE TO SOUND CARRIER RATIO

-8 -14 dB adjustable

SOUND CARRIER FREQUENCY

4,5;  5,5;  6,0;  6,5  MHz

SOUND DISTORTION

< 0,3%

SOUND S+N/N

> 56 dB

VIDEO S+N/N

> 58 dB

NICAM INPUT

< 0,3 V

TV STANDARD

L;  M;  DK;  B/G;  J

DIFF. GAIN

< 2%

DIFF. PHASE

< 1%

VIDEO FREQUENCY RESPONSE

+/- 1 dB 50 Hz - 5 MHz

FREQUENCY RANGE   TYPE 1

47-88 MHz

FREQUENCY RANGE   TYPE 2

150-300 MHz

FREQUENCY RANGE   TYPE 3

300-500 MHz

FREQUENCY RANGE   TYPE 4

470-870 MHz

FREQUENCY RANGE   TYPE 5

38,9 MHz
designed by: bluebirddesign