VSB twin TV Modulators – MCP 811 Modulator

Part No: 3849

The twin ones integrate two modulators in one module
TV Systems: B/G
Adjacent channel operation
Main features
• Vestigial side band twin modulators.
• The twin ones integrate two modulators in one module.
• IF modulation and SAW filtering for maximum harmonic reduction and true VSB response. Adjacent channel
operation.
• Frequency agility. Any selectable TV channel within the 45-862 MHz band. PLL frequency synthesized.
• Built-in test pattern generator.
• In twin modulators, the two generated TV channels are combined internally to make up one bi-channel output
signal.

Category:

Description

MODEL MCP-801 MCP-811
REF. 3849 3851
TV system B/G/D/K/I/L B/G
Audio system Mono
Input (2x) Video ,, (2x) Audio
Selectable output channel located between: MHz TV Bi-channel each one of the two channels is selectable berween: 45 – 862
Adjustable output level dBμV 68 to 78
Intercarrier frequency Audio 1 MHz 5.5
Adjustable carrier level ratio dB 12/16
Video input level Vpp 0.7 … 1.4
Video input impedance Ω 75
Adjustable video modulation depth % 80 to 90
Audio input level Vpp 0.5 … 4.0
Audio input impedance Ω > 600
Adjustable audio peak deviation kHz ±40 to ±50
Audio pre-emphasis μs 50
Weighted SNR dB > 59
Differential gain % < 3
Differentian phase º < 3
K-factor (2T pulse) % < 3 < 2.5
Spurious in band dBc < -57
Broadband noise (∆B=5 MHz) dBc < -73
Output loop-through loss dB 0.7 (typ) ,, 1.2 (max)
Supply voltage VDC +12
Consumption mA 460
Video connector type (2x) female RCA
Audio connector type (4x) female RCA
Output RF connector type (2x) female F
DC connector type banana socket
Programming interface RS-232 / DB-9
Dimensions mm 230 x 195 x 32

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