Promax GV-698+ Manuel D'utilisation page 52

External modulation
DUAL, STEREO ZWEITON
nd
2 sound carrier
Frequency
Tolerance
Video/Audio V/A
Sound modulation
Modulation type
Pre-emphasis
Internal modulation
Deviation
External modulation
Subcarrier
Pilot frequency
Tolerance
Modulation
Modulation index
Identification frequency
Information combination
B / G / D / K Systems
M System
DIGITAL SOUND (NICAM)
Sound carrier
Frequency
Tolerance
Video / Audio (V/A)
Modulation
Modes
Internal modulation
Internal codification
Bit-rate
Page 8
Colour pattern generator GV-698+
0.5 Vpp produce the same deviation as the
internal modulation.
Commutable ON/OFF and synchronized with the
line frequency.
4.724212 MHz. M System
5.74218 MHz. B, G Systems
6.2578125 MHz. D, K Systems
<25 ppm
22 dB. M System
20 dB. B, G Systems
24 dB. D, K Systems
Internal or external
FM
50 μs. B / G / D / K Systems
75 μs. M System
3 kHz ± 10 %, sinusoidal
30 kHz ± 2 kHz. B, G, D, K Systems
15 kHz ± 5 kHz. M System
0.5 Vpp produce the same deviation as the
internal modulation.
54.6875 kHz. B / G / D / K Systems
55.069924 kHz. M System
<25 ppm
AM
50% ±5%
274.12 Hz DUAL B / G / D / K Systems
276.03 Hz DUAL M System
117.48 Hz ESTEREO B / G / D / K Systems
149.85 Hz ESTEREO M System
Carrier 1: L+R, Carrier 2: 2xR
Carrier 1: L+R, Carrier 2: L-R
ON/OFF and DUAL/STEREO selectable.
5.850 MHz in B / G / L systems
6.552 MHz in I system
< 25 ppm
20 dB in B / G / I systems
27 dB in L system
4QPSK
DUAL and STEREO
1 kHz and 3 kHz
10 bits/sample. 32 samples/block
728 kbits/s
07/2018