BTC Z22 Bedienungsanleitung PDF herunterladen (Seite 36)

Version 02.00, November 2014

36 Rohde & Schwarz R&S

®

BTC Broadcast Test Center

Standard M/N (R&S

®

BTC-K595 option)

Standard M/N

in line with country-specific standard

Vision modulation

modulation

M/N

group delay

precorrection

FCC – M/N (can be switched off)

frequency response

< 20 ns (with/without vestigial sideband

filtering)

vestigial sideband

filtering

M, N, can be switched off

amplitude frequency response

< 0.5 dB (–0.6 MHz to +4 MHz)

(with/without vestigial sideband filtering)

residual carrier

0 % to 30 %, settable in 0.1 % steps

S/N ratio

video

> 60 dB, weighted

Sound modulation

mode

stereo Korea, dual sound Korea, BTSC

modulation of sound carriers 1, 2

modulation mode

FM

frequency deviation

25 kHz (settable)

preemphasis

50 µs/75 µs (can be switched off)

vision/sound carrier frequency spacing

4.5 MHz/4.742 MHz (settable)

vision/sound carrier level spacing

13 dB/20 dB (settable)

pilot

in sound carrier 2 (can be switched off)

S/N ratio

sound

> 60 dB, weighted (CCIR)

Video signals

internal video generator

see “Video signal generator”

Audio signals

internal audio generator

see “Audio signal generator”

audio player

see “Audio player”

BTSC player

see “BTSC player”

Standard L (R&S

®

BTC-K595 option)

Standard L

in line with country-specific standard

Vision modulation

modulation

L/L’

group delay

precorrection

TDF – L (can be switched off)

frequency response

< 20 ns (with/without vestigial sideband

filtering)

vestigial sideband

filtering

L, L NICAM, can be switched off

amplitude frequency response

< 0.5 dB (–1 MHz to +5.8 MHz)

(with/without vestigial sideband filtering)

residual carrier

0 % to 30 %, settable in 0.1 % steps

Sound modulation

mode

AM mono, mono/NICAM, NICAM

modulation of sound carrier 1

modulation mode

NICAM

vision/sound carrier frequency spacing

5.85 MHz (settable)

vision/sound carrier level spacing

27 dB (settable)

modulation of sound carrier 2

modulation mode

AM

frequency deviation

54 % modulation depth (settable)

vision/sound carrier frequency spacing

6.5 MHz (settable)

vision/sound carrier level spacing

10 dB (settable)

Video signals

internal video generator

see “Video signal generator”

Audio signals

internal audio generator

see “Audio signal generator”

audio player

see “Audio player”

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 63 64

Kommentare zu diesen Handbüchern

Keine Kommentare