BTC Z22 Manual de usuario descargar pdf (Pagina 17)

Version 02.00, November 2014

Rohde & Schwarz R&S

®

BTC Broadcast Test Center 17

Digital audio/video

Internal test signals

MPEG-2 TS packet

header + 184 byte payload

00 (hex), FF (hex), PRBS (selectable)

PID

NULL (1FFF hex)/variable

MPEG-specific TS packet

sync byte + 187 byte payload

00 (hex), FF (hex), PRBS (selectable)

DIRECTV TS packet

header + 127 byte payload

PRBS (DIRECTV only)

DIRECTV-specific TS packet

130 byte payload

PRBS (DIRECTV only)

PRBS

PRBS in line with ITU-T O.151

2

23

– 1/2

15

– 1 (selectable)

Digital audio/video interfaces

TS serial interface

TS serial input

mode (selectable)

ASI, SMPTE 310M, ETI (only with

R&S

®

BTC-B1 or R&S

®

BTC-B2 option)

connector

BNC female, front and rear

input impedance

75 Ω

measured values

packet length, data rate, useful data rate

ASI

input level

200 mV to 880 mV

data rate

270 Mbit/s

mode

packet or continuous

stuffing

on/off (settable)

stuffing packets

see MPEG-2 TS packet under “Internal

test signals”

SMPTE 310M

input level

400 mV to 880 mV

data rate

19.392658 Mbit/s

stuffing

on/off (settable)

stuffing packets

see MPEG-2 TS packet under “Internal

test signals”

ETI

(only with R&S

®

BTC-B1 or R&S

®

BTC-B2

option)

ETI input level

0 V to ±2.37 V (ITU-T G.703/G.704)

ETI data rate

2048 kbit/s

coding

HDB3

TS serial output

(only with R&S

®

BTC-B1 or R&S

®

BTC-B2 option)

mode

ASI, SMPTE 310M, ETI (selectable)

connector

BNC female, rear

output impedance

75 Ω

ASI

output level

800 mV

data rate

270 Mbit/s

mode

packet or continuous

SMPTE 310M

output level

800 mV

data rate

19.392658 Mbit/s

ETI

in line with ETI NI,

ETI NA5592, ETI NA5376

output level

0 V to ±2.37 V (ITU-T G.703/G.704)

output impedance

75 Ω

data rate

2048 kbit/s

coding

HDB3

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 63 64

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