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Cbt-b41 audio generator/analyzer option, Packet timing measurement, Guard time measurement – Atec R-S-CBT_CBT32 User Manual

Page 8: Speech codec, Af generator, Af analyzer

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Version 06.00, April 2009

8

Rohde & Schwarz R&S

®

CBT/R&S

®

CBT32 Bluetooth

®

Tester

in manual mode

100 Hz

Frequency resolution (DPSK)

in remote control mode

1 Hz

Packet timing measurement

Range

±20 µs

Resolution

0.25

µs

Uncertainty

≤ 0.25 µs + resolution

Guard time measurement

Resolution

0.01

µs

Uncertainty

≤ 0.05 µs

Speech codec

Speech decoder output

SPEECH CODEC OUT

BNC connector

Output impedance

< 10

Maximum output current

20 mA, peak

Full range output level

1 V, peak

Speech coder input

SPEECH CODEC IN

BNC connector

Input impedance

100 k

high voltage range

1.4 V, peak

Full range input level

low voltage range

0.1 V, peak

R&S

®

CBT-B41 audio generator/analyzer option

AF generator

Output impedance

<

4

Maximum output current

20 mA, peak

AF sinewave generator

AF 1 OUT, AF 2 OUT

BNC connector

Frequency range

20 Hz to 20 kHz

Frequency uncertainty

same as time base + half resolution,
see base unit specifications

Frequency resolution

0.1 Hz

Output level range

10 µV to 5 V

at level < 10 mV

10 µV

Output level resolution

at level

≥ 10 mV

0.1 %

Output level uncertainty

at level

≥ 1 mV and frequency ≤ 10 kHz

≤ 1.5 % + resolution

THD+N

2

at

level

≥ 100 mV into load ≥ 600 Ω

≤ 0.05 %

AF analyzer

Input impedance

1

M

Ω || 100 pF

AF voltmeter

AF 1 IN, AF 2 IN

BNC connector

Frequency range

50 Hz to 20 kHz

Level range

50 µV to 30 V

at level < 1 mV

1 µV

Level resolution

at level

≥ 1 mV

0.1 %

at 1 mV

≤ level ≤ 2 V

< 1.5 % + resolution

Level uncertainty

at 2 V < level

≤ 20 V

< 2.0 % + resolution

2

Measurement bandwidth 21.9 kHz.