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
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
Ω
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
Ω
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
Ω
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.