Atec R-S-CBT_CBT32 - Manual (Page 7)

Version 06.00, April 2009
Rohde & Schwarz R&S ® CBT/R&S ® CBT32 Bluetooth ® Tester 7
Dynamic range filter bandwidth → wide > 55 dB, rms
RF level measurement repeatability typical values after 1 h warm-up time at
constant ambient temperature < 0.03 dB
Modulation analyzer
Measurement bandwidth filter definition: passband
filter bandwidth → wide 2.0 MHz
filter bandwidth → narrow 1.3 MHz
Level range
RF IN/OUT
GFSK signal from full-scale setting down to –25 dB
Level range
RF IN/OUT
DPSK signal from full-scale setting down to –25 dB
Bluetooth ® menu
frequency offset < maximum deviation
–250 kHz to +250 kHz Total measurement range for frequency
offset and frequency deviation (GFSK)
Bluetooth ® LE menu
frequency offset < maximum deviation
–350 kHz to +350 kHz
Nominal measurement range for DPSK
signals filter bandwidth → wide –75 kHz to +75 kHz
Bluetooth ® menu
for deviation ≤ 160 kHz
≤ 2 kHz Frequency offset uncertainty in
preamble (GFSK)
Bluetooth ® LE menu
for deviation ≤ 250 kHz
≤ 2 kHz
Frequency stability uncertainty (DPSK) for ω
i
≤ 75 kHz, for deviation ≤ 160 kHz ≤ 2 kHz
for modulation index 0.22 to 0.42
filter bandwidth
narrow
≤ 1.3 % Frequency deviation uncertainty in
payload (GFSK)
Bluetooth ® LE menu
for extended modulation index 0.42 to 0.60
filter bandwidth
narrow
≤ 1.3 %
PRBS pattern
in temperature range +20 °C to +35 °C
DEVM ≤ 3 %, rms
Frequency deviation uncertainty in
payload (DPSK)
DEVM ≤ 8 %, peak
measured in burst related to frequency
offset in preamble Uncertainty of frequency drift
measurement (GFSK)
10101010 pattern ≤ 2 kHz
referenced to frequency offset value in
preamble Relative frequency drift uncertainty
(GFSK)
10101010 pattern ≤ 1 kHz
Frequency drift uncertainty (DPSK) for ω
o
≤ 10 kHz ≤ 1 kHz
in manual mode 1 kHz Frequency resolution (GFSK)
in remote control mode 1 Hz