Atec R-S-CBT_CBT32 - Manual (Page 5)

Version 06.00, April 2009
Rohde & Schwarz R&S ® CBT/R&S ® CBT32 Bluetooth ® Tester 5
Symbol time error uncertainty same as time base
drift is dependent on packet type:
DH1: frequency modulation
with ±25 kHz deviation and 1600 Hz
sinewave modulation frequency
DH3: frequency modulation
with ±40 kHz deviation and 500 Hz
sinewave modulation frequency
DH5: frequency modulation
with ±40 kHz deviation and 300 Hz
sinewave modulation frequency
Drift mode
successive packets have alternating start
phases of 0°/180°
ON/OFF
Drift resolution N/A
Drift uncertainty (FM deviation) ±5 kHz
Dirty TX (EDR)
Frequency offset range
±250 kHz
Frequency offset resolution 1 kHz
Frequency offset uncertainty ±5 Hz + drift of time base
Symbol time error range ±20 ppm
Symbol time error resolution 1 ppm
Symbol time error uncertainty same as time base
Drift mode frequency modulation with ±10 kHz
deviation and sinewave modulation period
of 100 µs; successive packets have
alternating start phases of 0°/180° ON/OFF
Drift resolution N/A
Drift uncertainty (FM deviation) ±0.5 kHz
Dirty TX (Bluetooth ® Low Energy)
Frequency offset range ±250 kHz
Frequency offset resolution 1 kHz
Frequency offset uncertainty ±5 Hz + drift of time base
Modulation index range 0.40 to 0.60
Modulation index resolution 0.01
Modulation index uncertainty 11110000 pattern
in temperature range +20 °C to +35 °C ±1 %
Symbol time error range ± 50 ppm
Symbol time error resolution 1 ppm
Symbol time error uncertainty same as time base
Drift mode frequency modulation with ±50 kHz
deviation and sinewave modulation period
of 1600 µs (625 Hz); successive packets
have alternating start phases of 0°/180° ON/OFF
Drift resolution N/A
Drift uncertainty (FM deviation) ±5 kHz
Note: Both the basic rate and EDR dirty transmitter, with the Specification Table setting, are in line with the Bluetooth ® Radio
Frequency Test Specification V1.2/V2.0+EDR/V2.1+EDR, supporting both single-slot and multi-slot ACL packets.