Atec R-S-CMU200 - Manual (Page 5)

Version 09.00, October 2008 R&S ® CMU200 Universal Radio Communication Tester 5
Base unit specifications
Timebase TCXO
Max. frequency drift in temperature range +5 °C to +45 °C ±1 × 10 –6
Max. aging ±1 × 10 –6 /year
Timebase OCXO – R&S
®
CMU-B11 option
Max. frequency drift in temperature range +5 °C to +45 °C ±1 × 10 –7
Max. aging after 30 days of operation ±2 × 10 –7 /year
±5 × 10 –9 /day
Warm-up time at +25 °C approx. 5 min
Timebase OCXO – R&S
®
CMU-B12 option
in temperature range +5 °C to +45 °C,
referenced to +25 °C ±5 × 10 –9
with instrument orientation ±3 × 10 –9
Max. frequency drift
referenced to turn-off frequency
after 2 h warm-up time following
a 24 h off time at +25 °C ±5 × 10 –9
Max. aging after 30 days of operation ±3.5 × 10 –8 /year
±5 × 10 –10 /day
Warm-up time at +25 °C approx. 10 min
Reference frequency inputs/outputs
Synchronization input BNC connector REF IN
sinewave 1 MHz to 52 MHz, 1 kHz step Frequency
squarewave (TTL level) 10 kHz to 52 MHz, 1 kHz step
Max. frequency variation ±5 × 10 –6
Input voltage range 0.5 V to 2 V, rms
Impedance 50 Ω
Synchronization output 1 BNC connector REF OUT 1
Frequency 10 MHz from internal reference or
frequency at synchronization input
Output voltage >1.4 V, peak-peak
Impedance 50 Ω
Synchronization output 2 BNC connector REF OUT 2
Frequency net-specific frequencies in range
100 kHz to 40 MHz
Output voltage f ≤ 13 MHz >1.0 V, peak-peak
Impedance 50 Ω