Appendix A: Specifications
20
CMC251 User Manual
Table 10: Warranted Characteristics (Cont.)
Characteristic
Measurement
Channel B Input
Bandwidth
80 MHz to 1.3 GHz, AC coupled
Sensitivity (Sine wave
terminated into 50
W
)
5 mV
RMS
15 mV
RMS
35 mV
RMS
80 MHz to 600 MHz
600 MHz to 900 MHz
900 MHz to 1.3 GHz
Impedance
50
W
Maximum Input Voltage
1 V
rms
Internal Time Base
Crystal Frequency
10 MHz (TCXO)
Setability
±
0.1 ppm (
±
1 Hz)
Temperature Stabillity
<0.0001% (1 ppm from 0
_
C to 40
_
C)
Line Voltage Stability
<
±
0.4 ppm with 10% line voltage variation
Aging Rate
<
±
1 ppm/yr
Display
Display Update Time
Frequency Mode
Period Mode
Pulse Mode
Totalize Mode
Channel A: Selected GATE time plus 200 ms interval
Channel B: Selected GATE time plus 640 ms interval
Selected cycles averaging plus 200 ms interval
Selected cycles averaging plus 200 ms interval
Continuous
Summary of Contents for CMC251
Page 1: ...User Manual CMC251 1 3 GHz Frequency Counter 070 8527 03...
Page 4: ......
Page 10: ...General Safety Summary vi CMC251 User Manual...
Page 18: ...Getting Started 8 CMC251 User Manual...
Page 28: ...Reference 18 CMC251 User Manual...
Page 34: ...Appendix A Specifications 24 CMC251 User Manual...