Tektronix CMC251, User Manual

Page: 31 / 38

Appendix A: Specifications
CMC251 User Manual
21
Table 10: Warranted Characteristics (Cont.)
Characteristic Measurement
Frequency Mode
Measurement specifications for frequency mode are applicable for a sine wave applied to
the inputs.
Channel A Range Prescale In Prescale Out
10ĂMHz to 100ĂMHz 1ĂHz to 10ĂMHz
Channel B Range 80 MHz to 1.3 GHz
Accuracy
±
(1 count + time base error)
Channel A Resolution Prescale In Prescale Out
1ĂHz to 1ĂkHz 0.1ĂHz to 100ĂHz
Channel B Resolution 10 Hz to 10 kHz
Period Mode
Range Prescale In Prescale Out
0.04Ă s to 1.0Ăs 0.4Ă s to 1.0Ăs
Frequency Range
(Sine wave) Prescale In Prescale Out
1ĂHz toĂ25 MHz 1ĂHz to 2.5ĂMHz
Accuracy
±
(1 count + time base error + trigger error)
Resolution Prescale In Prescale Out
10Ăps to 10Ăns 100Ăps toĂ100 ns
Pulse Mode
Range 0.25 s to 500 ms
Frequency Range 1 Hz to 2 MHz
Accuracy
±
(1 count + time-base error + trigger error + 100 ns)
Resolution 100 ps to 100 ns, switchable in four decade steps