Timer, Counter Analyser - Aspen Electronics

Timer, Frequency Counter, Calibrators
CNT-81, Timer Counter & CNT-85, Counter
• CNT 81: 11 Digits Per Second Resolution.
• Choice of Rubidium or OCXO Reference.
• 8GHz Input Option.
CNT-85
CNT-81
Measuring
Modes
Frequency A, B, C
Frequency Burst
Period A
Frequency Ratio
Time Interval A-B
Pulse Width A
V-Max, V-Min
V P-P, A, B
Inputs A & B
Analogue Low Pass Filter, A
Digital Low Pass Filter
Input C
Frequency Range
Option 20 CNT-81 Input Voltage Range
Option 10 CNT-85
Input C
Option 13
Input A
Input B
Input C (option)
Resolution
Input A
Input B
Input C
Range
Resolution
Range
Range
Resolution
Range
Resolution
Range
Rise & Fall Time A
Phase A Relative B Range
Resolution
Duty Factor A Range
Totalise A, B Range
Modes
Range
Frequency Range
Spec. Resolution
Coupling
Impedance
Max. Ch. Timing Diff.
Max. Sensitivity
Attenuation
Manual Trigger
Auto Trigger
Impedance
Voltage Protection Level
Connector
Input Voltage Range
Impedance
Connector
Up to 300MHz
Up to 100MHz
100MHz ~ 2.7GHz (Option 20)
300MHz ~ 8GHz (Option 13)
11digit/s
1ms
1ms
50ms
3.3ns ~ 10 10 s
11 digit/s
A/B, C/B: 10 -9 ~ 10 15
0ns ~ 10 10 s
50ps (1ps average)
3ns ~ 10 10 s
50ps (1ps average)
3ns ~ 10 10 s
-180° ~ +360°
0.01°
0.000001 ~ 1.000000
0 ~ 10 17 ,
0 ~ 10 10 in A-B Modes
A Gated by B
A Start/Stop by B
Manual Gating A minus B
Timed Gating A minus B
-50 ~ +50V
Up to 100MHz
1.25mV
AC or DC
1MΩ//15pF & 50Ω
500ps
20mVrms,