Tektronix 7D14, Instruction Manual

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Specif ication— 7D 14
TABLE 1-1 (cont.)
Characteristic
Performance Requirement
Supplemental Information
Internal Gate
Range 1 millisecond through 10 seconds
Selectable in decade steps
Resolution Up to 0.1 hertz
Accuracy
1
Within ±—---- -+ Time Base Accuracy
Total
Count
CH B
Frequency Range 10 hertz to 2 megahertz
AC Coupled Only
Sensitivity
At least 0.8 volt peak-to-peak Sine wave or pulse with 30%-70% duty
cycle
Input
R 10 kilohms within 20%
C
30 picofarads within 30%
Max Input Voltage
50 volts (DC + Peak AC) to 2 mega­
hertz
EXT GATE
Input Requirements
Turn On Level
Compatible with TTL Logic.
Logic "1" at least +2 Volts
Turn Off Level Logic “ 0" +500 millivolts or less
Risetime 500 nanoseconds (Maximum)
Falltime 500 nanoseconds (Maximum)
Minimum Off Time 500 nanoseconds
Minimum On Time
200 nanoseconds
Propagation Delay
+ T ransition 40 nanoseconds within 20 nano­
seconds
— T ransition
40 nanoseconds within 20 nano­
seconds
Input
Resistance
8.2 kilohms within 20%
Capacitance 35 picofarads within 20%
1-3