Keithley 3930A Operator's Manual page 103

APPENDIX B
Model 3930A Specifications
B.l ELECTRICAL SPECIFICATIONS
Wavefolms
TWXS
1 DConlv. % , rt.\,n ,u
I
N-cycles CN is an integer) generated by a trigger signal. N=l to 65,536
N-cycles generated while trigger signal Is on (N=integer).