HP 214B - Page 33

Model 214B
Performance Tests
PERFORMANCE TESTS
4-15
TRANSITION TIMES; PRESHOOT; OVERSHOOT; RINGING; PULSE POLARITY
SPECIFICATION :
EQUIPMENT :
Transition times
< 15ns for leading and trailing edges. Preshoot, overshoot and
Ringing < ± 5 % of pulse amplitude . Polarity: Positive or negative, switch selectable.
Sampling Oscilloscope
20dB A
ttenuator
20dB Attenuator 50W
CAUTION: Do not overload Attenuators and Inputs
SA MPLING
OSCI L LOSCO PE
D
2 146
=
c.=:=J t:::.=:J c::::::=::::I C=:J
o t--==:il 0
0
0
0
A
TRIG
0
9
o (
W 2~ 6
50 W
Figure 4- 9
1. Connect equipment
as shown in Figure 4- 9 and set 214B controls as follows:
MODE ............ .. .... . .. . .. NORM
PERIOD Range
... .. .... .... . . . .. 10 J.1 - . lm
PERIOD Vernier .. ... ... . .. .. .. . 1
POSITION Range .
.. . ... . .... . ... , .1 J.1 - 1 J.1
POSITION Vernier .. .. . . .. . ....... . as required
DUTY CYCLE % . ......... .. .. .. Released
WIDTH Range . ....... . .. . .. . . 25n- . 1J.1
WIDTH Vernier ..... . ..... .. ..... 10
AMPLITUDE Range ... ... . .. . . . . . 10 - 30
AMPLITUDE Vernier ... .. . .. . ..... 1 (10V)
INT LOAD .. . . .. ... . . . . . . .. .. ... Released
SLOPE . . . . . . . .. . ... . . ...... . . *
DELIADV /D.P. . .. . . . . .. . . .... . DEL
OUTPUT POLARITY .......... . ... as required
* ;
don't care
4-15
Scans by Artekmedia => 2009