External Duration; Specifications 1~8; Performance Conditions - Tektronix PG502 Instruction Manual

,Operating:I"9tructions--PG:502
Polarity. The direction from the baseline of the pulse
excursio", either positiveqoing (+) or negativegoing (6).
Ri"gin,g. Periodic aberrations that dampen in time,
following the overshoot.
Risetime. The time interval, at the step function
lesding edge, for the'pulse to rise from the 10% to the 90%
amplitude levels.
Rounding or Undershoot. The rounding of the pulse
corners at the &es of a step function.
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Tilt or Slope. A distortion of e" otherwise flat~toppql
pulse, characterized by either a decline or a rise of the pulse
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top. (see Flatness).
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Performance Conditions
Accuracv: 5% from 5 ns to .5 ms, 15% of 5 mr range,
The electrical characteristics ere valid only if the PG 502
is calibrated at a" ambient temperature betwew+20*C and
+30°C and operated between O'C and t5O'C. Specifications
apply only with 50 a output load impedances.
with both period and duration variables in calibrated
positions. Duration may vary not more than 3% +
0.5 ns for any duty factor less than 50%.
Duty Factor: At least 50% in normal pulse mode:
100% in complement mode. Minimum off time 2 "s.
SPECIFICATIONS
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PERIOD:
Range: 44 ns, 10 "r to 10 ms in decade steps. Vari-
able control ellows overlay on all ranges and extends
period TO > 100 "15.
External Duration: Leading edge threshold level <1 V,
trailing edge reset I level Xl.1 V. Maximum inout. 5 V.
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DC + peak AC. &rate to 2 V P-P @ 250 MHz.
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Jitter:
GO.196 + 50 ps,
* Accuracy: 5% in calibrated positions, from 10 "s to
1 ills, 15% 0" 10 ms range.
OUTPUT:
Jitter: a,l% + 50 ps.
Amplitude: Pulse high and low levels independently
adjustable over a -5V, to +5V range, with pulse
TRIGGER IN:
Amplitude: Trigger threshold <I V, reset threshold
30.1, V maximum inout 5 V DC + eeak AC. Oerate to
2 v b-P @ 250 MHZ.
amplitude limited between aO.5 V and <5 V. Com-
plement switch inverts pulse between ame ,two
selected voltage levels. Front panel selectable 50 a
r
internal back termination divides output levels by
TRIGGER OUT:
Risetime: &l "s.
Amplitud,e: al V into 50 a.
Falltime: 6 1 "s.
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DELAY:
Aberrations: < + and -5% ef 5 V P-P amplitude, except
negative transition aberrations may exceed 5% for
Fixed: e 10 "s from trigger out to pulse out.
durations less than 5 "s.
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DURATION :
Pulse Top Flatness: 32%. beginning 10"s after
transition.
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Range: a "s, 5 "s to 5 ms in decade steps. Variable
control allows overlap on all ranges, and extends
duration to>50 ml
INTERNAL POWER DISSIP TION: 14watts maximum.
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