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L
evel P arameters
L
e v el p aram eters can b e e ntered as vol tage or curre nt, as
high/low-level or offset /amplitude in term s of vol tage or c u rrent .
1
V
o
l
tages do
ubl
e
in
to o
p
e
n
c
i
rc
ui
t
Ta ble 2-1 . Ty p ical Influence of Sour ce impedance on Timing an d L evels
C
h
anne
l
s Added at O
UTPUT
1
1
k
Ω
48 Ω
500 Ω
}1%σ ty p ical
f1% ty pica
l
f
1% ο ty
p
ical
OUTPUT I O
UTPUT
2 OUTPUT 1 OUTPUT 2
L
evels
V
o
l
tage
(
D
o
u
b
l
es into o
p
en)
(50 Ω Load)
A mpl itude 100 m
V
to 10 .0
V
200
mV
to 19 .0
V
0
V
to 19 .5
V
1
0
V
to 20 .0
V
Hig h- l evel -9 .90
V
to +10 .0
V
-18 .8
V
to +19 .0
V
-19 .3
V
to +19 .5
V
-20 .0
V
to +20 .0
V
L
ow-
l
eve
l
-10 .0 V to +9 .90 V
-19 .0 V 2 ο +18 .8 V
.19 .5 V to +19 .3 V
-20 .0 V to +20 .0 V
Accuracy f(1% A
mpl
.+ 50 m V )
i(1% Am
pl
.+ 100
m
V) -
-
R
eso
l
ution 10 mV
20
m V
10
mV
20
m V
Current
(into s
h
ort)
Amplitude -
+4 mA to +400 m A
-
0 mA to +800 mA
H
ig
h
-leve
l
-
-396 mA to +400 mA
-
-792 m A to +800 mA
L
ow-
l
eve
l
-
-400 mA to +396
mA
-
.800 m Α to +792 mA
Timing
M
in .
T
τ ansitions 2 .0 ns (wit
h
in }5 V)
2 .5 ns
7 .5 ns
2 .5 ns
7 .5 ns
30 ns
30 ns
M ί n . P eriod 6 .65 η >
24 η s
24 ns
90 η .
M
in . W idt
h
3 .3 ns
12 ns
3 .5 ns
12 ns
45 ns
45 ns
Delay Accuracy f(5% + 1 η s)
-
-
-
-
-
Add .
F
ixed de
l
ay 0
-
-
+0 .6 ns
-
+0 .6 ns
So u rce Im
p
eda
n
ce
Accuracy
Sepe
r
ate C
h
a
nn
els
50 Ω
±1% ο ty
p
ical
1 See
Fi
gure 2-2,
Hi
g
h
est a
n
d lowest leve
l
co
m
b
in
at
i
ons.
Pulse
P
erfor m ance
Overs hoot/ Pres h oot,
R
inging :
HP 81103Α 10V/2 ns Out put Ch a nn el
V
o
l
tage(50 Ω into δ 0Ω ) 1
C
u
r
r
ent (1
k
Ω
in
to s
h
ort)
Amplitude :
100 m V to 10 .0 V
4m A to 400 mA
Hig
h
-leve
l
.9 .90 V to +10 .0 V
-396 mA to +400 mA
L
ow-
l
eve
l
-10
.0 V to }9 .90 V
-400 m A to +396 m A
Leve
l
Accuracy :
f(1% ο Am
pl
itude + 50 m V ) -
Reso
lu
tio
n
:
10
m
V
1 m A
Ove
r
s
h
oot/
P
res
h
oot, Ringi
n
g: f5% of
amp
litude t20m V
Settl ίng time :
30 η . ty pica
l
S p ecifications
2- 1 1
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