9
accurate pulse width and
pulse delay than normal
mode).
Note: Agilent 8114A does not support pattern mode.
Load impedance
999 kΩ (default), selectable from
2.5 Ω to 999 kΩ (81110A)
999 kΩ (default), selectable
from 10 Ω to 999 kΩ (8114A)
Pulse Setting Range
Pulse Period
Normal mode
81110A:
Range: 350 ns to 999 s
Resolution: 4 digits
(min. 100 ps)
8114A:
Range: 350 ns to 999 ms
Resolution: 3 digits
(min. 1 ns)
Pattern mode
81110A:
Range: 120 µs to 999 s
Resolution: 4 digits (min. 100
ns)
8114A:
Range: 120 ns to 999 ms
Resolution: 3 digits
(min. 1 µs)
Pulse Width
Normal mode
81110A:
Range: 50 ns to 999 ms
Resolution: 3.5 digits
(min. 50 ps)
8114A:
Range: 150 ns to 150 ms
Resolution: 3 digits
(min. 1 ns)
Pattern mode
81110A in the master unit
Range: 50 ns to 999 ms
Resolution: 3 digits
(min. 100 ps)
8114A in the master unit
Range: 150 ns to 150 ms
Resolution: 3 digits
(min. 1 ns)
81110A in slave units
Range: 100 ns to 999 ms
Resolution:
1
×
10
–n
(at 1000
×
10
–n
< T
≤ 4000
×
10
–n
)
2
×
10
–n
(at 4000 × 10
–n
< T
≤ 8000
×
10
–n
)
2.5
×
10
–n
(at 8000 × 10
–n
< T
≤ 10000
×
10
–n
)
T means the maximum value
of (pulse width + delay time)
among all the channels. For
example, if T is 250 µs, then
according to the above table,
the resolution is 0.1 µs (1
×
10
–7
) because T= 250
×
10
–6
=
2500
×
10
–7
.
Pulse Delay
Normal mode
81110A Range: 0 to 998 ms
Resolution: 3.5 digits
(min. 5 ps)
8114A Range: 0 to 998 ms
Resolution: 3 digits
(min. 10 ps)
Pattern mode
Range: 0 to 998 ms
Resolution:
81110A and 8114A in the
master unit
3 digits (min. 10 ps)
81110A in slave units
1
×
10
–n
(at 1000
×
10
–n
< T
≤ 4000
×
10
–n
)
2
×
10
–n
(at 4000 × 10
–n
< T
≤ 8000
×
10
–n
)
2.5 × 10
–n
(at 8000 × 10
–n
< T
≤ 10000
×
10
–n
)
T means pulse period specified
in the Force_pg subprogram. If
not specified, T is the maximum
value of 1.1
×
(pulse width +
delay time + 30 ns) among all
specified PGs.
Transition Time
20 ns to 200 ms (81110A)
65 ns (fixed) (8114A)
Pulse Level (at open load)
81110A:
±19 V (at 2 level)
±19 V (at 3 level)
Restriction for “3-level pulse
with one PG” output mode: the
sum of the absolute values of
both amplitudes cannot exceed
20 V.
8114A:
–49.9 V to +50 V (at 2 level)
–49.9 V to +50 V (at 3 level)
There is no “3-level pulse with
one PG” output mode on the
Agilent 8114A because it has
only one Output.
81110A + 8114A:
–49.9 V to +50 V (at 3 level)
Pulse Level Accuracy (at open load)
81110A level:
± ((2 % of amplitude) + 150 mV)
8114A amplitude:
± ((2 % of amplitude) + 200 mV)
8114A baseline:
± ((2 % of baseline) + (1 % of
amplitude)+ 200 mV)
Pulse Shape Accuracy (at 50 Ω load
impedance)
81110A width:
± (3%of setting + 2 ns) or
± (0.5%of setting + 2 ns)*
(in normal mode, width ≥50 ns)
81110A delay:
± (3%of setting + 1 ns)
± (0.5%of setting + 1 ns)*
(in normal mode, width ≥ 50 ns)
*Supplemental characteristics after timing calibration
81110A transition:
(–10%of setting) to (+10%of
setting + 20 ns) (transition time
≥ 20ns)
81110A overshoot:
± (5%of amplitude + 20 mV)
(transition time ≥20 ns)
8114A width:
± (5%of setting + 3.5 ns)
(width ≥ 200 ns)
± (5%of setting + 6.0 ns)
(width ≥ 150 ns)
8114A delay:
± (5%of setting + 1 ns)
8114A transition:
65 ns ± 20 ns
8114A overshoot:
± (5%of amplitude + 50 mV)
Pulse Shape Accuracy (at 5 k
ΩΩ
ΩΩ
Ω load
impedance: reference data)
Agilent 81110A overshoot/ringing:
± (5%of amplitude + 20 mV)
8114A overshoot/ringing:
(–8% of amplitude) to (+4% of
amplitude)
81110A transition time:
±(10%of setting + 5 ns)
8114A transition time:
56 ns ± 5 ns
Skew between pins: ± 10 ns
(428 páginas)
(18 páginas)
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