Tektronix 2247A

baal
gy
4
a
w
Performance Characteristics
Table 6-1 (cont)
Electrical Characteristics
CHARACTERISTICS
PERFORMANCE
REQUIREMENTS
Frequency (cont)
Gated Mode
1.4 X TJE X F2
Resolution (Hz)* £ + LSD
( NgX /G
Freq Gating 0.5 ns X Fe
Error
(Hz)4
Ng
Accuracy
(Hz)
Resolution
+
(F
X
TBE)
+
freq
gating
error.
LSD
(Hz)?
Fe
N X 2X 108
No
more
than
8
digits
displayed;
minimum
LSD
displayed
Is
10
nHz.
Period
Range
C/T
TRIG
TIMEOUT
>
250
ms
to
<
10
ns.
Enabled, or B
Trigger MODE In
AUTO LEVEL?
C/T TRIG TIMEOUT
Disabled, and B
Trigger MODE not
in AUTO LEVEL@
Non-gated Mode
100 s to< 10 ns.
Displays “>100s" if overranged.
Resolution
t
Jes
AUINE
+
LSD
(seconds)?
N
Accuracy
(seconds)
Resolution
+
(P
X
TBE)
Gated
Mode
te
1
T.
Resolution
+
——————
+
LSD
(seconds)@
NgX
M/@
Time
interval
Gating
0.5
ns
Error (seconds) 4
Accuracy (seconds)
LSD (seconds)?
Ng
Resolution + (P X TBE)
+ time interval gating error.
5ns
N
No
more
than
8
digits
displayed;
minimum
LSD
displayed
Is
100
attosec,
*
Performance
Requirement
not
checked
in
manual.
2247A Operators
REV
SEP
1989
6-13