General Information
Model 8642A/B
Table 1-2. Supplemental Characteristics (2 of 2)
Supplemental characteristics
are
typical,
but
non-warranted performance parameters, intended
to be
useful
in
instru-
ment applications.
INTERNAL REFERENCE OSCILLATOR EXTERNAL REFERENCE
Characteristic
Aging rate
Temperature
Line voltage
Standard
±2 ppm/year
±4
ppm, 0° to
55°C
±0.1
ppm,
+5%,
-10%
High Stability
(opt.
001)
See Table
1-1
±7
X 10"
9
,
0°
to
55°C
±3
X 10"
9
,
+5%,
-10%
Output, rear panel:
Frequency:
10 MHz.
Level:
>1.4 Vp-p
into
50
ohms.
Impedance:
75
ohms.
Input, rear panel:
Frequency:
1, 2, 5, or 10 MHz, ±25 ppm.
Level:
>0.5 Vp-p.
Impedance:
500
ohms.
1-14
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