ACCEPTANCE TESTING
7-32
External frequency standard input
Specification
Input levels:
Requires an input of 220 mV RMS to 1.8 V RMS into 1 k
Ω
Input frequencies:
1 MHz or 10 MHz
Test equipment
Description Minimum
specification Example
Signal generator
220 mV to 1.8 V RMS, 1 MHz to 10 MHz
IFR2030 or 2040
series
Test procedure
2030
Signal Generator
UUT
EXT STD
INPUT
(rear panel)
C3492
Fig. 7-16 External standard test set-up
(1)
Connect the test equipment as shown in Fig. 7-16.
(2)
On the UUT set source A to:
[UTIL]
[Freq
Standard]
[1MHz Ext Ind]
(3)
Set the signal generator to RF level 220 mV EMF, carrier frequency 1 MHz.
(4) Using
Table 7-49
, check that no external standard error messages are displayed on the UUT.
(5)
Set the signal generator to 1.8 V EMF and repeat (4).
(6)
On the UUT select
[10MHz Ext Ind].
(7)
Set the signal generator to carrier frequency 10 MHz and repeat (4).
(8)
Set the signal generator to 220 mV and repeat (4).
RF OUTPUT
