Anritsu MG3641A - Manual (Page 172)

SECTION 7 PERFORMANCE TEST
7-4
7.3.1 Output frequency
Confirm that the set frequency is output correctly.
(1) Test specifications
• Frequency range 125 kHz to 1040 MHz (MG3641A)
125 kHz to 2080 MHz (MG3642A)
• Set resolution 0.01 Hz
(2) Measuring instrument for test
• Frequency counter
(3) Setup
Fig. 7-1. Output Frequency Test
(4) Test procedure
STEP PROCEDURE
1. Connect the reference frequency output (10 MHz) of the frequency counter to the MG3641A/MG3642A
external reference input (Ref Input).
2. Connect the MG3641A/MG3642A output to the input of the frequency counter. (See Figure 7-1.)
3. Set the MG3641A/MG3642A output level to +7 dBm.
4. Set the MG3641A/MG3642A frequency to an arbitrary value.
5. Confirm that the indicator of the frequency counter is equal to the set value.
6. Change the frequency and repeat this measurement procedure.
(5) Note on test
The indicator of the frequency counter may include a
±1 count error.
Ref Input (Rear panel) 10 MHz
INPUT
Frequency counter
OUTPUT
MG3641A/MG3642A