S412E MM PN: 10580-00324 Rev. N 4-1
Chapter 4 — CW Signal Generator
Verification
4-1 Introduction
This chapter provides the procedures for verifying the performance and the functionality of the CW Signal
Generator in the S412E. The test procedures consist of the following:
• “Frequency Accuracy Verification” on page 4-1
4-2 Frequency Accuracy Verification
The following test is used to verify the frequency accuracy of the S412E in CW signal generator mode.
Equipment Required
• RF coaxial cable, Anritsu Model 15NN50-1.5C
• Frequency Counter, Anritsu Model MF2412C
• AC Power Adapter, Anritsu part number 40-187-R
Procedure
1. Connect the AC Power Adapter (Anritsu part number 40-187-R) to the S412E and then plug the power
cord of the AC Power Adapter to an AC outlet.
2. Power on the S412E and put the instrument into CW Signal Generator mode.
3. Preset the S412E by pressing the Shift key, then the Preset (1) key, then the Preset button on the
touchscreen.
4. Connect the RF cable between the Signal Generator Out and RF In of the frequency counter.
5. Press the Frequency main menu button and set Tx Freq to 1 GHz.
6. In the lower right hand corner of the touchscreen ensure the button shows Turn Sig-Gen OFF, meaning
the signal generator is turned on. If the button shows Turn Sig-Gen ON, then press it once to turn on the
signal generator and have the button change to Turn Sig-Gen OFF. This will allow the signal generator
to be turned off when the procedure is completed.
7. Record the frequency reading in Table A-16, “Signal Generator Frequency Accuracy Verification”
on page A-16, and verify the value is within specification.
Note Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
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