Specifications

Table Of Contents
Chapter 6 Backdating
Procedure Changes
252 Assembly-Level Service Guide
Procedure Changes
Information Concerning Option 106 “Microwave
Input”, FW Rev (27.0)
If your counter has Firmware version 01.04 - xx.xx - xx.xx - xx.xx, or
01.05 - xx.xx - xx.xx - xx.xx, and you have an Option 106 “Microwave
Input” channel with FW Rev (27.0) installed, then use the “Microwave
Channel Frequency Calibration” procedure shown below for your counter.
Option 106 Microwave Channel Frequency Calibration
The following procedure should be performed when Option 106 (6 GHz)
with FW Rev (27.0) is installed as Channel 2 in a 53210A or Channel 3 in
a 53220A or 53230A. (Refer to “To Determine the Counter Firmware
Version” on page 160.)
1 First, run the counter Self-Test as described under “Performing
The Counter Self-Test” in the “Troubleshooting the Counter
section in chapter 2. A successful self-test procedure verifies that
the counter is operational and ready for calibration.
2 Unlock the counter by performing the procedure “To Unlock The
Counter For Calibration:” on page 103.
Key sequence:
[Utility] / (Cal AutoCal) / enter <code> / (Unlock Cal)
3 Set up an external microwave frequency source such as the
Agilent E8257D-520 for a 500 MHz sine wave at -27.0 dBm.
4 If the source has an ‘output enable’ feature, turn it ON.
5 Connect the microwave frequency source to Channel 3 on the
counter front panel. (See Figure 6-2.)
NOTE This will be channel 2 on a 53210A Counter.