Technical data

User’s and Service Guide Supplement 5
Operation and Performance Verification
Documentation Conventions
The following key conventions are used throughout this document.
•
[HARDKEYS] are labeled front panel keys.
•
SOFTKEYS are unlabeled keys whose function is indicated on the instrument display.
Option H30 Operation (520 or 540)
To use the E8247C and E8257C/D Option H30 as a standard instrument, refer to the
standard User’s Guide.
To use the E8247C and E8257C/D Option H30 as an RF upconverter, refer to the following
procedure:
CAUTION Maximum power into the rear panel RF upconverter input must not exceed
+20 dBm.
CAUTION Damage to upconverter mixer can result if the reverse power into the RF
output port on the front panel occurs while in upconverter mode.
NOTE Refer to “Nominal Performance Characteristics” on page 3 for performance
considerations.
Step 1. Remove the protective connector from the RF up converter Input on the rear
panel.
Step 2. Set the RF source (customer supplied) to within the recommended power and
frequency ranges.
Step 3. Connect the RF source to the H30 rear panel RF upconverter input using a
suitable RF cable and adapters as necessary. It is recommended that the user set
the power level of the E8247C or E8257C/D Option H30 to +10 dBm for best
performance.
To activate upconverter mode from the front panel, press:
[FREQUENCY] > MORE, MORE > UPC ON/OFF (to activate mode)
Use the same front panel key to return the instrument to normal synthesizer
mode.
The command UPC ON can be used to remotely select the upconverter mode. Use
the command UPC OFF to return the instrument to normal synthesizer mode.