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FLEX-6000 Signature Series - SmartSDR for Windows Software User’s Guide

Page 106

27 HOW TO CONFIGURE TRANSVERTERS

To configure transverters, first bring up the transverter configuration panel in SmartSDR by clicking

Settings… Radio Setup… and the selecting the XVTR tab. The radio setup panel should look like this:

To add a transverter band, click the plus (+) tab. A new transverter band tab will show up which has

blanks that need to be filled in with information about your transverter. The first blank holds the

name of the transverter or transverter band. Generally, you would enter something like "1296" for

1296MHz or "10G" for 10.368GHz, but you may enter any 4-character descriptor for the band that

suits you. Next, the RF frequency in MHz is entered followed by the IF frequency in MHz. This is

followed by any error in your local oscillator, a maximum output power from the radio and then any

IF gain in your transverter. Here’s a detailed description of each field and what you would input or

see in the field:

Name: holds the name of the transverter, generally a reference to the RF frequency of the

transverter. This name must be 4-characters or less. The name will be displayed in the Panadapter

during transverter use as a reminder that RF will be passing through the transverter. The name is

also used on the transverter band selection panel discussed later.

RF Freq (MHz): the output RF frequency of your transverter. This is the frequency that the final

antenna will work on. Note that the RF frequency and the IF frequency are directly related by the LO

frequency. You must enter an RF frequency that will be directly translated to the IF frequency. For

example, if you enter “1296” for a 1296 to 28MHz transverter, you must enter “28” in the IF

frequency. Do not use “1296.1” for one and “28.0” for the other unless this is the way your

transverter is configured. If you have any doubts, be sure that the LO frequency calculated by

SmartSDR matches the LO frequency of your transverter.

IF Freq (MHz): the IF frequency that corresponds to the RF frequency previously entered. Currently

SmartSDR only understands high-side injection so the IF frequency must be below the LO frequency

of your transverter.

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