ELECRAFT KPA1500 Application Note

Connections to the icom ic-7300

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KPA1500 Connections to the Icom IC-7300

Application Note

June 2018 Rev 2.1

Many operators want to use the Elecraft KPA1500 amplifier with their Icom IC-7300 transceiver. This

Application Note will discuss how this can be done with the Icom IC-7300. Many other Icom radios can

likely be adapted to work with the KPA1500 using the techniques described here.

You will be connecting the KPA1500 to the SEND jack on the rear of the Icom transceiver.

Here's the wiring diagram from the IC-7300 Owner's Manual. Item #9 below is the SEND jack. Use the

cable terminated in dual RCA/Phono plug that was supplied in the box with the KPA1500 to make this

connection.

While the KPA1500 can accommodate it, there is no need to use the ALC connection with the KPA1500

unless the transceiver vendor requires its use.

Rev: 2.1

Table of Contents

Do you have a question about the KPA1500 and is the answer not in the manual?

Page 1 You will be connecting the KPA1500 to the SEND jack on the rear of the Icom transceiver. Here's the wiring diagram from the IC-7300 Owner's Manual. Item #9 below is the SEND jack. Use the cable terminated in dual RCA/Phono plug that was supplied in the box with the KPA1500 to make this connection.
Page 2 Connect the other end of the RCA cable to the KPA1500's KEY IN jack ( Item #10 in the image below) from the KPA1500 Owner's Manual. Connecting the CI-V system The KPA1500 includes the ability to read the VFO frequency directly from the Icom radio using Icom’s CI-V communication system.
Page 3 At each of these points, we will be causing the Icom radio to emit a steady-state, CW RF signal for the KPA1500 to use while it executes a Full Tune Cycle.
Page 4 How do you know how many times per band is needed to fully train the tuner? See the Appendix of the KPA1500 Owners Manual for a table of all the frequencies to make it easier to choose the right ones for your station.