Icom 706 amplifier keying Essential if your linear doesn't have RF sensed switching. 5 to 0. Aug 25, 1998 · Click for a higher resolution schematic in PDF format. Because it might be nice to use my ACOM-1000 with the ICOM IC-706MKIIG, I decided to make this "modification". THE LEADER IN AMPLIFIER KEYING CABLES AND INTERFACES. We make many different models. The circuit presented here provides that interface. would like to advise User's of the following regarding this download service for User Manuals and Service Manuals. Sep 2, 2025 · WITH ALC - (RED connector is ALWAYS KEYING on this cable, the other color is ALC). Our RBI-1 is HIGHLY suggested because (for example) the ICOM IC-706 series radios only have 20 ma current capability to complete an amplifier relay T/R circuit when you transmit. ?? if so how would one go about it. 13 pin ICOM din keying cable. It is for IC-706 mk II g - European version Icom 706MKIIG simple accessories The 706mkiig does not have a signal which directly drives an external amplifier Jun 19, 2025 · Amplifier keying cable (5. Jun 22, 2008 · Was wondering if anyone has used a icom 706mk2g with the ameritron al-811/811h amplifiers. THIS listing is for the RBI-1A WITH keying cable for ICOM 13 pin din radios and an RCA-RCA cable (to go to most amplifiers RELAY jack) ICOM IC-706-seriees, IC-7100, IC-7300, IC If you have an Icom 706 MkIIG and you want to key your HF amplifier without having to use that cumbersome 13 pin ACC Socket connector along with an external rel Main Menu Login Modification Homebrew Forum Manuals Pictures Modification database: Adi Alinco AOR Bosch Drake Heathkit Icom Kantronics Kenwood MFJ Midland/Alan Motorola Radio Shack Ramsey Regency Standard Storno Uniden Yaesu TNC Other Articles for Icom 'IC-706MKII' Uploaded Description 09 Jun 2010 ICOM IC-706MK2 Fan Mod 11 Apr 2007 Icom 706 Linear amplifier keying/PTT/switching cable for Icom IC-703/706/718/7000/7100 & IC-7300 with built-in relay. 95 Free shipping 234 sold SH KB 7B 6W PJ 8 Icom Inc. 8 volts at less than 20 ma. Just follow the diagram Jul 27, 2021 · Icom radios use a pin on the accessory jack called “HSEND” that when transmitting can sink 13. The ICOM IC-7000 ICOM Amplifier Keying Cable is a high-quality accessory designed specifically for ICOM radios, including the IC-706, IC-718, IC-703, and IC-7300. The circuit provides a ground level voltage between -0. Icom IC-706MK2G TX Expand Mod This modification allows transmitter to transmit on whole frequency range. Amplifier keying cable for ICOM radios with 13 pin DIN connectors on the back panel. Icom's IC-706 compact transceiver is intended for mobile use, but its small size also appeals to DXpeditioners. See your radio operators manual, for DIN plug pin-out for this interface. Amplifier keying "buffer" for ICOM radios & others. This is an adapter that plugs into any ICOM with 13 pin jack and will allow EITHER -- PTT input (like from a hand or foot switch pedal) --OR-- it can be used as an output to key an amplifier. Protect your radio's delicate amplifier keying circuit with a RADIODAN (W7RF) designed Amplifier Relay Buffer Interface. 8V at 200mA to ground. Fortunately, my amplifier, the Ameritron AL-1200, will work with the 706. Aug 19, 2025 · The keying cable plugs into your radio 13 pin jack, and then to the RBI-1 buffered protective keying interface. One flaw I have found is the circuit used for keying a linear amplifier. IC-706MKIIG Linear Amp Keying Circuit The IC706 a very popular HF, VHF and UHF all mode transceiver and has gone under many changes and upgrades to the current IC706MKIIG. It can also be adapted to the 13 pin DIN of the 706 series, and the 7000, as well as the 718, 703 etc. This interface will work with any ICOM radio with an 8 pin ACC1 port, which includes the latest radios such as the IC-7600, 7700, 7800, 7200. 3k Q2 2N3904 100k +13. Amplifier Keying modification On the website of "Mundo Radio" I found an article that makes it possible for me to key an amplifier with my Icom-706MKIIG. If you agree to the following, push the AGREE button below to proceed. . ??? such as a Icom amplifier keying cable IC-706 IC-7100 IC-718 IC-7300 13 pin w ALC 200+ sold Brand New $35. 5 feet) for ICOM radios with 13 pin DIN connectors on the back panel. (Some Icom models, like the 706, are limited to 20mA. Unfortunately, Icom designers decided against installing a T/R (transmit/receive) control line output for interfacing an external power amplifier. In particular, the leading edge of the 706 transmit waveform has a high power spike which will trip the protection circuit in some amplifiers. Not Available Ameritron Amplifier Transceiver Keying Interfaces Amplifier Keying Interface, for Radio to Amp, Includes PNP-13D Cable for ICOM 7300, 7100, 7200, 7000, 706MKII, 706, 7410, 718, Each See More Specifications Jan 6, 2003 · Bob's page also contains other important information about keying an amplifier from an ICOM 706. would one of the foot switch keyers work with this since the 706mk2g has no alc/send unit. Our RBI-1A is HIGHLY suggested because (for example) the ICOM IC-706 series radios only have 20 ma current capability to complete an amplifier relay T/R circuit when you transmit. External Amplifier Keying from the IC-706 Bob Wolbert, K6XX IC-706 interface circuit for controlling an external power amplifier T/R Out (to amplifier) HSEND (REMOTE pin 3) 3. ?? and will this amp work on other radios with no alc/send units. Our standard RBI-1A will allow *any radio to key **any amplifier. We HIGHLY suggest using a relay buffer interface between your expensive radios amplifier keying circuit and your amplifier. 8V (REMOTE pin 8) Q1 2N3904 Icom’s IC-706 compact transceiver is intended for mobile use, but its small size also appeals to DXpeditioners. Jul 5, 2024 · We always suggest using our RBI-1A amplifier keying buffer interface to protect your radios amplifier keying circuit. ) Most third-party amp’s keying circuits will overload it and blow the switching transistor in the radio. The article is originally written by WB8BFS. lbzk zzae isil wlkmo bhjty sercph xvnsvqbv cizi gasjka emn urlj atfyan gpbkxpe bxy mztu