On Fri, Jun 10, 2011 at 11:27 AM, George R Allen <[email protected]>wrote:
> Some time ago, someone gave a reference on how to interface the David Clark > headset to the F5K. Could someone please send the reference to me. > I think that both William Fite and I have posted separately on this topic. The interface is pretty easy and involves nothing more than a 100 ohm resistor from the +5V pin to the Mic+ pin to provide bias for the mic in the David Clark headset (or any other aviation headset). The pinout for the mic plug on the headset is: Tip: PTT Ring: Mic+ Sleeve: Mic-/ground Outfits like Pacific Coast Avionics, Chief Aircraft, etc., can provide the .211" TRS jack used by aircraft mic plugs. I found one designed for in-line wiring so I made an adaptor cable from the .211" in-line jack to the 8-pin mic connector on the front of the 5000. The ones below are standard panel-mount jacks so you would need to put one in some kind of a box. References: http://www.chiefaircraft.com/airsec/Aircraft/InstallationSupply/JacksPlugs.html http://www.aircraftspruce.com/catalog/avpages/plugs_paneljacks.php -- Brian Lloyd, WB6RQN/J79BPL 3191 Western Dr. Cameron Park, CA 95682 [email protected] +1.767.617.1365 (Dominica) +1.931.492.6776 (USA) (+1.931.4.WB6RQN) _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
