Re: mike cable question

Please send me your personal email address and I'll resend everything.

Ken
WA2LBI





On Fri, Jul 19, 2019 at 2:57 PM Patricia Wilson [email protected]
[FT100] <[email protected]> wrote:

>
>
> The image didn't make it, Ken.
>
> On Fri, Jul 19, 2019 at 11:27 AM Ken Winterling [email protected] [FT100] <
> [email protected]> wrote:
>
>>
>>
>> Patricia,
>>
>> Here is the adapter cable diagram along with the EV docs and Yaesu FT-100
>> mic pinout jack I think this will work; let me know if it doesn't. If you
>> make changes please let me know so I can update/correct the diagram for my
>> files.
>>
>> GL!
>>
>> [image: EV 664 Mic To Yaesu FT-100 Radio.jpg]
>>
>> [image: image.png]
>>
>> Ken
>> WA2LBI
>>
>> On Fri, Jul 19, 2019 at 12:53 PM [email protected] <[email protected]>
>> wrote:
>>
>> > Patricia,
>> >
>> > I think I can help although I don't have a FT-100 but I have repaired a
>> > few some years ago. Double check the radio mic jack. I believe it is a
>> > RJ-12 6 pin not a RJ-45 8 pin so you couldn't use an Ethernet cable. If
>> it
>> > is 6 pins then a 3 line telephone cable could be used to make an
>> adapter.
>> > If you have, or know somebody who has, a RJ crimper you can build the
>> > cable yourself.
>> >
>> > If possible, I prefer to build adapters vs rewiring a working mic unless
>> > I'm certain I'll never use it on another rig. As for the EV-664, it has
>> a
>> > 4 pin socket on the bottom so you can make a unique cable for the mic.
>> >
>> > As it comes from the factory the mic switch is used to short the mic for
>> > on/off use. You need to rewire the switch for PTT as well as VOX, if you
>> > plan to use the latter. It is also necessary to wire it for lo-z.
>> >
>> > The FT-100 needs a resistor, I forget the value, in series with the PTT
>> > line to ground to key the transmitter. That can go in the mic or cable
>> > connector. I prefer the latter so that removing the cable from the mic
>> > removes the modification.
>> >
>> > Regarding shielding, I would use a 3 conductor shielded cable:
>> shield/PTT
>> > ground, mic hi, and PTT. Since the FT-100 has a common ground for mic
>> and
>> > PTT you don't need more.
>> >
>> > I'll work on a schematic. I should be able to send it to you today. I'll
>> > include the official EV docs for wiring the mic for PTT and VOX. Its a
>> > good idea to use the factory "standard" if you somebody else has to
>> > troubleshoot the mic/cable in the future.
>> >
>> > *Ken *
>> > *WA2LBI *
>> > *LG G6 *
>> >
>> >
>> > ------ Original message------
>> > *From: *Patricia Wilson [email protected] <[email protected]
>> >
>> > [FT100]
>> > *Date: *Thu, Jul 18, 2019 19:46
>> > *To: *FT100@yahoogroups com;
>> > *Cc: *
>> > *Subject:*[FT100] mike cable question
>> >
>> >
>> >
>> > I was going through my collection of stuff and found a beautiful old
>> > ElectroVoice 664 that I used with my SB400 Heathkit. It would add some
>> much
>> > needed charm to the operating desk. Question is what can I use for a
>> mike
>> > cable. My thinking is I can whack off one end of an ethernet cable and
>> > connect the mike to the cable. Will it work? Would shielding be an
>> issue?
>> > Thanks for any feedback (no pun intended, honest).
>> >
>> > --
>> >
>> > Patricia Wilson
>> > Apache Junction, AZ
>> > Member NRA, ARRL
>> > WB8DXX (Extra)
>> >
>> >
>> >
>>
>> [Non-text portions of this message have been removed]
>>
>>
>
> --
>
> Patricia Wilson
> Apache Junction, AZ
> Member NRA, ARRL
> WB8DXX (Extra)
>
> 
>