[App_rpt-users] SA-828U 'COR'

Tue Oct 6 15:17:08 UTC 2015

I can confirm the 828 has the second harmonic on my IFR 1200S
For RUS you want pin 1 of the MIX2009 audio chip. (under the shield)

On 10/6/2015 9:30 AM, Steven Donegan wrote:
> Other than using a Pi 2, and the newer/cleaner 828 module, Doug's 
> setup based on the 818 module is exactly what I will be trying. Thanks 
> for the info!
> Steven Donegan
> KK6IVC General Class FCC License
> Silver State Car #86
> www.sscc.us
>
> ------------------------------------------------------------------------
> *From:* Steve Zingman <szingman at msgstor.com>
> *To:* Steven Donegan <donegan at donegan.org>
> *Cc:* "app_rpt-users at ohnosec.org" <app_rpt-users at ohnosec.org>
> *Sent:* Tuesday, October 6, 2015 6:17 AM
> *Subject:* Audio detection circuit to generate 'COR'
>
> Steve,
> Be aware that those transmitters are dirty.
> There is a note about a module using the same RF circuit on Doug's 
> HAMVIOP site.
> He suggests a filter. REQUIRED if you are going to drive a amp or even 
> connect it to a antenna!
>
> 73, Steve N4IRS
>
>
>
> On 10/6/2015 9:13 AM, Steven Donegan wrote:
>> Thanks. For my first full duplex repeater (for test/learning 
>> purposes) I am going with 2 of those modules and a 6 cavity duplexor 
>> (likely of the 'notch' variety). If it works out may put my Mirage 
>> BD-35 on the TX side before the duplexor and get ~16 watts for giggles.
>> Steven Donegan
>> KK6IVC General Class FCC License
>> Silver State Car #86
>> www.sscc.us <http://www.sscc.us/>
>>
>> ------------------------------------------------------------------------
>> *From:* Steve Zingman <szingman at msgstor.com> 
>> <mailto:szingman at msgstor.com>
>> *To:* Steven Donegan <donegan at donegan.org> <mailto:donegan at donegan.org>
>> *Sent:* Tuesday, October 6, 2015 6:10 AM
>> *Subject:* Re: Audio detection circuit to generate 'COR'
>>
>> I'll send you the info tonight when I get home. I have a couple of them.
>>
>>
>>
>> On 10/6/2015 9:10 AM, Steven Donegan wrote:
>>> Thanks Steve! I'll look into that as well.
>>> Steven Donegan
>>> KK6IVC General Class FCC License
>>> Silver State Car #86
>>> www.sscc.us <http://www.sscc.us/>
>>>
>>> ------------------------------------------------------------------------
>>> *From:* Steve Zingman <szingman at msgstor.com> 
>>> <mailto:szingman at msgstor.com>
>>> *To:* Steven Donegan <donegan at donegan.org> 
>>> <mailto:donegan at donegan.org>; "app_rpt-users at ohnosec.org" 
>>> <mailto:app_rpt-users at ohnosec.org> <app_rpt-users at ohnosec.org> 
>>> <mailto:app_rpt-users at ohnosec.org>
>>> *Cc:* "app_rpt-users at ohnosec.org" <mailto:app_rpt-users at ohnosec.org> 
>>> <app_rpt-users at ohnosec.org> <mailto:app_rpt-users at ohnosec.org>
>>> *Sent:* Tuesday, October 6, 2015 6:06 AM
>>> *Subject:* Audio detection circuit to generate 'COR'
>>>
>>> Steve COR or actually RUS "Receiver Un Squelch" is available in that 
>>> radio. You have to unsolder the shield to get to it.
>>>
>>> 73, Steve
>>>
>>>
>>>
>>> On 10/6/2015 8:56 AM, Steven Donegan wrote:
>>>> Well, it is a generic question - any radio without COR. The 
>>>> specific model in my case is a UHF radio module model # SA-828U: 
>>>> http://www.alibaba.com/product-detail/1W-5km-distance-SA828-U-uhf_60092524887.html?spm=a2700.7724857.29.62.Xbg6c5
>>>> Steven Donegan
>>>> KK6IVC General Class FCC License
>>>> Silver State Car #86
>>>> www.sscc.us <http://www.sscc.us/>
>>>>
>>>> ------------------------------------------------------------------------
>>>> *From:* Skyler Fennell <electricity440 at gmail.com> 
>>>> <mailto:electricity440 at gmail.com>
>>>> *To:* Steven Donegan <donegan at donegan.org> 
>>>> <mailto:donegan at donegan.org>
>>>> *Cc:* app_rpt-users at ohnosec.org <mailto:app_rpt-users at ohnosec.org>
>>>> *Sent:* Tuesday, October 6, 2015 5:47 AM
>>>> *Subject:* Re: [App_rpt-users] Audio detection circuit to generate 
>>>> 'COR'
>>>>
>>>> http://www.aaroncake.net/circuits/vidswitch.asp
>>>>
>>>> That might work, I use it for packet.
>>>>
>>>> What radio are you on?
>>>>
>>>> Sent from my iPhone
>>>>
>>>>
>>>>
>>>> On Oct 6, 2015, at 6:29 AM, Steven Donegan <donegan at donegan.org 
>>>> <mailto:donegan at donegan.org>> wrote:
>>>>
>>>>> Does anyone have a circuit that will take audio from a radio and 
>>>>> generate a pseudo COR signal for the URI-x? If so would you share 
>>>>> the circuit diagram?
>>>>>
>>>>> TIA
>>>>> Steven Donegan
>>>>> KK6IVC General Class FCC License
>>>>> Silver State Car #86
>>>>> www.sscc.us <http://www.sscc.us/>
>>>>> _______________________________________________
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>>>>
>>>>
>>>>
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