[hpsdr] Penelope + Munin + AL-811H Advice.

[Keith]

A while back I set up my ALS-600 to work using both the rf 
(+Pennywhistle)  and open collector outputs from Pennylane. I used an 
external 8 channel solid state relay board for the open collector 
outputs from Pennylane as I wanted auto band switching for the ALS-600 
along with PTT. All control signals from Pennylane are isolated from the 
amplifier in this setup. The 12V from the ALS-600 is used across the 
solid state relay contacts to control the ALS-600 band switching and 
PTT. I did have to modify the ALS-600 (as per designer recommendations) 
to accept the 15W from Penny Whistle they were very easy just remove the 
swamping resistor and rewind the input transformer. Almost forgot I 
added some leds to the box with the solid state relay board for band and 
PTT indications. Been working well for a couple of years now.

73
N3ICK

On 8/2/2013 6:23 PM, n3evl wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> I recently acquired an AL-811H amplifier and would like to hook it up 
> to my existing Atlas based HPSDR - namely Penelope + Munin. I'd 
> appreciate some advice on setting up this configuration.
>
> I'm already using the PTT outputs on Penny to put Munin into TX. I'm 
> assuming I need to use one of the Open Collector outputs to key the 
> AL-811H.  I see there are some timing options in PowerSDR so I'm 
> guessing I need to and can, in fact, sequence the keying of both 
> amps?  My assumption is that I want the AL-811H to got to TX first, 
> then Munin go to TX, then Penelope to generate RF (and presumably the 
> reverse sequence when going back to RX?
>
> Please let me know if I have this concept right and if PowerSDR 
> supports this type of sequencing.
>
> I'd also be interested in any other tips regarding using HPSDR with 
> this amp setup.
>
> Thanks,
>
> Pete, N3EVL
>
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