[Dstar] Fwd: Fwd: [VK-DStar-Coordination] FW: Paladin 23cm Triplexer [3 Attachments]

Thu Aug 20 19:01:51 CST 2009

---------- Forwarded message ----------
From: <info at paladinrf.com>
Date: 2009/8/20
Subject: Re: Fwd: [VK-DStar-Coordination] FW: Paladin 23cm Triplexer [3
Attachments]
To: Heath - VK3TWO <vk3two at gmail.com>

Hello Heath,

I have been looking at your proposed D-Star DV with regards to the DD
channel and this one is definitely going to be a challenge since one channel
will be only 4.4mHz away from the DV channel. We will tune our prototype to
this proposed configuration you have and let you know the outcome. Is it
possible, to have the DV channel at 1273.9MHz, offset +15MHz? Just a
thought. Also, would you be interested in a 70cm duplexer to make a super
small size package for both 23 and 70cm? Please advise accordingly. You can
find details of the 70cm duplexer at our website, www.paladinrf.com.

As indicated in your mail, a bulk deal will definitely be considered as an
option. Once you provide us with a solid number of units you would like to
purchase, our accounting department will look into that and work something
out for you.

Thank you and hope to hear from you soon.

Wisdom........................VA3TSU

Quoting Heath - VK3TWO :

Wisdom,

The repeater i have been working on can be found here:
http://www.dstar.org.au/vk6rwn.htm

There are links to the other VK repeaters from that site.

At this point, the cost is most likely prohibitive, however VK has recently
had an infulx of 23cm DSTAR modules so a bulk deal on these might be an
option?!? I would guess that we might be able to purchase up to half a dozen
triplexers?

73's

Heath
VK6TWO

2009/8/19 info at paladinrf.com <info at paladinrf.com>

> Hello Heath,
>
> In an effort to provide a better product, we have made some improvements to
> our prototype. With this new configuration, we now have better response in
> the pass band, eliminating the ripples. This has however, increased the
> insertion loss a little bit more for the 2 closest frequencies. The
> rejection has not been affected though and the unit still maintains really
> high isolation between channels.
>
> We have been doing these tests for the worst case scenario but have decided
> to rather contact you for a typical setup that you would have there at your
> location. This will give us the opportunity to test the prototype and
> provide you with plots for your typical set ups.
>
> Please provide a 3 frequency typical 23cm repeater set for your location at
> your earliest convenience.
>
> Thank you.
>
> Wisdom.............VA3TSU
>
> ------------------------------
> *From*: Heath - VK3TWO
> *Date*: Wed, 5 Aug 2009 17:32:14 +0800
> *To*: <info at paladinrf.com>
> *Subject*: Fwd: [VK-DStar-Coordination] FW: Paladin 23cm Triplexer [3
> Attachments]
> Wisdom,
>
> I would also be interested in one of these for our DSTAR repeater her in
> Perth (VK6RWN), and no doubt, there would also be many others in Australia
> who would be interested.
>
> Regards,
>
> Heath.
>
> ---------- Forwarded message ----------
> From: David Tilson <dave at daves-portal.com>
> Date: 2009/8/2
> Subject: [VK-DStar-Coordination] FW: Paladin 23cm Triplexer [3 Attachments]
> To: VK-DStar-Coordination at yahoogroups.com
>
>
>    [Attachment(s)<#123352b54a81cc7b_123326232f98aec5_122d89cc0f359252_TopText>from David Tilson included below]
>
>  Hi guys,
>
> I received this from Paladin RF this morning for anyone interested.
>
> Cheers,
>
> davidt, VK3UR
>
>
> -----Original Message-----
> *From:* info at paladinrf.com [mailto:info at paladinrf.com]
> *Sent:* Sunday, 2 August 2009 7:37 AM
> *To:* David Tilson
> *Subject:* Paladin 23cm Triplexer
>
> Hello David,
>
>
> We never forgot about you and based on inputs from you and other D-Star
> users as well, we set out to design a product that would not only need but
> exceed your expectations as well.
>
>
> We have been developing this one of a kind product and finally come up with
> a D-Star triplexer for your system. Based on the frequencies you provided,
> we chose the worst case scenario, where we would have the closest
> frequencies together. In other words, based on your frequency bands, we
> chose the following;
>
>
> TX ---------- 1271MHz
>
> RX ---------- 1291MHz and
>
> Data TX/RX - 1298MHz
>
>
> I have attached the results of our D-Star Triplexer for your perusal.
> Preliminary specifications are 1.5dB Insertion Loss and 85dB of rejection.
> These are not yet posted on the website but another customer from Western
> Canada who was already making inquiries at the same time you were, has
> already one of unit operational.
>
>
> We hope these meet your expectations and hope to hear from you soon.
>
>
> Wisdom
>
>
>  __._,_.___
>
>  Attachment(s) from David Tilson
>
> 3 of 3 File(s)
>   Aussie_Worst_Case_Triplexed_Pass_1271MHz.pdf<http://d.yimg.com/kq/groups/21095537/1620593420/name/Aussie_Worst_Case_Triplexed_Pass_1271MHz%2Epdf>
>   Aussie_Worst_Case_Triplexed_Pass_1291MHz.pdf<http://d.yimg.com/kq/groups/21095537/1387638909/name/Aussie_Worst_Case_Triplexed_Pass_1291MHz%2Epdf>
>   Aussie_Worst_Case_Triplexed_Pass_1298MHz.pdf<http://d.yimg.com/kq/groups/21095537/967645887/name/Aussie_Worst_Case_Triplexed_Pass_1298MHz%2Epdf>
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