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#1 2008-08-24 11:16:06
- W8DIZ
- Administrator
- Registered: 2008-08-12
- Posts: 317
PDS - Dual PIN Diode Switches for 2-30 MHz
Build these Universal PIN Diode Switches (2) for $8.
http://kitsandparts.com/pds.php
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#2 2008-09-26 07:56:23
- ak2b
- Administrator
- From: New York City
- Registered: 2008-08-12
- Posts: 338
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
Hi Diz,
I would like to order one but I don't see it on your 'Shopping' order page.
Tom, ak2b
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#3 2008-09-27 09:03:22
- W8DIZ
- Administrator
- Registered: 2008-08-12
- Posts: 317
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
Opps...
No wonder I've not received any orders for the PIN switches.
I fix that today.
Thanks for the heads up.
73, Diz,W8DIZ
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#4 2009-01-02 13:52:30
- AJ4MJ
- New member
- Registered: 2009-01-02
- Posts: 3
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
What is the power handling capacity of this circuit? I am interested in using these to switch a 140W amplifier in and out.
If I am doing my math correctly, the PIN diodes should be able to handle 800 watts. Do other parts of the circuit have lower limits?
73 de AJ4MJ
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#5 2009-01-02 14:55:07
- W8DIZ
- Administrator
- Registered: 2008-08-12
- Posts: 317
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
AJ4MJ wrote:
What is the power handling capacity of this circuit? I am interested in using these to switch a 140W amplifier in and out.
73 de AJ4MJ
These PIN switches are designed to handle 5 milliWatts (+7dBm) or less
-Diz
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#6 2009-01-02 19:38:57
- AJ4MJ
- New member
- Registered: 2009-01-02
- Posts: 3
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
Obviously I didn't do my math right :-)
Thanks for the info!
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#7 2009-03-11 13:04:38
- ki4mmm
- Member
- Registered: 2009-02-13
- Posts: 25
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
Diz,
I can see where these would come in real handy for switching lo-power RF on a multiband rig. Can you tell me, in the grand scheme of the "transceiver idea" (using your modules), are theyrequired anywhere? I ask because as best I can determine, all the needed switching is done on the other boards. In short, I'm ready to order what modules I think I need to complete a transceiver, but want to make sure I'm not missing something. I'm thinking along the lines of a 40m monobander.
Thanks,
Greg
ki4mmm
Last edited by ki4mmm (2009-03-11 13:06:41)
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#8 2009-03-11 13:36:13
- ki4mmm
- Member
- Registered: 2009-02-13
- Posts: 25
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
Actually, I'm going to put one on my order anyway - if I don't need it, I'll use it somewhere, plus it will be fun to play with and see a diode switch work (I've never built or used one).
Greg
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#9 2009-03-11 17:30:08
- kc0wox
- Member
- Registered: 2008-08-12
- Posts: 65
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
Not only that, they are dirt cheap! If it's left over, no big deal!
I have a frequency reference kit I haven't put together yet just because it was cheap and kind of neat!
I'm going to have a table at a local hamfest next month and there will be info on the toolkits for the taking.
Leonard
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#10 2009-03-12 11:00:29
- W8DIZ
- Administrator
- Registered: 2008-08-12
- Posts: 317
Re: PDS - Dual PIN Diode Switches for 2-30 MHz
ki4mmm wrote:
Diz,
I can see where these would come in real handy for switching lo-power RF on a multiband rig. Can you tell me, in the grand scheme of the "transceiver idea" (using your modules), are theyrequired anywhere?
Greg
ki4mmm
Hi Greg,
They are NOT required to build a transceiver if you use my other kits.
I only offer them for those folks that build stuff from scratch.
73, Diz
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