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Total 39 documents matching your query.

1. [AMPS] Bird Meters (score: 1): Author: bobs@isquare.com (Bob Sullivan); Date: Fri, 08 Feb 2002 20:55:05 -0500; I'm looking for a couple of the meters that are used in the Bird 43. Does anyone have any they would like to sell or know where I can get them? 73, Bob W0YVA -- FAQ on WWW: http://www.contesting.com/; /archives//html/Amps/2002-02/msg00077.html (6,738 bytes)
2. [AMPS] Bird Meters (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 11 Feb 2002 08:01:35 -0800; They are available as spare parts from any authorized Bird distributor. As they are 30uA movements, I don't know of any "replacements" other than buying them from Bird. Richardson Electronics used t; /archives//html/Amps/2002-02/msg00085.html (7,734 bytes)
3. [AMPS] Bird Meters (score: 1): Author: mike.tubby@thorcom.co.uk (Michael J. Tubby B.Sc. (Hons) G8TIC); Date: Mon, 11 Feb 2002 17:14:54 -0000; Does "replacements" the I recall seeing these in the Surplus Sales (Nebraska) catalogue - can't put my hands on mine right now. Mike G8TIC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submission; /archives//html/Amps/2002-02/msg00087.html (7,807 bytes)
4. [AMPS] Bird Meters (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 11 Feb 2002 16:32:45 -0600; I buy my Bird stuff direct from the factory. Great folks to deal with, and fast service. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Adminis; /archives//html/Amps/2002-02/msg00092.html (7,450 bytes)
5. [AMPS] Bird meters (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 2 Oct 2000 07:30:46 +0100; Does anyone know if Bird thruline meters are linear meters (i.e. deflection directly proportional to current) with a non-linear scale, or if they are non-linear meters (i.e. deflection proportional t; /archives//html/Amps/2000-10/msg00015.html (7,714 bytes)
6. [AMPS] Bird meters (score: 1): Author: eb5agv@ctv.es (JOSE V. GAVILA (EB5AGV/EC5AAU)); Date: Mon, 02 Oct 2000 08:46:08 +0200; Hi Peter & List, with Good question :-)! I can do some test in my Bird 43 because my unit has a mod (already done when I bought it) which is a BNC connector installed at one of the lateral slug recep; /archives//html/Amps/2000-10/msg00017.html (8,640 bytes)
7. [AMPS] Bird meters (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 2 Oct 2000 07:47:43 +0100; Hi Jose, Thanks. Look forward to the results. 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Pr; /archives//html/Amps/2000-10/msg00018.html (7,922 bytes)
8. [AMPS] Bird meters (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Sun, 1 Oct 2000 21:12:15 -1000; Peter wondered: Well, the element circuit appears as a simple AM detector; diode, shunt cap to gnd, with a series R into the microammeter. Therefore, would not the current be the usual square-law rel; /archives//html/Amps/2000-10/msg00020.html (8,536 bytes)
9. [AMPS] Bird meters (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 2 Oct 2000 08:39:14 +0100; No, Jim, you understand the question fine. I'm not too sure that's the answer I want though! With Bird replacement meters at $70a pop, I'm hoping that a rescaled conventional meter and an op amp to d; /archives//html/Amps/2000-10/msg00021.html (8,656 bytes)
10. [AMPS] Bird meters (score: 1): Author: bknox@rfapps.com (Bruce R. Knox); Date: Mon, 2 Oct 2000 07:09:09 -0400; Peter: The elements most of us use require a 30 microamp meter. We have connected them to an amplifier and a-to-d using resistors to present this load. They mark the meter face to achieve the transla; /archives//html/Amps/2000-10/msg00022.html (9,814 bytes)
11. [AMPS] Bird meters (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 2 Oct 2000 07:46:42 -0400; They're reasonably linear movements. As I recall about 1300 ohms with 39 mV full scale. Be sure to load the detector with 1300 ohms while making measurements because the meter movement is the bulk o; /archives//html/Amps/2000-10/msg00023.html (8,352 bytes)
12. [AMPS] Bird meters (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 2 Oct 2000 12:54:12 +0100; Thanks for the comment, Tom: I measured it as 1430 ohms, but I'm figuring 1400 is probably close enough. Of course, it doesn't alter the fact that readings are only guaranteed to 5% of FSD any how. 7; /archives//html/Amps/2000-10/msg00025.html (8,593 bytes)
13. [AMPS] Bird meters (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Mon, 02 Oct 2000 10:08:10 -0400; Peter, Your use of an op amp to buffer the current to the meter current of your choice will work fine since the meter itself is linear. Just make sure that the input of the op amp looks like 1400 ohm; /archives//html/Amps/2000-10/msg00036.html (10,489 bytes)
14. [AMPS] Bird meters (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 2 Oct 2000 15:22:46 +0100; I can even add peak reading! (although I probably won't bother) Tnx fer the help, guys. Makes a change from wrangling about parasitics! 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amp; /archives//html/Amps/2000-10/msg00037.html (8,788 bytes)
15. [AMPS] Bird meters (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 2 Oct 2000 09:33:30 -0500; Hi Peter, Henry has done this for years on their RF generators. They use a dual Bird line section with op-amp driven 100 ua meters. The meter readings are accurate and linear. No need for special sc; /archives//html/Amps/2000-10/msg00040.html (8,661 bytes)
16. [AMPS] Bird meters (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Mon, 02 Oct 2000 10:34:15 -0400; Peter, There is a company in the US that builds a small circuit board adapter that allows you to switch from to peak readings if you like. Their web page is http://www.rust.net/~hires/ -- 73, Harry,; /archives//html/Amps/2000-10/msg00042.html (9,984 bytes)
17. [AMPS] Bird meters (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 2 Oct 2000 15:39:24 +0100; I suppose nobody has got the holes for the meters to mount on the panel in? Guess I'll have to just cut those myself!!! 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: a; /archives//html/Amps/2000-10/msg00043.html (8,696 bytes)
18. [AMPS] Bird meters (score: 1): Author: ewell@cvc.net (Edward Ewell); Date: Mon, 02 Oct 2000 08:23:23 -0700; Peter: I have one of the kits in my Bird watt meter, works excellent. Highly recommend it, your amp tubes last longer and you really know what is going to the antenna. Ed K7DXV -- FAQ on WWW: http://; /archives//html/Amps/2000-10/msg00045.html (10,822 bytes)
19. [AMPS] Bird meters (score: 1): Author: chg@logicio.com (Carsten Groen); Date: Mon, 2 Oct 2000 17:01:55 +0200; You can get a bucket full of holes from me :-) Carsten OZ9AAR www.logicio.com/cgroen -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-R; /archives//html/Amps/2000-10/msg00046.html (9,560 bytes)
20. [AMPS] Bird meters (score: 1): Author: k7fm@teleport.com (Colin Lamb); Date: Mon, 2 Oct 2000 08:56:13 -0700; Are you willing to pay for the shipping of the holes, Carsten, and what about customs? British cutoms may want a Certificate of Origin. If they come to the US, then we need a certificate that childre; /archives//html/Amps/2000-10/msg00047.html (9,147 bytes)

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