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#1
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Richard Clark wrote:
Using what probes? Toroidal current pickup coils designed by W7EL with the standard voltage probes. -- 73, Cecil http://www.w5dxp.com |
#2
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On Wed, 05 Dec 2007 15:43:11 GMT, Cecil Moore
wrote: Richard Clark wrote: Using what probes? Toroidal current pickup coils designed by W7EL with the standard voltage probes. What size 600 ohm non-inductive resistors? |
#3
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Richard Clark wrote:
On Wed, 05 Dec 2007 15:43:11 GMT, Cecil Moore wrote: Richard Clark wrote: Using what probes? Toroidal current pickup coils designed by W7EL with the standard voltage probes. What size 600 ohm non-inductive resistors? 50 watt devices removed from a military surplus antenna tuner. I have a number of these devices if anyone needs them. -- 73, Cecil http://www.w5dxp.com |
#4
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On Wed, 05 Dec 2007 15:43:11 GMT, Cecil Moore
wrote: Toroidal current pickup coils designed by W7EL with the standard voltage probes. What did you load those pickup coils with? Do you have an URL to the design? |
#5
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Richard Clark wrote:
On Wed, 05 Dec 2007 15:43:11 GMT, Cecil Moore wrote: Toroidal current pickup coils designed by W7EL with the standard voltage probes. What did you load those pickup coils with? Do you have an URL to the design? It was in an article by Roy, W7EL, but I can't lay my hands on it at the moment. -- 73, Cecil http://www.w5dxp.com |
#6
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On Wed, 05 Dec 2007 22:02:50 -0600, Cecil Moore
wrote: Richard Clark wrote: On Wed, 05 Dec 2007 15:43:11 GMT, Cecil Moore wrote: Toroidal current pickup coils designed by W7EL with the standard voltage probes. What did you load those pickup coils with? Do you have an URL to the design? It was in an article by Roy, W7EL, but I can't lay my hands on it at the moment. What did you load those pickup coils with? |
#7
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Richard Clark wrote:
What did you load those pickup coils with? Sorry, I don't remember. I just copied what W7EL suggested. It may have been a 50 ohm carbon resistor at the end of a length of 50 ohm coax. -- 73, Cecil http://www.w5dxp.com |
#8
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On Wed, 05 Dec 2007 15:43:11 GMT, Cecil Moore
wrote: Richard Clark wrote: Using what probes? Toroidal current pickup coils designed by W7EL with the standard voltage probes. What voltages did they present to the O'scope? |
#9
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Richard Clark wrote:
What voltages did they present to the O'scope? Sorry, I don't remember and can't find my lab notebook at the moment. -- 73, Cecil http://www.w5dxp.com |
#10
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On Thu, 06 Dec 2007 13:00:06 GMT, Cecil Moore
wrote: Richard Clark wrote: What voltages did they present to the O'scope? Sorry, I don't remember and can't find my lab notebook at the moment. What was used as the phase reference? |
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