[TowerTalk] Relay lightening protection

[Eric - VE3GSI]

Hi Roger,

> 
> 4.   How do you detect a blown diode BEFORE turning on the power?
> Other than a resistance test for open or short while remembering the
> resistance of the coil is across the diode I can't think of a simple
> test.
>

A simple junction tester will work just fine. I have a homebrew one that I
built years ago to use with my oscilloscope.

73 Eric - VE3GSI


> -----Original Message-----
> From: Roger (K8RI)
> Sent: January-30-09 9:05 PM
> Cc: towertalk at contesting.com
> Subject: Re: [TowerTalk] Relay lightening protection
> 
- - content clipped - -

> 
> 4.   How do you detect a blown diode BEFORE turning on the power?
> Other
> than a resistance test for open or short while remembering the
> resistance of the coil is across the diode I can't think of a simple
> test.
> 
> 73
> 
> Roger (K8RI)