Heath VTVM

[Ron]

I thought as much. My version replaced the top diode with a bridge
and added another resistor between the bridge output and the
electrolytic. This allowed me to use a smaller electrolytic. I do
not recall any loss in accuracy.

-- Ron


Neil Morrison wrote:

> ----- Original Message -----
> From: "Ron" <ra.ah at RCN.COM>
> 
> ...
> 
>>I have no idea what the circuit under discussion consists
>>of, but assume it is similar to the one I concocted.
> 
> 
> 
> 6.3 VAC
> 
>>  -------------------|
> 
>                        |
>                        |
>                        |
>                        V
>          IN4001        -
>                        |     +
>                        ------|----o To ohms circuit
>                        |    ===     2000 uF cap
>          IN4001        V    /-\
>                        -     |
>                        |     |
>                        |     |
>          IN4001        V     |
>                        -     |
>                        |     |
>                        |     |
>                       .-.    |
>             33 ohms   | |    |
>                       | |    |
>                       '-'    |
>                        |     |
>                        -------
>                        |
>                       ===
>                       GND
> (created by Andy´s ASCII-Circuit v1.26 beta www.tech-chat.de)
> 

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