PSN-L Email List Message

Subject: Re: Resistive Damping
From: "James Hannon" jmhannon@.........
Date: Thu, 24 Aug 2006 07:05:27 -0500

There is really no reason to cut into the wires to add the damping resistor. Just connect the resistor across whatever the RCA plug is connected to.
Jim H

---------- Original Message ----------------------------------
From: John Popelish 
Reply-To: psn-l@..............
Date:  Wed, 23 Aug 2006 19:21:31 -0400

>Benji Johnson wrote:
>> The coil that I am using is wound with #34 wire, and has a resistance of 2,330 ohms.
>> 1)  Is there a technique to cutting through the insulation to get to the wires?
>I use a butane lighter to burn the insulation off, followed by a light 
>abrasion by pulling the end from a folded fine sandpaper (600 grit 
>silicon carbide).  Then it can easily be tinned.
>> 2)  Once down to the wire, what is the best way to go about connecting the resistors to the leads?
>I would solder to a pair of flexible lead wires  that are anchored to 
>the coil with tape.
>> 3)  I know that the resistors need to be wired in parallel, 
>> but what is the best way to connect the resistors to each other?
> > Twist together, solder, or use a solderless breadboard mounted 
>between the leads?
>You might start with a variable resistor soldered to the lead wires. 
>That makes adjustment very easy.  Once you have found the desired 
>response, select a standard resistor with about that value, to replace 
>the adjustable.  You can connect that final resistor to the terminals 
>on the jack that the lead wires terminate on.
>Public Seismic Network Mailing List (PSN-L)
>To leave this list email PSN-L-REQUEST@.............. with 
>the body of the message (first line only): unsubscribe
>See for more information.

Jim Hannon

Public Seismic Network Mailing List (PSN-L)

[ Top ] [ Back ] [ Home Page ]