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• ## RE: [softrock40] identifying the toroids in the Ensemble RXTX kit

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• You are correct. The T37 cores are .37 inches in diameter. The T25 cores are .25 inches in diameter. TonyTo: softrock40@yahoogroups.com From: pawlud@gmail.com
Message 1 of 7 , Nov 7, 2012
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You are correct. The T37 cores are .37 inches in diameter. The T25 cores are .25 inches in diameter.

Tony

To: softrock40@yahoogroups.com
From: pawlud@...
Date: Wed, 7 Nov 2012 21:37:35 +0000
Subject: [softrock40] identifying the toroids in the Ensemble RXTX kit

My option is for 20 and 40 meters.
I can sort the yellow toroids, but as I do not have a caliper to measure the exact od, and confirm completely. I do not like to have to unsolder coils.

The yellow toroids are packed as small, medium and large.
So, can I assume that T37-6 is the medium
And T25-6 is the smallest
Am I correct ?

Paul

• Yes. They are size in English fractional decimal units, so T25 is 1/4 or about the diameter of a wooden pencil, and the T37 is about 3/8 , or about the
Message 1 of 7 , Nov 7, 2012
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Yes. They are size in English fractional decimal units, so T25 is 1/4" or about the diameter of a wooden pencil, and the T37 is about 3/8", or about the diameter of a piece of chalk - if you're old enough to remember that.

On Wed, Nov 7, 2012 at 3:37 PM, pauldebono@... wrote:

My option is for 20 and 40 meters.
I can sort the yellow toroids, but as I do not have a caliper to measure the exact od, and confirm completely. I do not like to have to unsolder coils.

The yellow toroids are packed as small, medium and large.
So, can I assume that T37-6 is the medium
And T25-6 is the smallest
Am I correct ?

Paul

• T37 is the largest, The T30 is the medium and the T25 is the smallest. 73, Tim Herrick, KQ8M Charter Member North Coast Contesters kq8m@kq8m.com AR-Cluster V6
Message 1 of 7 , Nov 7, 2012
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T37 is the largest, The T30 is the medium and the T25 is the smallest.

73,

Tim Herrick, KQ8M

Charter Member North Coast Contesters

kq8m@...

AR-Cluster V6 kq8m.no-ip.org

User Ports: 23, 7373  with local skimmer, 7374 without local skimmer

Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606

From: softrock40@yahoogroups.com [mailto:softrock40@yahoogroups.com] On Behalf Of pauldebono@...
Sent: Wednesday, November 07, 2012 4:38 PM
To: softrock40@yahoogroups.com
Subject: [softrock40] identifying the toroids in the Ensemble RXTX kit

My option is for 20 and 40 meters.
I can sort the yellow toroids, but as I do not have a caliper to measure the exact od, and confirm completely. I do not like to have to unsolder coils.

The yellow toroids are packed as small, medium and large.
So, can I assume that T37-6 is the medium
And T25-6 is the smallest
Am I correct ?

Paul

• And -6 is yellow, -2 is red. ... -- Cheers, Robby Richard R. (Robby) Robson LTC USA (RET) www.wb5rvz.com www.wb5rvz.org www.rafino.org
Message 1 of 7 , Nov 7, 2012
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And "-6" is yellow, "-2" is red.

On Wed, Nov 7, 2012 at 3:49 PM, KQ8M <kq8m@...> wrote:

T37 is the largest, The T30 is the medium and the T25 is the smallest.

73,

Tim Herrick, KQ8M

Charter Member North Coast Contesters

AR-Cluster V6 kq8m.no-ip.org

User Ports: 23, 7373  with local skimmer, 7374 without local skimmer

Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606

From: softrock40@yahoogroups.com [mailto:softrock40@yahoogroups.com] On Behalf Of pauldebono@...
Sent: Wednesday, November 07, 2012 4:38 PM
To: softrock40@yahoogroups.com

Subject: [softrock40] identifying the toroids in the Ensemble RXTX kit

My option is for 20 and 40 meters.

I can sort the yellow toroids, but as I do not have a caliper to measure the exact od, and confirm completely. I do not like to have to unsolder coils.

The yellow toroids are packed as small, medium and large.
So, can I assume that T37-6 is the medium
And T25-6 is the smallest
Am I correct ?

Paul

--
Cheers,
Robby

Richard R. (Robby) Robson
LTC USA (RET)

• See also http://www.wb5rvz.com/sdr/common/Common_Component_Mounting.htm#inductors ... -- Cheers, Robby Richard R. (Robby) Robson LTC USA (RET) www.wb5rvz.com
Message 1 of 7 , Nov 7, 2012
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On Wed, Nov 7, 2012 at 4:37 PM, R. R. (Robby) Robson wrote:
And "-6" is yellow, "-2" is red.

On Wed, Nov 7, 2012 at 3:49 PM, KQ8M <kq8m@...> wrote:

T37 is the largest, The T30 is the medium and the T25 is the smallest.

73,

Tim Herrick, KQ8M

Charter Member North Coast Contesters

AR-Cluster V6 kq8m.no-ip.org

User Ports: 23, 7373  with local skimmer, 7374 without local skimmer

Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606

From: softrock40@yahoogroups.com [mailto:softrock40@yahoogroups.com] On Behalf Of pauldebono@...
Sent: Wednesday, November 07, 2012 4:38 PM
To: softrock40@yahoogroups.com

Subject: [softrock40] identifying the toroids in the Ensemble RXTX kit

My option is for 20 and 40 meters.

I can sort the yellow toroids, but as I do not have a caliper to measure the exact od, and confirm completely. I do not like to have to unsolder coils.

The yellow toroids are packed as small, medium and large.
So, can I assume that T37-6 is the medium
And T25-6 is the smallest
Am I correct ?

Paul

--
Cheers,
Robby

Richard R. (Robby) Robson
LTC USA (RET)

--
Cheers,
Robby

Richard R. (Robby) Robson
LTC USA (RET)

• Hi, Paul Pse refer to the URL bellow. http://toroids.info/ You are able to get very usefull info, such as size,freq range ,inductance,.. etc. DE JA1TLH/Taka
Message 1 of 7 , Nov 7, 2012
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Hi, Paul

Pse refer to the URL bellow.
http://toroids.info/

You are able to get very usefull info, such as size,freq range
,inductance,.. etc.

DE JA1TLH/Taka
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