Looking for inductance values for 40-748 and 40-602

Tom Chesek tchesek at EPIX.NET
Wed Aug 13 16:56:27 EDT 2008


Bob and others who might want to know,

According to the 1984 Heath Master Parts List the 40-602 is 4.95 uh, the 
40-746 is 550 uh, the 40-747 is 190 uh, and the 40-748 is 24 uh. I hope this 
helps.

Tom K3TVC


----- Original Message ----- 
From: "Robert Groh" <rgroh at SWBELL.NET>
To: <HEATH at LISTS.TEMPE.GOV>
Sent: Wednesday, August 13, 2008 12:29 AM
Subject: [HEATH-TEMPE] Looking for inductance values for 40-748 and 40-602


> Hoping some one out there is Heath land might have inductance values for 
> the following two variable inductors:
> 40-748    variable, in a shield can
> 40-602    variable, no shield can
>
> Both are used in the Vertical Amplifier for 3395 kHz input service. I can 
> calculate approximate value but would like to back up my calculations with 
> a reality check.
>
> Thanks.
>
> 73
> Bob Groh, WA2CKY

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