Re: Hybrid Coil (was Coil Efficiency)
Sent: Thursday, July 31, 1997 6:37 AM
Subject: Re: Hybrid Coil (was Coil Efficiency)
In a message dated 97-07-31 02:10:31 EDT, you write:
> If in PSPICE an appropriate capacitor (7.5 nF for my coil) is connected
> across the lower 1/12 of the secondary on a standard coil, then the
> operation of the coil is almost identical to that of a magnifier, according
> to PSPICE. This is because the K values between the primary and the lower
> 1/12 of a secondary of a typical coil are around 0.4, whereas coupling to
> the upper 1/12 may be less than 0.01. The point where the 7.5nF cap is
> connected defines exactly where the 'tap' is along the secondary.
This "tapping" on a 2 coil system is something I've been wanting to
try but never did. Does PSPICE predict an improved performance
when the 7.5nF cap is added to the secondary coil?