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[AMPS] PI-L network inductor wire sizes

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Subject: [AMPS] PI-L network inductor wire sizes
From: (Rich Measures)
Date: Tue, 9 Feb 1999 14:47:50 -0800

>  In a PI-L output network, is the RF current the same or different in the PI
>inductor (L1) and the L inductor (L2) ? 
>    On the one hand, it would seem that the currents would be the same since
>the inductors are in series. However on the other hand, since the network 
>is a
>stepdown impedance transformer, it would seem that the current in L2 would be
>greater than in L1 due to the transformer action.
>    In most of the amp designs that I have seen, the 10 meter portion of L1
>typically is 1/4" tubing and the 10 meter portion of L2 is #12 gauge wire.
>     If the current is the same or greater in L2, why shouldn't the conductor
>of L2 be at least as large or larger than that of L1 ?

? The circulating current in L1, the main tank coil is approx 
anode-current x Q  (typ. 11A-rms).  The current in L2 is the same as the 
current in the 50-ohm load.  (typ 5.5A-rms).  

>     Thanks to anyone who can clear this up for me.
>  73       Don     K9MUF
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