[Amps] Designing the Cleanest Linear with RF Negative Feedback

[gdaught6@stanford.edu]

On 18 Dec 2005 at 15:55, wc6w at juno.com wrote:

< snip, snip >

>   I don't know the numbers on the 4CX3000A, but, assuming it lives
>   somewhere around -30dB (3rd Order) at full power, running it at 1/3
>   power (1500 watts) should get it down to perhaps -45 dB  

I believe that IMD on the 4cx3000a is actually tested before shipping 
to guarantee -32db and -37db, and "typical operation" says -35db and -
40db at 5300W out!  So Marv's estimate of -45db at 1500W should be 
within reach. 

73,

 

George T. Daughters, K6GT