Re: Steve ugly-build LZ1AQ using MPS2222 sweeps uploaded to Photos
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On Friday, January 24, 2025 at 06:28:02 a.m. EST, Paul V Birke via groups.io <nonlinear@...> wrote:
Always wondered what about R1 and R2 being replaced by separate current sources?
Simple FET ones or Full Wilson with matching transistors (THAT Corp sells chip with 4 matched HF transistors)
Would be worth a try even if just running a model to see any serious positive effect.
best Paul
On Thursday, January 23, 2025 at 11:41:47 p.m. EST, vbifyz via groups.io <3ym3ym@...> wrote:
On Thu, Jan 23, 2025 at 07:11 PM, <biastee@...> wrote:
Imbalance between top and bottom sections affects IP2 (which I don't see in the measurements), and not so much IP3.
Otherwise, very good and thorough work.
?
73, Mike AF7KR
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