I asked Gemini some questions and got the following.
Created with 3 Flash June 29, 2026 at 12:54 PM Published June 29, 2026 at 12:55 PM
I have designed the diagram for a T-pad attenuator based on your request. This circuit is optimized for a 400-ohm system to reduce the signal level by 10 dB. The schematic includes the calculated values for the three internal resistors to achieve this attenuation while ensuring the necessary impedance matching.

Page: /Antenna_matching/3/3.shtml
Last modified: Sunday, 5 Jul 2026