DXF file for MHT1008N 2450 MHz design is provided on the device product page:
https://www.nxp.com/products/rf/rf-power/rf-cooking/2450-mhz-rf-cooking/2450-mhz-12-5-w-cw-28-v-rf-l...
Load pull contours are available in the datasheet pages 5 and 6. You can start designing matching and bias networks using these recommended impedance values. You can optimize your design for either maximum P1dB, P3dB power or maximum efficiency.
We have no any dedicated length of transmission lines since the actual layout would depend on substrate and your application requirements: frequency bandwidth, dimensional constrains...
NXP 2450 MHz design provides input matching consisting of two TL segments and a capacitor. Output matching consist of three TL segments and a capacitor. Primary purpose of this layout is to provide optimal performance in wider frequency range 2400..2500MHz.
For a narrowband design (single operating frequency), the matching circuit coud be simplier.
Have a great day,
Pavel
TIC
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