I have designed my circuit for the frequency range up to 2700MHz. I think there is no problem with the circuit. Is there a PCB material issue?
It seems thickness between L1 and L2 is 0.15mm.L1 TOP 0.035 Finish Copper
0.150 2*1080 preprag
L2 GND 0.035 Inner layer
Loss in dBm?
If you need an answer, give accurate information and answer questions.
As BigBoss asked in #2: what circuit?
I have designed a Mixer board.
Merged post with previous same-topic thread. Same problem as before, effectively no info about circuit and layout.
"Bare PCB with just one SMA" makes no sense. How do you connect generator and analyser?
Input from signal generator is given to SMA. And to see the output on Spectrum Analyzer, I am using the RF Probe.
I agree on FvM's doubts.
What "RF Probe"? How and where is it connected? Is it high impedance and if yes, how did you terminate the 50 Ohm on the PCB?
RF Probe that I am using to get spectrum is- RF Probe – 3 GHz – P20A (Auburn Technology).
dBm power readings :
20dB Attenuation: When Probing
50 ohm RF Circuits
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