How are R1/R2 calculated?
Does gain depends on them?
Suggested values for 3.3V operation in order to get max power output?
Schematic is:
Thank you in advance
How are R1/R2 calculated?
Does gain depends on them?
Suggested values for 3.3V operation in order to get max power output?
Schematic is:
Thank you in advance
For 3.3V operation, the suggested bias settings:
Vcc1 = Vcc2 = Vbias= 3.30 V
Icc1q = 40 mA, Icc2q = 37 mA
R1 510 Ohm
R2 1000 Ohm
Also, change C4=18pF -> 12pF+2.2pF. Other components remain the same as in this schematics.
The resulting small signal gain is 34.5dB, P1dB = 28.2dB @433MHz
Have a great day,
Pavel
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