Frequency Response Of A JFET Amplifier

** Circuit Description **
* power supply
Vdd 1 0 DC +20V
* input signal and source resistance
Vi 7 0 AC 1V
R 7 6 100k
* JFET amplifier circuit
J1 2 3 4 n_jfet
Rg1 1 3 1.4Meg
Rg2 3 0 0.6Meg
Rd 1 2 5k
Rs 4 0 3.5k
* by-pass and coupling capacitors
Cs 4 0 6.83uF
Cc1 6 3 0.03uF
Cc2 2 5 1.06uF
* load
Rl 5 0 10k
* n-channel jfet model statement
.model n_jfet NJF (beta=2m Vto=-2V lambda=0)
** Analysis Requests **
.OP
.AC DEC 10 1Hz 1kHz
** Output Requests **
.PLOT AC VdB(5)
.probe
.end