Hello, thanks for the answer! VCC= 10V;VCM = 1.5V;vg is a sine wave with a frequency of 1 kHz. Its amplitude will be chosen so as to ensure minimal distortion of the output signal (i.e. voshould also be a sine wave); R1= 15kΩ ;Welcome to AAC!
The nice thing about a simulation is that you can choose component values and see what happens without frying anything.
What is the frequency of your signal Vg?
For starters, I'd suggest :-
Choose C∞ to have a reactance which is much smaller than R1 at that frequency.
Replace I1 with a voltage source as per the reference circuit.
Choose a supply voltage (Vcc).
Choose Vcm to be around Vcc/2 (for both Q1 and Q2 base bias inputs).
Keep Vg peak-to-peak voltage less than Vcm to avoid waveform clipping.
Choose R2 to give a bias current of, say, 100uA.
Have fun!