Differential Amplifier Amplitude Modulators tasks

Differential Amplifier Amplitude Modulators tasks

1 task

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E₁ = 15V

E₂ = -15V

V_BE = 0,7V

v_n = 0,1sin(2πfnt)V

f_n = 5kHz

v_m = 1sin(2πfmt)V

f_m = 0,5kHz

R₃ = 5kΩ

R₆ = 5kΩ

R₇ = 4,3kΩ

R₉ = 50kΩ

I = 0,2mA

m = ?

V_OUTn = ?

V_OUTm = ?

 

Differential Amplifier Amplitude Modulators Formulas:

 

2 task

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E₁ = 15V

E₂ = -5V

V_BE = 0,7V

v_n = 0,2sin(2πfnt)V

f_n = 5kHz

v_m = 1sin(2πfmt)V

f_m = 0,5kHz

R_C = 1kΩ

R₄ = 4,3kΩ

m = ?

V_OUTn = ?

V_OUTm = ?

Differential Amplifier Amplitude Modulators Formulas:

 

3 task

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E₁ = 15V

E₂ = -15V

V_BE = 0,7V

R = 4,7kΩ

R₁ = 4kΩ

R₂ = 4kΩ

R₃ = 3,6kΩ

R₆ = 50kΩ

R₈ = 10kΩ

I = 0,2mA

a) v_n = 0,01sin(2πfnt)V

v_m = 0V

V_OUTn = ?

b) m = ?

v_m = 3,6sin(2πfmt)V

Differential Amplifier Amplitude Modulators Formulas: