12/5/09

PSpice / GNUCAP :: Hartley Oscillator

spice Hartley Oscillator

Hartley Oscillator Hartley Oscillator

*Hartley Oscillator
L1  102 0 0.033
C1  102 103 4.7u
L2  103 0 0.033
IS  0 104  PWL(0mS 0 .1mS 1m .2mS 1m .3mS 0   1mS 0 )
X2  103 104 102 AMP
.SUBCKT AMP 13 24 41
R11 11 12 1
X1  13 12 11    OPAMP
R21 11 22 1k
R24 24 22 1k
R22 22 21 0.7k
X2  0 22 21     OPAMP
R31 21 32 1k
R32 32 34 0.9k
R34 34 31 0.1k 
D31 34 31 Diode
D32 31 34 Diode
X3  0 32 31     OPAMP
R41 41 42 1
X4  31 42 41    OPAMP
.ENDS
.SUBCKT OPAMP 1 2 6
R_in    1 2     10MEG
E_gain  3 0 1 2 100k
R_p1    3 4     1k
C_p1    4 0     1.59p
E_buffer        5 0 4 0 1
R_out   5 6     10
.ENDS
.MODEL Diode D ()
.TRAN .1m 5m 0
.PLOT TRAN v(103) v(102) v(104)
.END
.

Hartley Oscillator

  • Oscillation frequency
       1/sqrt ( ( L1 + L2 ) C2 )
        
  • Oscillation Condition
       A > L1 / L2
        

    SEE ALSO

    spice Oscillator-Hartley ( TXT )

    spice Oscillator-Hartley ( Online )