This document describes a PSpice model of an oscillator circuit. The model includes an equivalent circuit with resistors, capacitors, voltage sources and switches to simulate the oscillator. The document provides parameters for the high and low voltage levels and output current of the oscillator that can be set in the simulation.

1. IC Modeling
Device Modeling of
Oscillator
Using PSpice
14OCT2014
Bee Technologies Inc
Tsuyoshi Horigome

2. Equivalent Circuit
V1
5Vdc R1
OUT-E1
IN+
IN-OUT+
EVALUE
if (V(N_INPUT)>4,5,0)
100MEG
N_INPUT
0 0
0
R2
8.015k
C1
2.711n
IC = 0
Oscillator_INPUT
G1
IN-OUT+
OUT-IN+
GVALUE
OUT-E2
EVALUE
if (V(Oscillator_OUTPUT)>4,{IOUT},0)
0
D1
Dbreak
D2
Dbreak
V2
0.5Vdc
V3
3Vdc
0 0
IN+
IN-OUT+
1
if (V(Oscillator_INPUT)>(V(CAL_OUTPUT)+0.01),5,0)
OUT-E3
IN+
IN-OUT+
EVALUE
if (V(Oscillator_OUTPUT)>4,{LV},{HV})
0
R3
100MEG
CAL_OUTPUT
R4
10
C2
10p
IC = 0
Oscillator_OUTPUT
R5
100MEG
0 0 0
PARAMETERS:
HV = 2.5
LV = 1.25
IOUT = 5m
Oscillator
V
V

3. Simulation
Input
Output