NE68118 NONLINEAR MODEL

MODEL RANGE

Frequency:

0.05 to 5.0 GHz

Bias:

Date:

5/29/96

Parameters

68118

0.07e-12

0.01e-12

1.16e-9

1.54e-9

0.83e-9

0.09e-12

0.51e-12

0.25e-12

0.18e-9

0.8e-9

0.09e-9

ADDITIONAL PARAMETERS

Parameter

Units

time

seconds

capacitance

farads

inductance

henries

resistance

ohms

voltage

volts

current

amps

UNITS

SCHEMATIC

(1) Gummel-Poon Model

Parameters

Q1

Parameters

Q1

IS

2.7e-16

MJC

0.56

BF

185

XCJC

0

NF

1.02

CJS

0

VAF15

VJS

0.75

IKF

0.055

MJS

0

ISE

1.77e-11

FC

0.5

NE

2.1

TF

14e-12

BR

1

XTF

3

NR

1

VTF

25

VAR

Infinity

ITF

0.1

IKR

Infinity

PTF

0

ISC

0

TR

0.3e-9

NC

2

EG

1.11

RE

0.6

XTB

0

RB

12

XTI

3

RBM

3.7

KF

0

IRB

1.2e-5

AF

1

RC

8

CJE

1.2e-12

VJE

0.77

MJE

0.5

CJC

0.8e-12

VJC

0.27

Base

Emitter

Collector

Q1

NE681 SERIES

Note:

1. This nonlinear model utilized the latest data available. See our Design Parameter Library at www.cel.com for this data.