Protolab 4.0 is a low cost circuit design and simulation package. Design circuits instantly by choosing from a long list of active and passive components including:

Wires, Junctions, Grounds
Resistors
Capacitors
Inductors
DC voltage sources
AC voltage sources
DC current sources
AD current sources
Diodes
Zener Diodes
Transistors
MOSFETS

Analyze circuits accurately utilizing a complete range of virtual test instruments

Including:
Voltmeter
Ammeter
Wattmeter
Oscilloscope
Ohmmeter

Use test instruments by simply placing probes at the desired node.

ProtoLab's Pre-designed Circuit Library Includes:
MOSFET & Transistor amplifiers
Bridges
Sinewave oscillators
Squarewave oscillators
Phase shift oscillators
Current mirrors
Integrators
Differentiators
Transistor & MOSFET monostables
LC oscillators
Tuned collector amplifiers
LC tuned circuits
Power supplies
Voltage stabilizers

How do I order?

1. You can order online with a credit card or PayPal (click the 'Add to Cart' button).

2. Call us at (800) 321-2155 and ask for product 01-646.

3. You can mail a check or money order for $57.90
(includes $7.95 for shipping/handling) to:

CIE Bookstore
1776 E. 17th Street
Cleveland, Ohio 44114

4. Western Union or Bank transfer.

5. You can fax your order to us at 216-781-0331.

Foreign shipping expense will be higher.