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Circuit Stories on the Whiteboard... Understand, Build and Invent Circuits!* NEW * Opamp inverting currenttovoltage converter * NEW * 



Stories about Passive Converters 

Passive voltagetocurrent converter understand  build  invent 
Passive currenttovoltage converter understand  build  invent 

Stories about OpAmp Converters 

Opamp ammeter made by a galvanometer understand  build  invent 
Opamp inverting voltagetocurrent converter understand  build  invent  Opamp inverting currenttovoltage converter * NEW * understand  build  invent  
Transimpedance amplifier understand  build  invent 
Inverting opamp RC integrator understand  build  invent 
How do we create a virtual ground? understand  build  invent 

Stories about Constant Current Sources 

What is the philosophy of a constant current source? understand  build  invent 
(shortened) understand  build  invent 
(real loaded) understand  build  invent 

Simple BJT current source understand  build  invent 
Transistor current source with shifting diode understand  build  invent 
Transistor current source with shifting capacitor understand  build  invent 

Widlar opamp current source understand  build  invent 
Inverting opamp current source understand  build  invent 
Howland opamp current source understand  build  invent 

Stories about Negative Resistance 

How do we make dynamic resistance? invent 
How do we make decreased, zero and negative differential resistance? invent 
How do we make decreased, zero and negative resistance? invent 

Negative impedance converter (NIC) understand  build  invent 
How to Compensate Resistive Losses by Series Connected Negative Resistor invent 
How to Compensate Losses by Parallel Connected Negative Resistor invent 

Stories about Various OpAmp Circuits 

Current biased bridge 


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