A Negative Resistance Device
Negative resistance where???
Negative resistance where???
Negative resistance where???
A change of terminology
A Perfect 100 W Power Supply
The Same 100 W Power Supply
Any Perfect Power Supply
High Line Impedance Issue
A Line Impedance Issue, CS101
A Line Impedance Issue, CS101
Stabilized Line Impedance
You might think you’re failing ….
A Seemingly Good Inverter
Overlap Effects (Bad!!!)
Don’t do it. Really!
How much heat can a heat sink sink when the metal gets bent?
Adding a thick block underneath the TO‐220 closes up the gap.
Power Factor
Power Factor for Sinusoidal Vin
The Power Factor Issue
An Issue With High Voltage
HV Resistor Damage
Distributed Capacitance
A Capacitive Ladder Network
In the extreme case:
Protecting an HV Divider
Treat These Things With Care!!
A Pretty Nice Design, Really
Kinda Messy Looking Data
Finding An Exponential Equation
The Equation Fits Pretty Well
Thermal Rise and Fall
A Mixed Blessing
Rdson Rises As Temp. Rises
Temp. Rise and Fall Before Fix
Temp. Rise and Fall After Fix
Plotting Some Alleged Data
Dirty Doings Were Afoot!!!
The D‐type Flip‐Flop Problem
Using an RC in the Q* to D Path
Making A 10 MHz Oscillator
One Motor, Two Line Voltages
Transient Protector Peril
From MIL‐STD‐704A
MIL‐STD‐704A Transients
Picking A Transient Protector
1N6284A Peak Power Equation
Finding The Value of “R”
For T = 0 to Tmax, Find Rmax
A Possibly Surprising Result
With Power Derating
Diode Protection Resistance
Measuring Loop Gain
Measuring Loop Gain
Transformer Coupling of “E test”
Power Supply Loop Gain
Isolation Barrier Circuit
Isolation Barrier Circuit
Isolation Barrier Circuit
Agilent 4395A Analyzer
Making The Transformer
Making The Transformer
Gain Measurement Set‐Up
Gain plot with 0 dBm
Gain plot with –3 dBm
Gain plot with –6 dBm
Gain plot with –9 dBm
Gain plot with –10 dBm
Gain plot with –12 dBm
The whole bunch of them.
Bias for the primary side.
The culprit zener!
The remedy
Stabilized gain and phase
Stabilized gain
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