Tunnel Diode: Tunnel Diode I-V Curve Plotting Chat Selfie Walkthrough

Wednesday 09 2020

Tunnel Diode I-V Curve Plotting Chat Selfie Walkthrough

Step 1

Step 2 - Circuit Fantasist's setup

Step 3

Step 5

Step 6

Step 7 - Triangular Wave to use and Tektronix Curve Tracing Results

Step 8 - AD5933 Impedance Converter to measure tunnel diode resistance and inductance (also for bio sensor for a side project)

.END

Circuit fantasistDecember 11, 2020 at 3:47 PM
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Circuit fantasistDecember 11, 2020 at 3:54 PM
I think the best way to measure and plot IV curves is based on a computer. Apple II was very suitable for this purpose with its graphic features. The monitor software had a function "plot a point" that could be used by an additional program written in Assembler. In this way, in the late 80s, a few students and I created MICROLAB system. The AD periphery consisted of 12-bit DAC and ADC. Later, one of these capable students, created MICROLAB BASIC - an expansion to the embedded BASIC. It consisted of a set of assembler drivers called by commands like "IN", "OUT", "PLOT", etc...
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