요청 내용
“A two-transistor astable multivibrator on 5 V: two NPN transistors with 1k collector resistors and 22k base resistors, cross-coupled through two 10 µF timing capacitors.”
그렇다면Put an LED in series with each collector resistorChange the capacitors so it flips about twice a second
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01
Used two NPN transistors (Q1, Q2) with cross-coupled capacitors for regenerative switching.
02
Selected collector resistors (1k) and base bias resistors (22k) to ensure stable oscillation.
When a simple, low-cost astable multivibrator is needed for clock signals, LED flashers, or PWM generation in hobbyist or educational projects.