Wien Bridge
This Vienna bridge oscillator generates a sinusoidal signal whose frequency depends basically on C2 and C4. The circuit is from an Electronics Now from December 1993.
This circuit beeps when the car's turn signal is activated. The circuit is from an old English...
This is a one-channel application for the Texas Instruments TMP390 sensor obtained directly from...
Or integrated circuit used in this circuit two years 80 and little common in those days. The two...