Hartley oscillator. I simulated another one-transistor circuit, this time a Hartley oscillator, shown in Figure 4. The LTSpice simulated output appears in Figure 5. The oscillation frequency is ...

TV to FM Converter Circuit. A BF494 transistor, along with resistors R1 and R2, is used to bias the transistor. Capacitor C1 is connected to the base of T1 and the +9V supply, while capacitor C2 is ...

In Flight Paths, science author Rebecca Heisman details the fascinating history of modern bird migration research and the pioneering ornithologists that helped the field take off.

Your circuit creates the current ratio based on a resistor drop between the supply and Vbe of Q2. As temperature changes, Q2’s Vbe changes (the whole point of the exercise). But, there is the Early ...

Examine a discrete oscillator circuit today and you’ll likely find an operational amplifier with components in a feedback loop that cause the oscillation. In many cases, oscillators implemented with ...

Samsung Display has improved upon its QNED (quantum dot nanorod LED) display technology to a near production level. The company is expected to start investing in production equipment by 2021, and ...

RC Phase Shift Oscillator . A simple RC phase shift oscillator provides a minimum phase shift of 60 degree. Above image is showing a single pole phase shift RC network or ladder circuit which shifts ...