All these factors are supply-voltage-dependent. Another factor for low-duty-cycle designs that does not apply to high-duty-cycle designs is the effect of the R B bypass diode, D 1 (Figure 2), required ...

Transform your product pages with embeddable schematic, ... This was shown in the “Inductor-based astable 555 timer circuit”. In Figure 1, we present another approach for an inductor-based astable 555 ...

LTSpiceIV, available from Linear Technology, allows you to construct moderately complex 555 driven circuits including common components such as capacitors, resistors, diodes, FETs, and more.

Let’s Look at the Schematic. In a PWM circuit, the 555 timer will output a logic signal “high” and “low” depending on a ratio derived by ... diodes D1 and D2, potentiometer P1, and ...

By focusing on the simplest 555 circuits, [Diode] can show just what each pin on the chip does, using an outsized schematic that reflects exactly what’s going on with the breadboarded circuit ...