HA17901A Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

fabricante

HA17901A

Quadruple Comparators

Renesas Electronics 

HA17901A Series

2. Pulse Generator

The charge and discharge circuits in the circuit from figure 1 are separated by diodes in this circuit. (See figure 3.)

This allows the pulse width and the duty cycle to be set independently. Figure 4 shows the waveforms generated by

this circuit.

VCC

R1 1 M D1 IS2076

R2 100 k D2 IS2076

C

−

VCC

80 pF

HA17901A

VCC

+

1M

Vout

1M

1M

Figure 3 Pulse Generator

Horizontal: 2 V/div, Vertical: 20 µs/div, VCC = 5 V Horizontal: 5 V/div, Vertical: 20 µs/div, VCC = 15 V

Figure 4 Operating Waveforms

Rev.1.00 Mar 10, 2006 page 10 of 15

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