Datasheet LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904 (ON Semiconductor) - 9
| Fabricante | ON Semiconductor |
| Descripción | Single Supply Dual Operational Amplifiers |
| Páginas / Página | 14 / 9 — LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904. … |
| Revisión | 32 |
| Formato / tamaño de archivo | PDF / 140 Kb |
| Idioma del documento | Inglés |
LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904. LM358. Figure 15. Function Generator
Línea de modelo para esta hoja de datos
- LM2904ADMG LM2904ADMR2 LM2904ADMR2G LM2904AN LM2904ANG LM2904D LM2904DG LM2904DMR2 LM2904DMR2G LM2904DR2 LM2904DR2G LM2904EDR2G LM2904NG
LM358
Versión de texto del documento
LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904
VCC C R3 R1 C V - in 1/2 VO
LM358
+ CO R2 CO = 10 C Vref 1 V ref = VCC 2 Given: fo = center frequency A(fo) = gain at center frequency Choose value fo, C Q 1 Then: R3 = V Triangle Wave ref = VCC R2 f 2 o C Output R3 300 k R1 = Vref + 2 A(fo) R3 1/2 +
LM358
R1 R3 75 k 1/2 R2 = -
LM358
4Q2 R1 -R3 R1 100 k Square - Wave Q For less than 10% error from operational amplifier. o fo < 0.1 Vref Output BW C Where fo and BW are expressed in Hz. Rf R1 + RC R2 R1 If source impedance varies, filter may be preceded with voltage f = if, R3 = 4 CR R2 + R1 follower buffer to stabilize filter parameters. f R1
Figure 15. Function Generator Figure 16. Multiple Feedback Bandpass Filter www.onsemi.com 9
VCC C R3 R1 C V - in 1/2 VO
LM358
+ CO R2 CO = 10 C Vref 1 V ref = VCC 2 Given: fo = center frequency A(fo) = gain at center frequency Choose value fo, C Q 1 Then: R3 = V Triangle Wave ref = VCC R2 f 2 o C Output R3 300 k R1 = Vref + 2 A(fo) R3 1/2 +
LM358
R1 R3 75 k 1/2 R2 = -
LM358
4Q2 R1 -R3 R1 100 k Square - Wave Q For less than 10% error from operational amplifier. o fo < 0.1 Vref Output BW C Where fo and BW are expressed in Hz. Rf R1 + RC R2 R1 If source impedance varies, filter may be preceded with voltage f = if, R3 = 4 CR R2 + R1 follower buffer to stabilize filter parameters. f R1
Figure 15. Function Generator Figure 16. Multiple Feedback Bandpass Filter www.onsemi.com 9