Motore di ricerca datesheet componenti elettronici
  Italian  ▼
ALLDATASHEETIT.COM

X  

LS1240A Scheda tecnica(PDF) 2 Page - STMicroelectronics

Il numero della parte LS1240A
Spiegazioni elettronici  Electronic two-tone ringer
Download  9 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LS1240A Scheda tecnica(HTML) 2 Page - STMicroelectronics

  LS1240A Datasheet HTML 1Page - STMicroelectronics LS1240A Datasheet HTML 2Page - STMicroelectronics LS1240A Datasheet HTML 3Page - STMicroelectronics LS1240A Datasheet HTML 4Page - STMicroelectronics LS1240A Datasheet HTML 5Page - STMicroelectronics LS1240A Datasheet HTML 6Page - STMicroelectronics LS1240A Datasheet HTML 7Page - STMicroelectronics LS1240A Datasheet HTML 8Page - STMicroelectronics LS1240A Datasheet HTML 9Page - STMicroelectronics  
Zoom Inzoom in Zoom Outzoom out
 2 / 9 page
background image
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
Block diagram and test circuit
LS1240
2/9
1
Block diagram and test circuit
Figure 1.
LS1240 block diagram
Figure 2.
Test circuit
Rectifier
bridge
Threshold circuit
with hysteresis
Output
stage
Tone frequency
generator
Switching
generator
frequency
8
7
6
5
4
3
2
1
Telephone
line
Rectifier
capacitor
N.C.
Buzzer
Output frequency
control resistor
Sweep rate
control capacitor
GND
Telephone
line
+
-
R1
=
2.72
⋅ 10
4
f1
(Hz)
⋅ (1 − 0.04 ln
f1
1943)
f2 = 0.725 f1
fSWEEP
=
750
C1
(nF)


Codice articolo simile - LS1240A

Produttore elettroniciIl numero della parteScheda tecnicaSpiegazioni elettronici
logo
STMicroelectronics
LS1240A STMICROELECTRONICS-LS1240A Datasheet
496Kb / 7P
   Electronic two-tone ringer
August 2006 Rev 2
logo
Wing Shing Computer Com...
LS1240A WINGS-LS1240A Datasheet
282Kb / 4P
   Electronic Two-Tone Ringer
logo
Unisonic Technologies
LS1240A UTC-LS1240A Datasheet
223Kb / 5P
   ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER
LS1240A-D08-T UTC-LS1240A-D08-T Datasheet
223Kb / 5P
   ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER
LS1240A-S08-R UTC-LS1240A-S08-R Datasheet
223Kb / 5P
   ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER
More results

Descrizione simile - LS1240A

Produttore elettroniciIl numero della parteScheda tecnicaSpiegazioni elettronici
logo
STMicroelectronics
LS1240A STMICROELECTRONICS-LS1240A Datasheet
496Kb / 7P
   Electronic two-tone ringer
August 2006 Rev 2
logo
Hynix Semiconductor
GL6840A HYNIX-GL6840A Datasheet
87Kb / 8P
   Electronic Two Tone Ringer
logo
STMicroelectronics
LS1241 STMICROELECTRONICS-LS1241 Datasheet
175Kb / 3P
   Electronic Two - Tone Ringer
logo
Wing Shing Computer Com...
LS1240A WINGS-LS1240A Datasheet
282Kb / 4P
   Electronic Two-Tone Ringer
logo
Hynix Semiconductor
GL6850 HYNIX-GL6850 Datasheet
37Kb / 3P
   TWO TONE RINGER
GL6851 HYNIX-GL6851 Datasheet
35Kb / 3P
   TWO TONE RINGER
logo
Hangzhou Youwang Electr...
UTC1240A YOUWANG-UTC1240A Datasheet
92Kb / 3P
   ELECTRONIC DUAL-TONE RINGER
logo
STMicroelectronics
L3240 STMICROELECTRONICS-L3240 Datasheet
123Kb / 6P
   ELETRONIC TWO-TONE RINGER
logo
Integral Corp.
IL2410 INTEGRAL-IL2410 Datasheet
330Kb / 7P
   Tone Ringer
logo
Daewoo Semiconductor
DBL5001 DAEWOO-DBL5001 Datasheet
317Kb / 6P
   TONE RINGER
More results


Html Pages

1 2 3 4 5 6 7 8 9


Scheda tecnica Scarica

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEETIT.COM
Lei ha avuto il aiuto da alldatasheet?  [ DONATE ] 

Di alldatasheet   |   Richest di pubblicita   |   contatti   |   Privacy Policy   |   scambio Link   |   Ricerca produttore
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com