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CIRCUIT OF SMOKE ALARM WITH PHOTODIODE

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CIRCUIT OF SMOKE ALARM WITH PHOTODIODE

Abstract: equivalent transistor 2n3704 latch on at the first detection of smoke. When connected to VSS, the alarm will not latch on detection of smoke and the low battery condition will not override the smoke alarm condition. Reset after , LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage , override the smoke alarm, in accordance with UL217 specifications. This device utilizes low power CMOS , SD4 CMOS Photo-Electric Smoke Detector Integrated Circuit Ordering Information Package Options
Supertex
Original
CIRCUIT OF SMOKE ALARM WITH PHOTODIODE equivalent transistor 2n3704 IR LED and photodiode SD4 diode electro magnetic detector LED monitor circuit diagram SOW-20 2N3704

CIRCUIT OF SMOKE ALARM WITH PHOTODIODE

Abstract: air horn first detection of smoke. When connected to VSS, the alarm will not latch on detection of smoke and the , affects the local smoke alarm response. Low Battery Threshold The nominal threshold of the battery , control only affects the "Smoke" alarm condition. Timing Resistor A nominal resistor value of 22 M , LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage , override the smoke alarm, in accordance with UL217 specifications. This device utilizes low power CMOS
Supertex
Original
air horn smoke DETECTOR CIRCUIT DIAGRAM IR led detector diode led ir ir led datasheet IR LED infrared led

CIRCUIT OF SMOKE ALARM WITH PHOTODIODE

Abstract: IR LED and photodiode requirements. When smoke is detected, a 1Hz horn modulation is pulsed on for 3 periods of 0.5 seconds with 0.5 , first detection of smoke. When connected to VSS, the alarm will not latch on detection of smoke and the , affects the local smoke alarm response. Low Battery Threshold The nominal threshold of the battery , control only affects the "Smoke" alarm condition. Timing Resistor A nominal resistor value of 22 , LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage
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Original
ir led diode SD4 silicon PIN photodiode driver sound horn digital alarm ic Drive circuit for a piezoelectric

CIRCUIT OF SMOKE ALARM WITH PHOTODIODE

Abstract: equivalent transistor 2n3704 first detection of smoke. When connected to VSS, the alarm will not latch on detection of smoke and the , affects the local smoke alarm response. Low Battery Threshold The nominal threshold of the battery , LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage , , the low battery trouble alarm will override the smoke alarm, in accordance with UL217 specifications , SD2 CMOS Photo-Electric Smoke Detector Integrated Circuit Ordering Information General
Supertex
Original
smoke detector waveforms smoke alarm circuit
Abstract: will latch on at the first detection of smoke. When D connected to Vss, the alarm will not latch on detection of smoke and the low battery condition will not override the smoke alarm condition. Reset after , the collector circuit, below the LED, but the LED current and therefore the Sensitivity of the smoke , battery trouble alarm will override the smoke alarm, in accordance with UL217 specifications. The LED , SD2 fíi Supertex inc. CMOS Photo-Electric Smoke Detector Integrated Circuit Ordering -
OCR Scan

sd2p smoke detector

Abstract: equivalent transistor 2n3704 will latch on at the first detection of smoke. When connected to VSS, the alarm will not latch on detection of smoke and the low battery condition will not override the smoke alarm condition. Reset after , approximately 8 Hz, with the ON time exceeding the OFF time. When connected to VSS, the "Smoke" alarm will , circuit, below the LED, but the LED current and therefore the Sensitivity of the smoke detector will vary , latching operation, the low battery trouble alarm will override the smoke alarm, in accordance with UL217
Supertex
Original
sd2p smoke detector photodiode smoke alarm detector infrared photoelectric chamber SD2P

sd2p smoke detector

Abstract: CIRCUIT OF SMOKE ALARM WITH PHOTODIODE connected to VSS, the alarm will not latch on detection of smoke and the low battery condition will not , affects the "Smoke" alarm condition. Timing Resistor A nominal resistor value of 22 megohms to VSS , LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage , operation, the low battery trouble alarm will override the smoke alarm, in accordance with UL217 , SD2 SD2 CMOS Photo-Electric Smoke Detector Integrated Circuit Ordering Information
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Original
LED pin configuration PHOTOELECTRIC SMOKE DETECTOR 2 pin ir led 3 pins trimmer resistor 10K ohm resistor led RESISTOR POTENTIOMETER

IR LED and photodiode

Abstract: equivalent transistor 2n3704 smoke. When connected to Vss, the alarm will not latch on detection of smoke and the low battery , therefore the Sensitivity of the smoke detector will vary with supply voltage. 07732^5 0004Ã"01 HQ â , the photodiode pin and the CMEMORY pin will enhance noise Immunity of the detection circuit. This , alarm. The IR LED pulse repetition rate increases when smoke is detected. For use with a 9-volt battery , the smoke alarm, in accordance with UL217 specifications. The LED SUPERVISOR tests for open or
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OCR Scan
sd2 transistor LH4N ir led PHOTODIODE Supertex smoke detector circuit
Abstract: latch on at the first detection of smoke. When connected to Vss, the alarm will not latch on detection of smoke and the low battery condition will not override the smoke alarm condition. Reset after , , but the LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage , generate an alarm. The IR LED pulse repetition rate increases when smoke is detected. For use with a 9 , override the smoke alarm, in accordance with UL217specifications. The LED SUPERVISOR tests for open or -
OCR Scan
Abstract: . When connected to Vss, the alarm will not latch on detection of smoke and the low battery condition , , but the LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage , , the low battery trouble alarm will override the smoke alarm, in accordance with UL217 specifications , Supertex inc. SD4 CMOS Photo-Electric Smoke Detector Integrated Circuit Ordering , external components This low power CMOS circuit is intended for use in a pulsed LED/ silicon cell smoke -
OCR Scan
Abstract: connected to V ss, the alarm will not latch on detection of smoke and the low battery condition will not , affects the "Smoke" alarm condition. A nominal resistor value of 22 megohms to V ss sets the oscillator , generate an alarm. The IR LED pulse repetition rate increases when smoke is detected. For use with a 9 , override the smoke alarm, in accordance with UL217specifications. The LED SUPERVISOR tests for open or , fí) S u p ertex in c . CMOS Photo-Electric Smoke Detector Integrated Circuit Ordering Information -
OCR Scan
20MS2

h56 diode

Abstract: equivalent transistor 2n3704 alarm will not latch on detection of smoke and the low battery condition will not override the smoke , LED current and therefore the Sensitivity of the smoke detector will vary with supply voltage , increase with supply voltage. Protect the integrated circuit from polarity reversal. When the smoke , trouble alarm will override the smoke alarm, in accordance with UL217 specifications. The LED SUPERVISOR , SD4 Advance Information CMOS Photo-Electric Smoke Detector Integrated Circuit Ordering
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OCR Scan
h56 diode VTS4085

photoamplifier

Abstract: CIRCUIT OF SMOKE ALARM WITH PHOTODIODE comparator reference of VDD ­ 3.5 V. If using the hush feature, the maximum smoke alarm level with hush , alarm in the US would be a possible infringement of this patent. The photoamp inputs are MOS with , minimum smoke alarm level in normal mode. This step requires the use of a calibrated smoke source of the , VDD = 9 V with a smoke source equivalent to the minimum desired level to activate an alarm. Slowly , VDD ­ 3.5 V. If using the hush feature, the minimum smoke alarm level set up by the designer with
Allegro MicroSystems
Original
A5358 A5366 photoamplifier Signal Path Designer IR LED and photodiode pair IR photodiode smoke VACTEC INC

CIRCUIT OF SMOKE ALARM WITH PHOTODIODE

Abstract: PHOTO TRANSISTOR smoke detector pin) flashing combined with alarm sound, indicates a LOCAL SMOKE condition. Only pulsating alarm , contained in it. Combined with an IR photoelectric chamber, this IC is used to detect smoke through , of alarm sounds are generated by an external piezoelectric buzzer driven by the push-pull output of , is formed. The gain of it is determined by capacitor's value. Connect a photodiode to supply a , VIC Common-mode voltage range C1, C2, Detect VREF Internal reference voltage of smoke
Shanghai Belling
Original
BL59A12 BL59S12 PHOTO TRANSISTOR smoke detector FOR TEST IC 324 MS828 led strobe light circuit diagram 14 pin ic for driver get is ir MS-828 BL59A12/BL59S12

BL59S10

Abstract: 14 pin ic for driver get is ir contained in it. Combined with an IR photoelectric chamber, this IC is used to detect smoke through , of alarm sounds are generated by an external piezoelectric buzzer driven by the push-pull output of , applications. 3. Block diagram of this IC I/O C1 C2 1 2 3 DETECT 7 AMP REF1 0SC ALARM , photodiode. It can be used to connect up to 40 detectors to make auxiliary alarm, remote alarm , remote alarm. 6.3. Display method: LED (connected to LED pin) flashing combined with alarm sound
Shanghai Belling
Original
PIN14 BL59A10 BL59S10 ir photodiode amplifier analog timing light alarm piezoelectric buzzer 12V 9v buzzer led BL59A10/BL59S10

smoke DETECTOR CIRCUIT DIAGRAM pcb layout

Abstract: photoamplifier A5303 Photoelectric Smoke Detector with Interconnect, Timer, and Latching Alarm Indicator , A5303SLE-T A5303SLETR-T Photoelectric Smoke Detector with Interconnect, Timer, and Latching Alarm , Photoelectric Smoke Detector with Interconnect, Timer, and Latching Alarm Indicator DC ELECTRICAL , Photoelectric Smoke Detector with Interconnect, Timer, and Latching Alarm Indicator AC ELECTRICAL , (io) Local alarm End of local alarm or test No local alarm No local or remote smoke After 1 of 3 valid
Allegro MicroSystems
Original
smoke DETECTOR CIRCUIT DIAGRAM pcb layout NFPA72 ISO8201

smoke DETECTOR CIRCUIT DIAGRAM

Abstract: CIRCUIT OF SMOKE ALARM WITH PHOTODIODE becomes 40 ms, but strobe timing is unaffected. Smoke Alarm Circuit The signal source for smoke , Smoke Sample Rate.64/f Low Battery Alarm Period. 2048/f Smoke Alarm Horn-On*.120/f Smoke Alarm Horn-Off*.8/f *MC14464 only , Level VLB - - - Circuit diagramsutilizing Motorola products are included as a means of illustrating , MC14464, MCI4465 CIRCUIT DESCRIPTION Voltage Regulator Pin 6 is regulated voltage with respect to Vqd
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OCR Scan
MCI4464 MC14069UB pj 71 diode MC140138 Motorola Smoke Detector cmos light DETECTOR CIRCUIT DIAGRAM diode pj 70 mc140938 MC14465

a5366clwt

Abstract: PHOTOELECTRIC SMOKE DETECTOR ; www.allegromicro.com 6 Photoelectric Smoke Detector with Interconnect and Timer A5366 Pin and Circuit , Interconnect and Timer A5366 Local Smoke Detection Alarm Condition 1st strobe with smoke 3rd strobe , A5366 Photoelectric Smoke Detector with Interconnect and Timer Features and Benefits , A5366 is a low-current BiCMOS circuit providing all of the required features for a photoelectric type smoke detector. This device can be used with an infrared photoelectric chamber to sense scattered
Allegro MicroSystems
Original
a5366clwt A5366CLWTR-T MS-001 A5366CA A5366CA-T S2113

smoke DETECTOR CIRCUIT DIAGRAM pcb layout

Abstract: BiCMOS circuit providing all of the required features for a photoelectric type smoke detector. This device can be used with an infrared photoelectric chamber to sense scattered light from smoke particles , local or remote smoke After 1 of 3 valid samples After 2 of 3 valid samples and during local alarm , . 1.508.853.5000; www.allegromicro.com 10 A5366 Local Smoke Detection Alarm Condition 1st strobe with , A5366 Photoelectric Smoke Detector with Interconnect and Timer Features and Benefits Low
Allegro MicroSystems
Original
UL268

smoke DETECTOR CIRCUIT DIAGRAM pcb layout

Abstract: a5366clwt low-current BiCMOS circuit providing all of the required features for a photoelectric type smoke detector. This device can be used with an infrared photoelectric chamber to sense scattered light from smoke , Photoelectric Smoke Detector with Interconnect and Timer A5366 Local Smoke Detection Alarm Condition 1st , A5366 Photoelectric Smoke Detector with Interconnect and Timer Features and Benefits , senses smoke all units will sound an alarm. Special features are incorporated in the design to
Allegro MicroSystems
Original
IR LED photodiode pair 16 pins rely ic all number
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