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lm331 en PDF
Enlaces en pdf encontrados en el directorio sobre lm331
airmon1
12V LAMP POWER +15V 150 1/2W 1/2A 36VAC 1A 150 1/2W IN OUT +25V GND 12V BULB +25V 4 ______ SAMPLE 8 TLC 555 340 1W ACQUIRED PULSE INDICATOR 2 2. 2M 120VAC 120VAC - + 7815 IN + OUT + +15V GND 10uF 470uF 7 + 3 [. . ]
http://discovercircuits.com/PDF-FILES/airmon1.pdf
airmon1
120VAC 120VAC POWER SUPPLIES IN OUTGNDIN GNDOUT12V LAMP 4060B 910113 16 12 R2 14 FREQ = 27.3Hz WATCHDOG TIMERTIMES OUT AFTER 300 SECNO RECEIVED PULSE 5 8 7 6 1 423 LM331 1KHz TO 10KHz Rs RLRt Ct MYLARPOLYSTY F OUT = VINRS RLRtCt2.0914311101 131252CD4066B AIR TRANSPARENCY MONITORVOLTAGE TO FREQUENCY.......
http://www.discovercircuits.com/PDF-FILES/airmon1.pdf
98spct35
https://www.delabs-circuits.com/cirdir/analog/control/98spct35.pdf