Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    CA 3140A Search Results

    CA 3140A Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    CA3140AT/B Rochester Electronics LLC CA3140 - Operational Amplifier, 1 Func, 15000uV Offset-Max, BIMOS Visit Rochester Electronics LLC Buy
    CA3140AT Rochester Electronics LLC CA3140 - Operational Amplifier, 1 Func, 5000uV Offset-Max, BIMOS, MBCY8 Visit Rochester Electronics LLC Buy
    AV-THLIN2BNCM-025 Amphenol Cables on Demand Amphenol AV-THLIN2BNCM-025 Thin-line Coaxial Cable - BNC Male / BNC Male (SDI Compatible) 25ft Datasheet
    CN-DSUB50PIN0-000 Amphenol Cables on Demand Amphenol CN-DSUB50PIN0-000 D-Subminiature (DB50 Male D-Sub) Connector, 50-Position Pin Contacts, Solder-Cup Terminals Datasheet
    CN-DSUBHD62PN-000 Amphenol Cables on Demand Amphenol CN-DSUBHD62PN-000 High-Density D-Subminiature (HD62 Male D-Sub) Connector, 62-Position Pin Contacts, Solder-Cup Terminals Datasheet
    SF Impression Pixel

    CA 3140A Price and Stock

    Renesas Electronics Corporation CA3140AEZ

    IC OPAMP GP 1 CIRCUIT 8DIP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CA3140AEZ Tube 5,667 1
    • 1 $4.37
    • 10 $2.826
    • 100 $1.9672
    • 1000 $1.49053
    • 10000 $1.475
    		Buy Now
    Avnet Americas CA3140AEZ Tube 1,649 18 Weeks 1
    • 1 $2.8
    • 10 $2.8
    • 100 $1.31111
    • 1000 $1.31111
    • 10000 $1.31111
    		Buy Now
    CA3140AEZ Bulk 16 Weeks, 4 Days 1
    • 1 $3.57
    • 10 $2.53
    • 100 $2.05
    • 1000 $2.05
    • 10000 $2.05
    		Buy Now
    Mouser Electronics CA3140AEZ 4,831
    • 1 $3.73
    • 10 $2.61
    • 100 $1.97
    • 1000 $1.49
    • 10000 $1.47
    		Buy Now
    Newark CA3140AEZ Bulk 6,439 1
    • 1 $2.2
    • 10 $1.86
    • 100 $1.86
    • 1000 $1.62
    • 10000 $1.62
    		Buy Now
    CA3140AEZ Bulk 15 1
    • 1 $3.46
    • 10 $2.94
    • 100 $2.36
    • 1000 $1.96
    • 10000 $1.54
    		Buy Now
    TME CA3140AEZ 599 1
    • 1 $3.03
    • 10 $3.03
    • 100 $2.1
    • 1000 $1.99
    • 10000 $1.99
    		Buy Now
    Avnet Silica CA3140AEZ 20 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now

    Renesas Electronics Corporation CA3140AMZ

    IC OPAMP GP 1 CIRCUIT 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CA3140AMZ Tube 4,762 1
    • 1 $3.5
    • 10 $2.261
    • 100 $1.5738
    • 1000 $1.475
    • 10000 $1.475
    		Buy Now
    Avnet Americas CA3140AMZ Tube 18 Weeks 1,960
    • 1 $2.8
    • 10 $2.8
    • 100 $2.8
    • 1000 $2.8
    • 10000 $2.8
    		Buy Now
    Mouser Electronics CA3140AMZ 1,894
    • 1 $3.5
    • 10 $2.27
    • 100 $1.58
    • 1000 $1.47
    • 10000 $1.47
    		Buy Now
    Newark CA3140AMZ Bulk 28 1
    • 1 $4.52
    • 10 $3.23
    • 100 $2.51
    • 1000 $2.42
    • 10000 $2.42
    		Buy Now
    Bristol Electronics CA3140AMZ 20 2
    • 1 -
    • 10 $2.184
    • 100 $2.184
    • 1000 $2.184
    • 10000 $2.184
    		Buy Now
    Quest Components CA3140AMZ 16
    • 1 $4.5
    • 10 $2.25
    • 100 $2.25
    • 1000 $2.25
    • 10000 $2.25
    		Buy Now
    TME CA3140AMZ 86 1
    • 1 $3.19
    • 10 $3.19
    • 100 $2.37
    • 1000 $1.82
    • 10000 $1.79
    		Buy Now
    Avnet Silica CA3140AMZ 20 Weeks 980
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now

    Renesas Electronics Corporation CA3140AMZ96

    IC OPAMP GP 1 CIRCUIT 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CA3140AMZ96 Digi-Reel 1,735 1
    • 1 $4.37
    • 10 $2.826
    • 100 $1.9672
    • 1000 $1.49053
    • 10000 $1.49053
    		Buy Now
    CA3140AMZ96 Cut Tape 1,735 1
    • 1 $4.37
    • 10 $2.826
    • 100 $1.9672
    • 1000 $1.49053
    • 10000 $1.49053
    		Buy Now
    CA3140AMZ96 Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.475
    		Buy Now
    Avnet Americas CA3140AMZ96 Ammo Pack 16 Weeks, 4 Days 1
    • 1 $3.29
    • 10 $2.79
    • 100 $2.42
    • 1000 $2.42
    • 10000 $2.42
    		Buy Now
    CA3140AMZ96 Reel 18 Weeks 2,500
    • 1 $2.8
    • 10 $2.8
    • 100 $2.8
    • 1000 $2.8
    • 10000 $2.8
    		Buy Now
    Mouser Electronics CA3140AMZ96 4,335
    • 1 $3.86
    • 10 $2.82
    • 100 $1.97
    • 1000 $1.5
    • 10000 $1.47
    		Buy Now
    Verical CA3140AMZ96 2,500 19
    • 1 -
    • 10 -
    • 100 $3.68
    • 1000 $3.68
    • 10000 $3.68
    		Buy Now
    CA3140AMZ96 2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.9279
    		Buy Now
    CA3140AMZ96 190 37
    • 1 -
    • 10 -
    • 100 $1.9279
    • 1000 $1.9279
    • 10000 $1.9279
    		Buy Now
    Newark CA3140AMZ96 Cut Tape 190 1
    • 1 $1.36
    • 10 $1.36
    • 100 $1.36
    • 1000 $1.36
    • 10000 $1.36
    		Buy Now
    CA3140AMZ96 Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Avnet Silica CA3140AMZ96 20 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Chip One Stop CA3140AMZ96 Cut Tape 2,500 0 Weeks, 1 Days 1
    • 1 $3.68
    • 10 $2.59
    • 100 $1.8
    • 1000 $1.59
    • 10000 $1.59
    		Buy Now

    Rochester Electronics LLC CA3140AM

    IC OPAMP GP 1 CIRCUIT 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CA3140AM Tube 211
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.42
    • 10000 $1.42
    		Buy Now

    Renesas Electronics Corporation CA3140AM

    IC OPAMP GP 1 CIRCUIT 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CA3140AM Tube
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Find more CA 3140A price and stock on Findchips.com

    CA 3140A Datasheets (45)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    CA3140A Harris Semiconductor 4.5MHz, BiMOS operational amplifier with MOSFET input/bipolar output Original PDF
    CA3140A Intersil 4.5MHz, BiMOS Operational Amplifier with 4.5MHz, BiMOS Operational Amplifier with Original PDF
    CA3140AE Harris Semiconductor 4.5MHz, BiMOS operational amplifier with MOSFET input/bipolar output Original PDF
    CA3140AE Harris Semiconductor BiMOS Operational Amplifier with MOSFET Input-Bipolar Output Original PDF
    CA3140AE Intersil 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output; Temperature Range: -55°C to 125°C; Package: 8-PDIP Original PDF
    CA3140AE Intersil 4.5 MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output Original PDF
    CA3140AE Intersil 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output Original PDF
    CA3140AE Harris Semiconductor BiMOS Operational Amplifier with MOSFET Input/Bipolar Output Scan PDF
    CA3140AE Intersil Over 600 obsolete distributor catalogs now available on the Datasheet Archive - Op Amp, General Purpose, BiMOS, MOSFET Input/Bipolar Output, 8 Lead DIP Scan PDF
    CA3140AE Unknown Shortform Data and Cross References (Misc Datasheets) Short Form PDF
    CA3140AE Unknown Shortform IC and Component Datasheets (Plus Cross Reference Data) Short Form PDF
    CA3140AE Unknown Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Historical PDF
    CA3140AEX Unknown Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Historical PDF
    CA3140AEZ Intersil 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output; Temperature Range: -55°C to 125°C; Package: 8-PDIP Original PDF
    CA3140AM Harris Semiconductor BiMOS Operational Amplifier with MOSFET Input-Bipolar Output Original PDF
    CA3140AM Harris Semiconductor 4.5MHz, BiMOS operational amplifier with MOSFET input/bipolar output Original PDF
    CA3140AM Intersil 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output Original PDF
    CA3140AM Intersil 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output; Temperature Range: -55°C to 125°C; Package: 8-SOIC Original PDF
    CA3140AM Harris Semiconductor BiMOS Operational Amplifier with MOSFET Input/Bipolar Output Scan PDF
    CA3140AM Unknown Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Historical PDF

    CA 3140A Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    Untitled

    Abstract: No abstract text available
    Text: ¡2 h a r r C A 3140A CA3140 i s BiMOS Operational Amplifiers with MOSFET Input/Bipolar Output August 1 9 9 1 Features D escription • MOSFET Input Stage The CA3140A and CA3140 are integrated-circuit operational amplifiers that combine the advantages of highvoltage PMOS transistors with high-voltage bipolar


    OCR Scan     		CA3140 CA3140A CA3140 CA3130 PDF

    GA3140

    Abstract: PIN DIAGRAM OF IC CA3140 ca3140s 10vpp triangle wave generator CA3140E Wien Bridge Oscillator CA3140T ca3140 application circuit CA3140A baxandall
    Text: h a r r is S E M I C O N D U C T O R C A 3 1 4 0 ,C A 3 1 4 0 A J 4 .5 M H z, B iM O S O p e ra tio n a l A m p lifie r w ith M O S F E T In p u t/B ip o la r O u tp u t November 1996 Features Description • MOSFET Input Stage The CA3140A and CA3140 are integrated circuit operational ampli­


    OCR Scan     		CA3140j CA3140A -10pA GA3140 PIN DIAGRAM OF IC CA3140 ca3140s 10vpp triangle wave generator CA3140E Wien Bridge Oscillator CA3140T ca3140 application circuit baxandall PDF

    logos 4012B

    Abstract: 1LB553 Rauland ETS-003 Silec Semiconductors MCP 7833 4057A transistor sr52 74c912 1TK552 74S485
    Text: L p i > « , * S E m Ic O N VOLUM E 3 INTERNATIONAL INTEGRATED CIRCUITS INDEX 5th EDITION 1985 Revised June 1985 COMPILED AND PUBLISHED BY S E M IC O N IN D E X E S L IM IT E D THE SEMICON INDEX SERIES CONSISTS OF VOLUME 1 TRANSISTOR INDEX VOLUME 2 DIODE & SCR INDEX


    OCR Scan     		TDA1510 TDA1510A logos 4012B 1LB553 Rauland ETS-003 Silec Semiconductors MCP 7833 4057A transistor sr52 74c912 1TK552 74S485 PDF

    triac tag 8518

    Abstract: 70146 DS3654 X2864AD 7 segment display RL S5220 TC9160 la 4440 amplifier circuit diagram 300 watt philips ecg master replacement guide vtl 3829 A-C4 TCA965 equivalent
    Text: 1985 0 / 0 / CONTENTS VOLUME I Introduction to IC MASTER 3 Advertisers’ Index 8 Master Selection Guide Function Index I0 Part Number Index 40 Part Number Guide 300 Logo Guide 346 Application Note Directory 349 Military Parts Directory 50I Testing 506 Cross Reference


    OCR Scan     		PDF

    Untitled

    Abstract: No abstract text available
    Text: CA3140, CA3140A h a r ® J S E M I C O N D U C T O R • M M ■ 4 .5 MHz, BiMOS Operational Amplifier November 1996 with M OSFET Input/Bipolar Output Features Description • MOSFET Input Stage The CA3140A and CA3140 are integrated circuit operational ampli­


    OCR Scan     		CA3140, CA3140A CA3140A CA3140 -10pA PDF

    CA3080T

    Abstract: ed 3b diod a 3140 12 diod full wave bridge rectifier ic BA 10B FULL WAVE RECTIFIER a3140 CA3130 ica ca3130 ca 3140a a3140 equivalent
    Text: CA3140, CA3140A Semiconductor September 1998 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational am plifiers that com bine the advantages of high voltage PM O S transistors with high voltage bipolar transistors on a single


    OCR Scan     		CA3140, CA3140A CA3140A CA3140 CA3080T ed 3b diod a 3140 12 diod full wave bridge rectifier ic BA 10B FULL WAVE RECTIFIER a3140 CA3130 ica ca3130 ca 3140a a3140 equivalent PDF

    GA3140

    Abstract: a3140 TL 555c AM TL 555c 741 LEM ca3140ab
    Text: {Sì h a r r is CA3140, CA3140A S E M I C O N D U C T O R w m w " ^ 7 m w 4.5MHz, B iM O S Operational Amplifier with M O S F E T I n p u t / B i p o l a r O u t p u t N ovem ber 1996 F e a tu re s D e s c rip tio n • M O S F E T I nput S ta ge The CA3140A and CA3140 are integrated circuit operational ampli­


    OCR Scan     		CA3140, CA3140A CA3140A CA3140 GA3140 a3140 TL 555c AM TL 555c 741 LEM ca3140ab PDF

    rca ca3140

    Abstract: ca 3140 ic
    Text: Operational Amplifiers HARRIS S E M I C O N D U C T O R RCA GE CA3140A, CA3140 INTERSIL M ay 1 9 9 0 BiMOS Operational Amplifiers With M O S F E T Input/B iploar O utput F e a tu r e s : A p p lic a tio n s : • M O S F E T In p u l S ta g e fa V e ry h ig h in p u t im p e d a n c e Z in ) - 1 .5 T O typ.


    OCR Scan     		CA3140A, CA3140 CA3140H. rca ca3140 ca 3140 ic PDF

    CA3140T

    Abstract: PIN DIAGRAM OF IC CA3140 ca3140 AN6668 ca3140 application circuit CA3140S ca3109 diode array baxandall ca 3080a 50hz wien oscillator
    Text: CA3140, CA3140A Data Sheet March 2002 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a single


    Original     		CA3140, CA3140A CA3140A CA3140 CA3140T PIN DIAGRAM OF IC CA3140 AN6668 ca3140 application circuit CA3140S ca3109 diode array baxandall ca 3080a 50hz wien oscillator PDF

    CA3140

    Abstract: CA3140E CA3019 CA3140S ca3140 equivalent ca3109 ca 3080a CA3140AT CA3140at data sheet CA3140T
    Text: CA3140, CA3140A Data Sheet March 2002 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a single


    Original     		CA3140, CA3140A CA3140A CA3140 CA3140E CA3019 CA3140S ca3140 equivalent ca3109 ca 3080a CA3140AT CA3140at data sheet CA3140T PDF

    TCA965 equivalent

    Abstract: ULN2283 capacitor 473j 100n UAF771 transistor GDV 65A pbd352303 cm2716 TAA2761 TAA4761 ULN2401
    Text: veryimpressivePrice. power drain. For the same low price astheTTL-compatible DG211. Very Impressive Performance. Low power, low source-drain ON resistance, low switching times, low current, low price. It all adds up to superstar performance for portable and battery-operated


    OCR Scan     		DG211. DG300 DG308 DG211 TCA965 equivalent ULN2283 capacitor 473j 100n UAF771 transistor GDV 65A pbd352303 cm2716 TAA2761 TAA4761 ULN2401 PDF

    7A1 zener diode

    Abstract: a3140 ca314 simple bass pre amplifier ca314 application notes analog IC CA3140 CA3140S PIN DIAGRAM OF IC CA3140 CA3130 peak detector CA3140AT
    Text: S3 CA3140, CA3140A 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output Features Description • MOSFET Input Stage The CA3140A and CA3140 are integrated circuit operational am pli­ fiers that combine the advantages of high voltage PMOS transis­


    OCR Scan     		CA3140, CA3140A CA3140A CA3140 A3140 7A1 zener diode ca314 simple bass pre amplifier ca314 application notes analog IC CA3140 CA3140S PIN DIAGRAM OF IC CA3140 CA3130 peak detector CA3140AT PDF

    ca3109

    Abstract: CA3140S ca3109 diode array CA3019 CA3140 CA3140E PIN DIAGRAM OF IC CA3140 CA3140S can ca3140 application circuit 50hz wien oscillator
    Text: CA3140, CA3140A September 1998 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a single


    Original     		CA3140, CA3140A CA3140A CA3140 ca3109 CA3140S ca3109 diode array CA3019 CA3140E PIN DIAGRAM OF IC CA3140 CA3140S can ca3140 application circuit 50hz wien oscillator PDF

    CA3140S

    Abstract: ca3140 application circuit 2N5294 PIN OUT baxandall CA3140 CA3140AT PIN DIAGRAM OF IC CA3140 10vpp triangle wave generator ci cd 4058 50hz wien oscillator
    Text: CA3140, CA3140A Semiconductor September 1998 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PM O S transistors with high voltage bipolar transistors on a single


    OCR Scan     		CA3140, CA3140A CA3140A CA3140 CA3140S ca3140 application circuit 2N5294 PIN OUT baxandall CA3140AT PIN DIAGRAM OF IC CA3140 10vpp triangle wave generator ci cd 4058 50hz wien oscillator PDF

    pin diagram of IC ca3130

    Abstract: CA3140 PIN DIAGRAM OF IC CA3140 CA3140S ca3140 equivalent ca3109 CA3019 ca3109 diode array ca3140 equivalents tone control circuit
    Text: CA3140, CA3140A Data Sheet September 1998 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a single


    Original     		CA3140, CA3140A CA3140A CA3140 pin diagram of IC ca3130 PIN DIAGRAM OF IC CA3140 CA3140S ca3140 equivalent ca3109 CA3019 ca3109 diode array ca3140 equivalents tone control circuit PDF

    PIN DIAGRAM OF IC CA3140

    Abstract: ca3140 application circuit CA3140 CA3140 voltage comparator IC CA3140 CA3140 voltage comparator application 50hz wien oscillator ca3019 ca3140 equivalent CA3140E
    Text: S E M I C O N D U C T O R CA3140, CA3140A 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output November 1996 Features Description • MOSFET Input Stage - Very High Input Impedance ZIN -1.5TΩ (Typ) - Very Low Input Current (Il) -10pA (Typ) at ±15V


    Original     		CA3140, CA3140A -10pA CA3140A CA3140 PIN DIAGRAM OF IC CA3140 ca3140 application circuit CA3140 voltage comparator IC CA3140 CA3140 voltage comparator application 50hz wien oscillator ca3019 ca3140 equivalent CA3140E PDF

    ca3109

    Abstract: ca3019 CA3140 voltage comparator application ca3140 application circuit IC CA3140 DATA SHEET CA3140S Harris CA3019 CA3140 IC CA3140 ca3109 diode array
    Text: CA3140, CA3140A Data Sheet July 2004 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a


    Original     		CA3140, CA3140A CA3140A CA3140 ca3109 ca3019 CA3140 voltage comparator application ca3140 application circuit IC CA3140 DATA SHEET CA3140S Harris CA3019 IC CA3140 ca3109 diode array PDF

    Wien Bridge Oscillator with RC bridge

    Abstract: ca3140 ca3140 equivalent 50hz wien oscillator ca3140 application circuit ca3140s ca3109 baxandall IC CA3140 3 band baxandall
    Text: CA3140, CA3140A Data Sheet February 10, 2005 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a


    Original     		CA3140, CA3140A FN957 CA3140A CA3140 Wien Bridge Oscillator with RC bridge ca3140 equivalent 50hz wien oscillator ca3140 application circuit ca3140s ca3109 baxandall IC CA3140 3 band baxandall PDF

    ca3140 application circuit

    Abstract: IC CA3140 DATA SHEET CA3140EZ IC CA3140 CA3140 ca3109 CA3140 voltage comparator application 50hz wien oscillator CA3019 CA3140 voltage comparator
    Text: CA3140, CA3140A Data Sheet July 11, 2005 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a


    Original     		CA3140, CA3140A CA3140A CA3140 FN957 ca3140 application circuit IC CA3140 DATA SHEET CA3140EZ IC CA3140 ca3109 CA3140 voltage comparator application 50hz wien oscillator CA3019 CA3140 voltage comparator PDF