Here's a stepper motor controller
We have used here an Atmel make low-power, high-performance, 8-bit CMOS ... four Darlington pairs comprising transis- tors BC548 and SL100 .... The output gain of the Darlington pair of SL100 and 2N3055 transistors is: ...
http://kitsnspares.com/admin/pdffiles/Stepper Motor Control using Microcontroller.pdf
Robotics is a fascinating sub-
Pneumatic grippers are also used with advantage in robotics because of their ..... by Darlington pair of transistors T1 and T2, drives IRLED1 LD271 (or equivalent). .... T1, T3, T6, T7 – BC548 npn transistor. T2. – 2N2222 npn transistor ...
http://kitsnspares.com/admin/pdffiles/Remote Controlled Land Rover.pdf
VOLTAGE REGULATORS
NPN transistor (BC108, BC182 or BC548 for example). ... A Darlington pair behaves like a single transistor with a very high current gain. It has ... When a transistor is used as a switch it must be either OFF or fully ON. In the ...
http://www.egr.msu.edu/classes/ece480/goodman/spring/group10/Documents/ECE480-App_Note-Fields.pdf
INFRARED BASED INTRUDER DETECTOR
The driver amplifier is a Darlington pair transistor amplifier selected for its high .... 74HC00. Quad 2-Input NAND Gate. T1, T7. BC548 npn Transistor ... gates are used as buffers to drive an LED and a transistor respec- tively. ...
http://www.electronicsmaker.com/em/admin/pdf/construction/INFRARED BASED INTRUDER DETECTOR.pdf
Management in Automobiles
power level of the battery used in the car and the automobiles. The future improvement may be the ... "Darlington pair. The transistorsused are BC548 and CL100 ... able resistor in between the transistor and the bulb can vary ...
http://ieeexplore.ieee.org/iel5/10601/33509/01590174.pdf?arnumber=1590174
DTCXO OUTPUT SIGNAL SPECTRUM IMPROVEMENT
turns of each motor. Its operation is based on an H bridge formed with bipolar transistors. TIP33C and. BC548 under a Darlington configuration. ...
http://ieeexplore.ieee.org/iel5/4135690/4100080/04135755.pdf?arnumber=4135755
Study of Speculative Execution and Branch Prediction Concepts
The circuit diagram below shows the circuit used. The circuit is self explanatory in nature. ... the only difference being transisitor T2 is a Darlington pair to provide higher ... Transistor T1---BC548. 10. Transistor T2---TIP122 ...
http://www.cse.iitb.ac.in/~cs671/project_report/06305403.18-11-07_20-14-26.ICT.pdf
BUILDING A ROBOTIC
ARM
by J Olawale - Cited by 1
http://csited.org/2007/34OlawCSITEd.pdf
APPLICATION INFORMATION FOR LNBS AND SWITCHERS
commonly used for Horizontal/Vertical polarisation switching in LNBs and ... 1% values and the comparator transistors may need to be a matched pair in a ... 3 mA) through the BC548 transistor from the base of the power transistor. If ... (Darlington) transistor such as the TIP125 or a FET is required. The power ...
http://www.eutelsat.com/satellites/pdf/Diseqc/associated docs/applic_info_LNB_switchers.pdf
8 x 3 Channel IR Relay Board (3072)
30 Sep 2002 ... used in this kit has changed the pin numbers of two pairs of pins. .... BC548 transistor. 4. Red & green hook-up wire ...
http://www.quasarelectronics.com/kit-files/electronic-kit/3072.pdf
Audio
amplifier project - Rapid | Distributors of electronic ...
1 Combining two transistors into a “Darlington pair” is often used to improve a transistor circuit. Draw a simple circuit diagram and explain how a ...
http://www.rapidonline.com/resources/docs/audioamp.pdf
Bridge rectifier diodes 687 Darlington transistors
694 FETs 695 ...
SOT-23 500mW Transistors. Zetex. High performance complementary pairs. ...... hard switching topologies used for telecommunications, welding equipment ...
http://www.rapidonline.com/netalogue/content/downloads/CatPDFs2007/0677-0700_Discrete_semiconductors.pdf
AVT 721
should be used in the circuit if it is not only to be a gadget but serve a functional purpose as well. In that case additional ... T2 – BC548. (or BC547)! 18. T3 – BC516. (low power PNP Darlington transistor)! 19. U1 IC 16-pin socket! ...
http://www.argus.lv/pub/datasheets/721EN.pdf
AVT 3500
... of transistors T2…T5 (standard or PNP Darlington transistors). To switch on one of the T1… ... including the T1 transistor too can be used for other purposes. .... BC548. 16. U1 AT90S2313 20-pin socket. 17. U2 PCF8591 16-pin socket ...
http://www.argus.lv/pub/datasheets/3500EN.pdf
COMPONENTS
CATALOGUE & PRICE LIST
BC548 Si NPN transistor. TO-92 plastic case. General ... BD682 Si PNP Darlington transistor. 4A, 100V, 40W. TO-126 ... Used in the Simple Electronic Keyer p.177 Solid State .... Has a pair of 2.4 mm (3/32") pins @ 25.4 ...
http://www.users.on.net/~zietz/qrp/prices.pdf
Untitled
If a 10v zener is used, it will have a temperature coefficient of .... The Darlington Pair uses a pair of transistors coupled together as an ...
http://www.talkingelectronics.com.au/Download/DataBook1.pdf
Go to: <a href="../../../../A Colin
Mitchell/200TransistorCircuits ...
value can be used. Don't think transistor technology is obsolete. Many complex circuits have one ...... Darlington pair to drive the speaker transformer. ...
http://www.talkingelectronics.com.au/projects/200TrCcts/200TrCcts.pdf
K20 CRYSTAL-LOCKED ULTRASONIC
MOVEMENT DETECTOR
is built around a matched pair of ceramic transducers which convert movement energy to electrical ... used to turn on buzzers, lights etc. A PCB-mounted ... on pin 4 turns on the Darlington arrangement of transistors which turns on the LED. ... BC548. 3. 40kHz crystal. 1. 9V battery snap. 1. Ultrasonic transmitter ...
http://kitsrus.com/pdf/k20.pdf
Microwave
Subsystem
at least one of the LNBs used on the link must ... forms a Darlington pair. R58 overcomes the internal capacitance of the transistors and helps ...
http://techdoc.kvindesland.no/radio/ymse1/20061216154533986.pdf
Circuit Index
I have used a pair of BC548 transistors in this circuit. ...... bias chain to minimize distortion, the output stage formed by a discrete darlington pair ...
http://www.elc-mcu.com/bbs/images/upfile/2004-11/2004118131119.pdf
Bull Electrical-sept.qxd
FIg.2.6. Two npn transistors used in a. Darlington pair configuration. Fig.2.7. ...... 15 x BC548 transistors. SP156. 3 x Stripboard, 14 strips x. 27 holes ...
http://www.radio-portal.ru/book/�������/Practical Electronics/EPE 2003-12.pdf
Untitled
the pair. Overseas readers should contact Bill Speake for details of any addi- ...... required, for example, and the Darlington transistor type used as TR3 ...
http://www.radio-portal.ru/book/�������/Practical Electronics/[Magazine] - Practical Electronics - 2004 - 07 July - Volume 33 - Number 7 - 75s.pdf
INTRODUCTION
Darlington arrays that are ideally suited for interfacing between low-level logic circuitry and ... (Micro-relays) are used in pairs as there are two motors to drive the vehicle. When supply is ..... TRANSISTOR. BC 547. BC 548 ...
http://www.xlshine.com/download/Auto_Car_Parking.pdf
EPE
Online - March 2005 - Vol 34, No 3
Darlington pair transistor drivers are used to provide current sinks in a common anode ...... BC548 Transistors . . . . . . . . . . . . . . . . . . . .£1.00 ...
http://david.alfa-romeo.eu/elektro/EPE/2005/EPE 2005-03.pdf
EPE
Online JULY 05 Vol. 34, No. 7
workmanship used by readers, EPE Online, its publishers and agents disclaim ...... thus turning on Darlington pair TR4 and. TR5 via buffer resistor R6. ...... 15 x BC548 transistors. SP156. 3 x Stripboard, 14 strips x. 27 holes ...
http://david.alfa-romeo.eu/elektro/EPE/2005/EPE 2005-07.pdf
Laboratorio de Componentes y Circuitos Electrónicos. Ingeniería T
...
Laboratorio de Componentes y Circuitos Electrónicos. - Darlington (hFE) ... El transistor es básicamente un dispositivo de baja tensión y es importante comprobar ..... Collector-Base Breakdown Voltage BC546. OC = 100uAdc) BC547. BC548 ...
http://193.146.57.132/depeca/repositorio/asignaturas/30207/practica 5.pdf
TECHNICAL
MANUAL FOR COMPACT VHF RT2048
This mounting bracket is used when RT2048 is to be mounted next to other SAILOR units in the Compact 2000 .... BC548 (-A/-B/-C). 28.070. T2-6. TRANSISTOR AF BC548 NPN TO-92. PHILIPS. BC548 (-A/-B/-C) ..... differential pair and Q8, Q9 the output stage. ...... TRANSISTOR DARLINGTON. NPN BC618. MOTOROLA. BC618 RL1 ...
http://www.bluemoment.com/manuals/sailor_rt2048.pdf
Order Code
Description Page Number – Philips Semiconductors 1 485 ...
22 fixed baud rates and a 16-bit timer which can be used as a separate programmable ...... BC548:TRANSISTOR. 357080. BC548A:TRANSISTOR. 234308. BC548B:TRANSISTOR .... BSS60:TRANSISTOR, DARLINGTON. 426313. BSS89:TRANSISTOR, MOSFET TO-92 ...
http://fr.farnell.com/images/fr_FR/apps7.pdf
Untitled
TechBites Interactive Inc and Wimborne Publishing Ltd have used their best efforts in preparing these ...... ond, anti-phase, output is via transistor pair ...... fied Darlington transistor is restricted to the 200mA mark, it follows that ...... 15 x BC548 transistors. SP156. 3 x Stripboard, 14 strips x. 27 holes ...
http://notes.ump.edu.my/fkee/e-Magazine/Everyday Practical Electronics Epe 1999-2005/EPE/2004/EPE 2004-09.pdf
EPE Online - Feb 2005 - Vol 34 #02
Sneaky pair are used in front of an audi- ence is explained later. Experimenting ...... on Darlington power transistor TR1. The high ...... 15 x BC548 transistors. SP156. 3 x Stripboard, 14 strips x. 27 holes ...
http://notes.ump.edu.my/fkee/e-Magazine/Everyday Practical Electronics Epe 1999-2005/EPE/2005/EPE 2005-02.pdf
TECHNICAL MANUAL FOR SAILOR COMPACT HF SSB T2130
This load is used to set the output power to the correct value. ...... TRANSISTOR RF POWER. MRF426 MATCHED PAIR (hFE) MOTOROLA. MRF 426 hFE SORTED ... BC548 (-A/-B/-C)126. 28.070. Q12-1. TRANSISTOR AF POWER NPN. DARLINGTON BD645/BDX53 ...
http://www.tarkastaja.com/~janne/oh6lsl/Sailor/Manuals/2000/T2130gb_a0129.pdf
Pag. 1 FUNCTION TYPE ARITHMETICS CIRCUITS 4 bit full adder with
...
BUFFERS and INVERTERS. Dual complementary pair plus inverter. 4007. Hex buffer inverting ...... BC548. 15. 402. Silicon planar epitaxial transistor – NPN ..... 803. Epitaxial silicon Darlington transistor – PNP ...
http://www.lulu.com/items/volume_62/1890000/1890125/1/print/datasheet.pdf
K55. SUCTION CUP PHONE PICKUP
sponding to keypad digit “1” continuously. LED 2 is used to indicate the tone output from IC3. This tone output is am- plified by Darlington transistor pair ...
http://phoenixians07.weebly.com/uploads/2/1/0/4/2104392/electronics_projects.pdf
GCSE Design and Technology: Electronic Products Specification
a Darlington pair transistor configuration used as a transducer driver (NPN only), i.e. BC548 and BC639; be aware that a Darlington Pair can be packaged ...
http://www.techlinkinschools.com/electronics/docs/gcse/gcse spec for exam 2011 onwards.pdf
Small Signal Transistors, FETs and Diodes
Plastic–Encapsulated Darlington Transistors. Darlington amplifiers are cascade transistors used in applications requiring very high–gain and input impedance ...
http://noel.feld.cvut.cz/hw/motorola/books/sg73/pdf/5_1smsig_msg.pdf
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International
...
(a) A wind powered generator is used to charge the batteries needed to power a watering ...... amplifier component darlington-pair buzzer transistor circuit ...
http://paperspoint.net/igcse/design-&-techo_0445/2004/0445_s04_qp_4.pdf
Data Sheet
4519B together with the VT output drive a 7 stage Darlington ..... simple antenna the pair may be used to transfer serial data up to 200 metres. ...
http://reocities.com/CapeCanaveral/campus/6338/hard/rf/229_7385.pdf
Time Saver Price List
A selection of the most used and popular items held in stock. Website: http://www.kalex.net.au ...... TRANSISTOR NPN .1A 50V .5. $0.17. $0.15. $0.12. BC548. TRANSISTOR NPN .1A 30V .5 ... NPN DARLINGTON 100V 8A HFE750 ...
http://www.kalex.net.au/Text/1095999370609-2807/uploadedFiles/1233186151765-8514.pdf
EPE Online - April 2006 - Vol. 35, No. 4
type of transistor (e.g. BC548). Graph and Calculations: For each transis- ..... similar characteristics to a Darlington pair used as a common collector ...
http://www.depanari.ro/tehnium/Everyday_Practical_Electronics/Everyday_Practical_Electronics_-_2006-04.pdf
EPE Online Magazine - August 2006
Q14 and Q15 form a Darlington pair that produces a very high value of current ...... 15 x BC548 transistors. SP156. 3 x Stripboard, 14 strips x. 27 holes ...
http://www.depanari.ro/tehnium/Everyday_Practical_Electronics/Everyday_Practical_Electronics_-_2006-08.pdf
DSE04-05
Catalogue - DATA Section
The system of preferred values, which is used for resistors, ...... BC548. TO-92VAR1 ... Darlington O/P. BD262. BF173. TO-72(28) ..... Note: Some small signal transistors may have a TO-92 case and a 'PN' prefix. ...
http://letsmakerobots.com/files/DSE200405_catalogue_data_0.pdf
CHAPTER
5 Automotive Power Electronics
a push pull drive with discrete devices should be used. Suitable cmos families are given ...... In the past, the darlington transistor has been the favoured ...
http://www.nxp.com/documents/application_note/APPCHP5.pdf
EasyPIC 1 A Beginners Guide
LEDs and any general purpose low power NPN transistor. (BC108, BC182 or BC548 for example). ... When a transistor is used as a switch it must be either OFF or fully ON. ..... The numbers in brackets are the note and duration pairs. ...... Darlington (it is shown as a standard NPN). The TIP120's ...
http://www.electronicspk.com/store/catalog/documents/picmanual.pdf
THE SMD
CODEBOOK
Some of the transistors are types with integrated resistors; in the ..... BC548. 1M. MMBTA13. Mot. N. SOT23. MPSA13 darlington ...... Sometimes a code is used instead, which normally consists of a letter and. 3 digits. ... It denotes the internal arrangement - single, common anode pair, quad, etc. The ...
http://www.kipa-bg.com/html/SMD_CODS.pdf
RRP Pricelist - Current
Knob For P120 and P130 Pot Knob Tapered Rogan Used On Insight 3 ...... Transistor Power Darlington NPN MJD112. 6.62. EACH. SHR-183A34. Transistor Power Darlington PNP MJD117 ...... Transistor BC548. 0.00. EACH. ZIX0450. Transistor BC549 ..... 2.54mm 80Pin DIL Strip Header 40 PAIR - RoHS Compliant - ...
http://www1.jands.com.au/__data/assets/pdf_file/0004/9967/Jands_Spare_Parts_Price_List.pdf
http://ali-almukhtar.blogspot.com
When choosing a transistor it is essential to select one capable of carrying the current needed by the device. The often-used BC548 carries up to 100 mA so ...
http://www.urt.gen.tr/eklenen_dosyalar/The_Robot_Builder_s_Cookbook.pdf
EPE Online JULY 05 Vol. 34, No. 7
thus turning on Darlington pair TR4 and. TR5 via buffer resistor R6. This causes ...... 15 x BC548 transistors. SP156. 3 x Stripboard, 14 strips x. 27 holes ...
ftp://95.179.66.97/incoming/RA3GHA/Practical Electronics/2005/Practical Electronics -2005-07.pdf
ftp - 95.179.66.97
workmanship used by readers, EPE Online, its publishers and agents disclaim ...... this compound transistor (connected in the. Darlington pair ...
ftp://95.179.66.97/incoming/RA3GHA/Practical Electronics/2004/Practical Electronics -2004-04.pdf
50 Jaycar
Electronics 2006 Catalogue Components | Capacitors
As used in most transistor radios and many kits that incorporate a radio. ...... darlington pairs with common emitters. each channel rated at 500mA and can ...
http://tech.werribeesc.vic.edu.au/jaycar/data/1B.pdf
AZTRONICS STOCK LISTING As Of 28/01/2010 This is by no way a full
...
Ev erlight 3mm Bi-Colour Led Dif f used Orange/Green CC ...... 4-UNIT 1.5A DARLINGTON TRANSISTOR ARRAY WITH CLAMP DIODE. 11. IC1. Integrated Circuits ...
http://www.aztronics.com.au/spreadsheets/NotFullListing.pdf
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