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What is a bipolar digital-to-analogue converter (DAC)?
A bipolar digital-to-analogue converter (DAC) is one that can give out both positive and negative voltages according to the sign of its input.
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2005-07-28 Zetex PNP transistor based on Generation 5 bipolar process
The ZXTP2006E6 PNP transistor from Zetex provides designers with a high efficiency solution for battery charging, dc-dc converter and general power management tasks.
2006-06-02 VFA, CFA, Bipolar or CMOS - Which high-speed amplifier is best for your low-noise application?
Both current- and voltage-feedback amplifier topologies are popular choices for high-speed applications. An understanding of the differences in circuit topology along with basic noise and distortion characteristics is crucial for optimal product selection.
1999-06-29 Using Bipolar Transistors for Power Management in Low Voltage Systems
This paper presents general overview of new bipolar transistor technologies with respect to selection criteria against competing MOSFET solutions for low-voltage applications.
2002-05-03 Using bipolar biasing to obtain the full tuning range capability of Z-COMM VCOs
This application note illustrates the recommended configuration for proper 115V operation.
2010-03-12 USB modules feature unipolar, bipolar output ranges
ACCES I/O Products Inc. has extended its line of small form factor USB-based DAQ and control I/O modules with the USB-AO series that consists of 12- and 16bit USB modules.
2001-04-03 Two-tone linearity in a 900MHz silicon bipolar class AB amplifier
This application note shows the typical behavior of a 900MHz amplifier operating in the class AB mode, and describes a method to create suppression of the intermodulation products to better than -30dBc over a 40dB dynamic range (1mW to 10W peak envelope power).
2002-11-15 Toshiba bipolar transistors exhibit low saturation voltage
2002-08-12 TI launches latest bipolar-CMOS process
Texas Instruments Inc. has developed its latest SiGe complementary bipolar-CMOS manufacturing process, the BiCom-III, which integrates both NPN and PNP-type bipolar transistors.
2011-06-20 The suitable IC for medical devices: Bipolar or CMOS?
Here's a comparison of bipolar and CMOS devices to help you decide where each is applicable.
2002-08-09 STMicro bipolar transistors have >90 current gain
STMicroelectronics' STSA851 and STN851 NPN power transistors have a collector-emitter saturation voltage of <0.45V and a current gain >90.
2000-03-30 RF measurements on SIEGET bipolar transistors: Predicting performance straight from the wafer
Multistage measurements are intended to ensure unrestricted operation of RF transistors. Recently, RF properties could only be measured on packaged components, while DC measurements alone cannot provide reliable indication of RF performance. Not until on-wafer testing emerged did it become possible to evaluate the RF parameters of production batches right from the wafer fabrication stage. This application note cites the example of on-wafer RF testing of SIEGET transistors.
2005-09-13 PolarFab qualifies new devices on c-bipolar technology process
PolarFab, an analog and mixed-signal chip foundry, has qualified a new line of devices for its 1.25?m, 30V complementary-bipolar (c-bipolar) technology (BP30 process).
2013-03-01 Plessey rolls out linear regulators for bipolar process
The PS2292X LDO family targets consumer applications such as Set Top Boxes and gateways, industrial, communication and computing markets and are ideal for low voltage, post regulation applications.
2003-11-28 Philips, JSMC unite in bipolar product venture
Royal Philips Electronics and Jilin Sino-Microelectronics Co. Ltd have jointly established Philips Jilin Semiconductor Co. Ltd in Jilin City, China.
2007-02-12 PAM, TSMC to develop Bipolar-CMOS-DMOS tech
PAM and TSMC announced the joint development of Bipolar-CMOS-DMOS technology tailored to high-performance power analog ICs used in audio and video displays and devices.
2007-03-23 NXP announces power-saving bipolar transistors
NXP announced the availability of its latest generation of low VCEsat transistors, which reduces power loss by 80 percent compared to general purpose transistors.
2005-07-14 New CMOS amplifiers with voltage noise like bipolar amplifiers
Linear Technology announced a new class of CMOS amplifiers with voltage noise like bipolar amplifiers
2005-02-14 MOSFET or bipolar, which should you use?
In recent years, MOSFETs have benefited from huge investments in technology and promotion alike, overshadowing bipolar devices to the degree that many designers view bipolars as old technology.
2006-02-27 Miniature bipolar package increases power supply efficiency
The ZXTC2045E6 from Zetex Semiconductors produces the drive requirement needed to switch high power MOSFETs and IGBTs in power supply designs.
2008-06-10 Lithium-ion battery charging using bipolar transistors
This application note by Khagendra Thapa discusses linear charge techniques and associated discrete pass elements. It highlights the dominant discrete parameters and selection criteria.
2005-08-16 Latched sink drivers deliver flexibility through MOS, bipolar mix
Allegro Microsystems offers the A6800/01, A6821/41, and A6832/33 latched sink drivers for LED displays, gaming and medical systems.
2000-03-20 Key features and distinctions between CMOS and bipolar LDOs
This paper describes the history of the LDO and its future trends. It also offers an informative comparison of the key features of both bipolar and CMOS LDOs, including the hybrid-BiCMOS. Key issues such as voltage and current ranges, compensation and stability, overhead, ease of use and cost are also presented.
2004-10-11 IR offers compact alternative to bipolar devices
IR introduced new radiation-hardened logic-level gate drive MOSFETs designed to boost efficiency and performance in circuits that traditionally relied on bipolar transistors.
2002-05-15 Infineon ships 1.2kV bipolar transistors
Infineon Technologies AG has announced the shipment of a new line of IGBTs that operate up to 1.2kV and feature the company's TrenchStop and FieldStop technology.
2000-05-25 Increasing the high-speed torque of bipolar stepper motors
This application note shows that increasing the slew rates of the winding currents in a bipolar stepper motor pushes the motor to deliver more torque at high speeds.
2004-01-16 Hybrid bipolar transistor emits light
Integrated optoelectronics could get a boost from the discovery of a bipolar transistor that emits light from its base region.
2007-07-12 ESD protection for bipolar ICs
This application note discusses several issues that a circuit designer should consider to protect an IC from unshielded ESD.
2004-12-23 ESBT combines bipolar, MOSFET technologies' strengths
ST unveiled a hybrid emitter-switched bipolar transistor designed for use in welding equipment and power factor correction for audio amplifiers.
2009-11-25 Digital pulsers enable uni- or bipolar pulsing
An active-clamping architecture reduces the second harmonic output, allowing complete control of each driver's output stage.
2010-03-18 Bipolar transistors save up to 60% board space
Diodes Inc. is rolling out a dozen NPN and PNP transistors in its miniature PowerDI5 surface mount package that takes 47 percent less space than SOT223 and 60 percent less than DPAK.
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