Top Circuits Page 184

Producing and manipulating the sine wave function is a com- mon problem encountered by circuit designers. Sine wave circuits pose a significant design challenge because they rep- resent a constantly controlled linear Oscillator Sine wave circuitry is....

SK1901 is a semiconductor integrated circuit utilizing the Hall effect. It has been so designed as to operate in the alternating magnetic field especially at low supply voltage and operation over extended temperature ranges to +125. This Hall IC is suitable....

The SN74AVCA406E is a transceiver for interfacing Microprocessors with MultiMediaCards (MMCs), secure digital (SD) cards, and Memory Stick compliant products. By Texas Instruments ..

SP6331 SP6333 SP6335 Quad ower Supervisory Circuits are a family of Microprocessor reset Supervisory Circuits with multiple reset voltages. The 3 device family provides low voltage monitoring ability for up to four supplies with two precision factory-set....

The Infrared (IR) LED used in a remote control is an application for an LED Driver that has specific requirements that may exceed the requirements for a typical LED driver application. For this application, the IR LED driver will run off a 9V alkaline....

Loop stability analysis usually starts from an open-loop Bode plot of the plant under study, e. g. the power stage of a buck or a flyback converter. From this diagram, the designer CAN extract phase and gain data within the frequency range of interest. His....

SigmaTels STAC9721 STAC9723 is a general-purpose 18-bit stereo, full duplex, Audio CODEC that conforms to the Analog component specification of AC`97 (Audio Codec 97 Component Specification Rev. 2. 1). The STAC9721 STAC9723 incorporates SigmaTels proprietary....

A typical, low cost, FSK Modulator TA0038 is implemented by injecting the modulation voltage into the phase lock loop of the Carrier synthesizer. This is done in two ways, by summing the modulation voltage and the loop error voltage together and applying....

..

The TA1284FN is TV Tuner IC which integrate mixer / Oscillator for VHF and CATV bands, mixer / Oscillator for UHF band, and IF Amplifier on a single chip. Supply voltage of 5 V helps lower power dissipation from the set. Compact 16-pin SSOP makes the Tuner....

TA1317ANG is a deflection processor IC for a large and wide picture tube. TA1317ANG incorporates an EW, a vertical distortion correction circuit and a dynamic focus correction circuit. It CAN 2 control various functions via I C BUS line. By Toshiba....

TA1326FNG The TA1326FNG is a UHF band RF Modulator IC that features PLL-based RF Carrier and Audio intercarrier oscillation. The TA1326FNG is compatible with PAL and NTSC Television systems and is lower in cost than TA1243 or TA1297 Series devices. By....

TA1383AFG integrates an NTSC chroma decoder, multi-point scan sync processor (equivalent to pin D4), and H/V frequency Counter in a 30-pin flat package. The IC is ideal for double scan TVs By Toshiba Semiconductor ..

The TA2003PG TA2003FG are AM / FM Radio IC (FM F / E+AM / FM IF) which are designed for AM / FM Radios Combining with the TA7368P (Mono PW IC), a suitable AM / FM Radio system is able to be constituted. By Toshiba Semiconductor ..

Telephone Tone Ringer TA31001 The UTC TA31001 is a bipolar integrated circuit designed for telephone bell replacement. It CAN also be used as alarms or other alerting devices. By LianShun Electronics Co. , Ltd ..

..

..

TB6556FG 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller, Sine-wave PWM control, Built-in triangular-wave generator (carrier cycle = fosc/252 (Hz), Built-in lead angle control function (0 to 58 in 32 steps External setting Automatic internal....

The TBA120U is an i. f. Amplifier with a symmetrical FM Demodulator and an a. f. Amplifier with adjustable output voltage. The a. f. Amplifier is also provided with an output for Volume Control and an input for VCR operation. The input and output of the....

..

TC9402 The TC9400 TC9401 TC9402 are low-cost Voltage-to-Fre- quency (V/F) converters, utilizing low-power CMOS technology. The converters accept a variable Analog input signal and generate an output pulse train, whose frequency is linearly proportional to....

..

The TDA2549 is a complete i. f. circuit with a. f. c. , a. g. c. , demodulation and Video preamplification facilities for multistandard Television receivers. It is capable of handling positively and negatively modulated Video signals in both colour and....

The circuits incorporate two FM Demodulator TDA2555 systems to perform the Demodulator functions required in a dual sound Carrier TV system for demodulating the sound Carriers The difference between TDA2555 and TDA2557 is the number of stages of the Limiting....

The TDA3567 is a monolithic integrated decoder for the NTSC colour Television standards. It combines all functions required for the demodulation of NTSC signals. Further more it contains a luminance Amplifier an RGB-matrix and Amplifier These Amplifiers....

The TDA3592A transcoder circuit converts SECAM input signals into true PAL signals, and CAN be used in combination with all types of PAL decoder By NXP Semiconductors ..

The TDA7541 is a high performance Tuner circuit with stereo decoder for AM/FM car Radio It contains a mixer, IF Amplifier Demodulator for AM and FM, stereo decoder, quality detection, ISS Filter and PLL synthesizer with IF Counter on a single chip. Use of....

The TDA8340 Q and TDA8341 Q are integrated IF Amplifier and Demodulator circuits for colour or black/white Television receivers, the TDA8340 Q is for application with n-p-n Tuners and the TDA8341 Q for p-n-p Tuners The TDA8340 Q and TDA8341 Q are....

The TDA9813T is an integrated circuit for vision IF signal processing and sound dual FM demodulation, with single reference QSS-IF in TV and VCR sets. For negative modulation standards only. ..

The TEA1069 and TEA1069A contain all the functions needed to build a highly featured, high-performance fully electronic telephone set. The device incorporates a speech/transmission part, a dialler part and a ringer part. By offering a wide range of possible....

The TEA5711 is a high performance Bimos IC for use in AM/FM stereo Radios All necessary functions are integrated: from AM and FM front-end to AM detector and FM stereo output stages. ..

The TEA5764UK is a single chip electronically tuned FM stereo Radio with Radio Data System (RDS) and Radio Broadcast Data System (RBDS) Demodulator and RDS/RBDS decoder for portable application with fully integrated IF selectivity and demodulation. The Radio....

The TK10931V is an IF IC contains 2 IF systems ( one is for FM, the other is for AM ) and detector. It is suitable for amateur Radios CB Radios scanner receivers, utility Radios and so on. By Toko Inc. ..

..

The converter shown uses a member of the TinySwitch-III family (U2, a TNY279PN) to provide up to 1. 8 A of load current to six, high-intensity, Luxeon LEDs (the LXHL series). The output voltage is slightly below the forward voltage drop of the LEDs....

The TPA3007D1 is a 6. 5-W mono bridge-tied load (BTL) class-D Audio Power Amplifier with high efficiency, eliminating the need for heat sinks. The TPA3007D1 CAN drive 8- speakers with only a ferrite bead Filter required to reduce EMI The gain of the....

The TPA3112D1 is a 25-W efficient, Class-D Audio power Amplifier for driving a bridge tied speaker. Advanced EMI Suppression Technology enables the use of inexpensive ferrite bead Filters at the outputs while meeting EMC requirements. SpeakerGuard speaker....

The TPS3803 and TPS3805 families of Supervisory Circuits provide circuit initialization and Timing supervision, primarily for DSPs and processor-based systems. The TPS3803G15 device has a fixed-sense threshold voltage VIT set by an internal voltage divider,....

The TRF1115 is the first of two ASICs used in the receiver section of Texas Instruments MMDS/MDS/WCS/802. 16x chipset. The TRF1115 down-converts the input frequency to an IF frequency in the range of 420 MHz to 480 MHz. The device provides a differential....

The TRF1400 VHF/UHF RZ ASK remote control receiver is specifically designed for RZ ASK (return-to-zero amplitude-shift keyed) commu- nications systems operating in the 200-MHz to 450-MHz band. This device is targeted for use in automotive and home security....

..

The TS2418 is a monolithic integrated circuit telephone Tone ringer with bridge Diode when coupled with an appropriate transducer, it replaces the electromechanical bell. This device is designed for use with either a piezo transducer or an inexpensive....

The TS4956 is a complete Audio system device with three dedicated outputs, one stereo Headphone one loudspeaker drive and one mono line for a hands-free set. The stereo Headphone is capable of delivering more than 25 mW per channel of continuous average....

The TS4962 is a differential class-D BTL power Amplifier It is able to drive up to 2. 2W into a 4, load and 1. 4W into a 8, load at 5V. It achieves outstanding efficiency (88% typ. ) compared to standard AB-class Audio amps. By STMicroelectronics ..

Stationary - MOPLL & Silicon Tuner TUA6020 2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier The TUA6020 device combines a digitally programmable Phase locked loop (PLL), with a mixer-oscillator block including two balanced mixers and oscilla-....

..

H-Bridge and Half Bridge Driver IC TLE6282G Application, Dedicated for DC-brush high current motor bridges in PWM control mode and adapted for use in injector and valve applications for 12, 24 and 42V powernet applications. Useable as four fold lowside....

..

The TPA2011D1 is a 3. 2-W high efficiency filter-free class-D Audio Power Amplifier (class-D amp) in a 1, 21 mm G— 1, 16 mm wafer chip scale package (WCSP) that requires only three external components. The TPA2011D1 is a 3. 2-W high efficiency filter-free....

This document presents the contents of the TRF4903 demonstration and development tool kit. The user manual provides information on how to operate the MSP-TRF4903-DEMO kit and describes its hardware and software. Users should understand the MSP430F449 TRF6903....

The TS2012 is a stereo fully differential class D power Amplifier Able to drive up to 1. 35W into an 8, load at 5V per channel. It achieves outstanding efficiency compared to typical class AB Audio amps. By STMicroelectronics ..

The U2745B is a PLL transmitter IC which has been especially developed for the demands of RF low-cost data transmission systems at data rates up to 20 kBaud. The transmitting frequency range is 310 MHz to 440 MHz. It CAN be used in ASK sys- tems. The main....

..

The UDA1350AH is a single chip IEC 958 Audio decoder with an integrated stereo digital-to-analog converter employing bitstream conversion techniques. Besides the UDA1350AH which is the full featured version in QFP44 package, there also exists the UDA1350ATS.....

..

The PB1009K is a silicon monolithic IC developed for GPs receivers. This IC integrates a full VCO second IF Filter 4-bit ADC and digital control Interface to reduce cost and mounting space. In addition, its power consumption is low. Moreover, use of a TCXO....

Abstract: The MAX1896 MAX1973 and MAX8863 combine to deliver 5V at 225mA, 1. 8V at 220mA, and 3. 3V at 60mA from a USB port. The schematics, BOM and performance data appear below. USB devices draw power from the USB port. The voltage is 4. 5V to 5. 25V and....

P89LPC901, Vacuum Cleaner, Soft start, Harmonic suppression, Low cost A low cost P89LPC901 based vacuum cleaner system is introduced in this application note. Design hardware and software are fully discussed. This system CAN also guide the design of other....

The UDA1343TT is a single-chip stereo Analog-to-digital Converter (ADC) and digital-to-analog Converter (DAC) with basic signal processing features employing bitstream conversion techniques. The low power consumption, the small package size and low voltage....

..

..

..

..

Stepper motors that feature unipolar drives are widely used in applications that require high torque loads and fast position attainment. The unipolar operation provides stable Motor Control using a rel- atively simple firmware, as compared to bipolar drives.....

NEC`s UPB1008K is a Silicon RFIC especially designed for handheld low power/low cost GPs receivers. The IC com- bines an LNA followed by a double-conversion RF/IF downconverter block and a PLL Frequency Synthesizer on one chip. The second IF Freqency is a....

The USB-RS422-PCB is a USB to RS422 level serial UART converter PCB incorporating FTDI`s FT232RQ USB to Serial UART Interface IC device which handles all the USB signalling and protocols. The PCB provides a fast, simple way to connect devices with a RS422....

..

..

..

UTC7642 is suitable for low voltage portable Radio cassette system and other Wireless AM system. The package of UTC7642 is TO-92. By LianShun Electronics Co. , Ltd ..

..

One of the many problems besetting the power supply designer today is being able to design a switching power supply that is able to operate in all the power systems within their international marketplaces. Forward ’mode switching power supplies typically....

..

Applications 900 MHz ISM Band, Satellite TV LNB IF Amplifiers (950 - 2150 MHz), 1575 MHz GPs 2. 4 GHz ISM Band (802. 11 b/g WLAN, Cordless, etc. ), "SDARS" Satellite - based Radio (2. 33 and 2. 6 GHz), 5 - 6 GHz WLAN (802. 11a), 5 GHz Cordless Phones, etc.....

WSH412 is designed to integrate Hall Sensor with complementary output drivers and frequency generator together on the same chip, it is suitable for speed measurement, revolution counting, positioning, and DC brushless motors. It includes a temperature....

The XC6119 series is a highly precise, low power consumption voltage detector, manufactured using CMOS and laser trimming technologies. The device includes the built-in delay circuit. A release delay time CAN be set freely by connecting an external delay....

..

The WS2512-TR1G, a Wide-band Code Division Multiple Access (WCDMA) Power Amplifier (PA), is a fully matched 10-pin surface mount module developed for WCDMA handset applications. This power Amplifier Module operates in the 1920-1980 MHz bandwidth. The WS2512-....

..

The XC61H series is a highly accurate, low power consumption CMOS voltage detector with a delay circuit. Detect voltage is accurate with minimal temperature drift. Output configurations are available in both CMOS and N-channel open drain. Since the full....

..

The purpose of this application note is to present an example circuit, illustrating how to operate the XR-T5683 device at 10. 1 Mbps. This note shows the results of measurements made on the XR-T5683 at a 10. 1 Mbps data rate. Hardware used for this....

..

The YD7312 is a monolithic integrated circuit designed for dual pre-amplifier circuit with ALC for recording/playback Amplifier of cassette tape recorder. By Wuxi Youda Electronics Co. , Ltd. ..

The YD9088 is a bipolar integrated circuit for use in mono portable and pocket Radios It is used when a minimum of peripheral components (of small dimensions and low costs) is important. The circuit contains a frequency-locked-loop (FLL) system with an....

Zilog`s Z8 Encore XP F1680 Series incorporates a best-in-class feature set that is optimized for stepper motor microstepping controls. The features of Z8 Encore! XP F1680 include: A fast 11 MHz internal Oscillator Two Analog Comparators 10-bit....

..

I would have assumed that anyone interested in building one of these would have a reasonable understanding of electronics in general and the use of operational amplifiers in particular. This circuit relies on the fact that the phase difference between the....

I thought I would try to use a standard telephone earpiece`s inductance as the L of a Colpitts oscillator, and in so doing eliminate the need for a separate amplifer/buffer. ..

A four channel DMX512 controlled ringer. The Mk 3 will also incoporate a ringing supply generator, and thus be reproducible by others not in posession of the BT ringing supply Number 7. The ringer is microprocessor controlled, using a Parallax Propeller....

The Arduino Eye Shield is a circuit board that can be plugged on top of the Arduino allowing it to interpret analogue video ( PAL or NTSC ) from a camera or other source. It gives the Arduino the power of sight. There are many applications for this. In the....

The analog to digital sketches have been covered a million ways from Sunday with every conceivable part but in order for us to move on to more complex circuits and concepts I need to be sure you know these simpler ones. This tutorial wont be quite as in....

The infrasonic filter was a particularly useful feature of the phono preamp. He also offered instructions on how to build an external buffer circuit to use with any phono preamp, to avoid cartridge impedance interaction. He sent out a letter with the....

..

This calculator computes the resistors and capacitors for a NE555 timer chip, which has been configured as a astable multivibrator (oscillator), or square wave generator. Just enter in the duty cycle and the frequency and the calculator will compute....

Gyrators find application in DC holding circuits which are used in most DAAs (Data Access Arrangements). DAAs typically use dry transformers which can not tolerate DC current, and incorporate a DC blocking cap. When the telephone goes off hook, it must pass....

Monitoring current on inductive loads is a common task. It`s easier to do on the low side of a driving circuit, because a simple resistor can be used with an op-amp on the ground rail. The high side often demands that an expensive current sensing transformer....

This circuit uses a saw based oscillator with an output amplifier which drives a transistor. C1 and C2 and L1 are critical oscillator components. They form a tank circuit which should be tuned to the resonator frequency. Typically C1

..

This circuit was taken from a remote control tarantula transmitter operating at 49. 86MHz. The schematic can also be found at the FCC web site, if you look up the FCC ID. This operates under Part 15. 235 of the FCC rules and regulations Do you need help with....