The ADA4961 is a high performance, BiCMOS RF digital gain?amplifier (DGA), optimized for driving heavy loads out to 2.0 GHz and beyond. The device typically achieves ?90 dBc?IMD3 performance at 500 MHz and ?85 dBc at 1.5 GHz. This?RF performance allows GHz converters to achieve their optimum?performance with minimal limitations of the driver amplifier or constraints on overall power that typically result from GaAs amplifiers. This device can easily drive 10-bit to 16-bit HS?converters.For many receiver applications, antialias filter (AAF) designs?can be simplified or not required.The ADA4961 has an internal differential input impedance of 100 ? and a differential dynamic output impedance of 50 ?,?eliminating the need for external termination resistors. The?digital adjustability provides for 1 dB resolution, thus optimizing the signal-to-noise ratio (SNR) for input levels spanning 21 dB.The ADA4961 is optimized for wideband, low distortion?performance at frequencies up to 2 GHz. These attributes,?together with wide gain adjustment and relatively low power, make the ADA4961 the amplifier of choice for many high speed?applications, including IF, RF, and broadband applications where dynamic range at very high frequencies is critical.The ADA4961 is ideally suited for driving not only analog-to-digital converters (ADCs), but also mixers, pin diode attenuators,?SAW filters, and multielement discrete devices. It is available in a 4 mm ? 4 mm, 24-lead LFCSP and operates over a?temperature range of ?40?C to +85?C. Applications ADC driver for 10-bit to 14-bit GSPS converters RF/IF gain blocks Line drivers Instrumentation Satellite communications Data acquisition Military systems

The LTC1517-5 is a micropower charge pump DC/DC converter that produces a regulated 5V output. The input voltage range is 2.7V to 5V. Extremely low operating current (typically 6?A with no load) and low external parts count (one 0.1?F flying capacitor and two small bypass capacitors at VIN and VOUT) make the part ideally suited for small, light load battery-powered applications. The total printed circuit board area of the application circuit shown below is only 0.045in2.The part operates as a Burst Mode? switched-capacitor voltage doubler to produce a regulated output. The part has thermal shutdown capability and can survive a continuous short circuit from VOUT to GND. The device is available in a 5-pin SOT-23 package.Applications Cellular Telephones Battery-Operated Equipment Local Power Supplies Handheld Instruments PCMCIA Supplies

The LTC1928-5 is a doubler charge pump with an internal low noise, low dropout (LDO) linear regulator. The part is designed to provide a low noise boosted supply voltage for powering noise sensitive devices such as high frequency VCOs in wireless applicationsAn internal charge pump converts a 2.7V to 4.4V input to a boosted output, while the internal LDO regulator converts the boosted voltage to a low noise regulated output. The regulator is capable of supplying up to 30mA of output current. Shutdown reduces the supply current to <8?A, removes the load from VIN by disabling the regulator and discharges VOUT to ground through a 200? switch.The LTC1928-5 LDO regulator is stable with only 2?F on the output. Small ceramic capacitors can be used, reducing PC board area.The LTC1928-5 is short-circuit and overtemperature protected. The part is available in a 6-pin low profile (1mm) ThinSOT package.Applications VCO Power Supplies for Cellular Phones 2-Way Pagers Wireless PCMCIA Cards Portable Medical Instruments Low Power Data Acquisition Remote Transmitters White LED Driver GaAs Switches

Demonstration circuit SCP-LT1962-EVALZ is a 20V, 300mA Low Dropout (LDO) regulator designed to allow low noise operation in noise sensitive circuits. It is easily configured for a wide output range and can provide extremely quiet operation with its high PSRR. Like all boards in the Signal Chain Power series, this board is designed to be easily plugged into other SCP boards to form a complete signal chain power system, enabling fast evaluation of low power signal chains. To evaluate this board, some universal SCP hardware is required, namely: SCP-INPUT-EVALZ SCP-OUTPUT-EVALZ SCP-1X5BKOUT-EVALZ SCP-THRUBRD-EVALZ SCP-FILTER-EVALZ SCP-1X2BKOUT-EVALZ SCP-5X1-EVALZ   To properly evaluate SCP series demo boards, you will need the SCP Configurator companion software. SCP Configurator can help you choose the right board and topology for your design. Note that the Demo Manual does not cover details important to the operation and configuration regarding the LT1962. Please refer to the LT1962 data sheet for a complete description of the part.

The ADE9430 is a highly accurate, fully integrated, polyphase energy and power quality monitoring device. Superior analog performance and a digital signal processing (DSP) core enable accurate energy monitoring over a wide dynamic range. An integrated high end reference ensures low drift over temperature with a combined drift of less than ?25 ppm/?C maximum for the entire channel including a programmable gain amplifier (PGA) and an analog-to-digital converter (ADC).The ADE9430 offers a complete power quality monitoring capability by providing instantaneous total as well as fundamental measurements on rms, frequency, phase angle, power factor active, reactive, and apparent powers and energies. Using the optional ADSWPQ-CLS Power Quality Library, advanced power quality features, such as dip and swell monitoring, power frequency, voltage total harmonic distortion (VTHD), and current total harmonic distortion (ITHD), are enabled. The one cycle rms, 10 cycle rms/12 cycle rms, and the optional ADSW-PQ-CLS Power Quality Library features are calculated according to IEC 61000-4-30 Class S. To request access to the ADSW-PQ-CLS, fill out the software request form at: Software Request Form | Analog Devices, where the target technology must be power quality monitoring and the processor/system on chip (SoC) is the ADE9430.The ADE9430 offers a resampled waveform of 1024 points per 10 cycles or 12 cycles. Resampling simplifies the fast Fourier transform (FFT) calculation of at least 40 harmonics in an external processor.The ADE9430 simplifies the implementation and certification of energy and power quality monitoring systems by providing tight integration of acquisition and calculation engines. The integrated ADCs and DSP engine calculate various parameters and provide data through user accessible registers or indicate events through interrupt pins. With seven dedicated ADC channels, the ADE9430 can be used on a 3-phase system or up to three single-phase systems. This device supports current transformers (CTs) or Rogowski coils when used with external analog integrator for current measurements.The ADE9430 absorbs most of the complexity in calculations for a power quality monitoring system. Combining a simple host microcontroller and the optional ADSW-PQ-CLS Power Quality Library, the ADE9430 enables the design of standalone monitoring or protection systems, or low cost nodes uploading data into the cloud.APPLICATIONS Energy and power monitoring Standards compliant power quality monitoring Protective devices Machine health Smart power distribution units Polyphase energy meters

The AD9246S is a monolithic, single 1.8 V supply, 14-bit, 125 MSPS analog-to-digital converter (ADC), featuring a high performance sample-and-hold amplifier (SHA) and on-chip voltage reference. The product uses a multistage differential pipeline architecture with output error correction logic to provide 14-bit accuracy at 125 MSPS data rates and guarantees no missing codes over the full operating temperature range.The wide bandwidth, truly differential SHA allows a variety of user-selectable input ranges and offsets, including single-ended applications. It is suitable for multiplexed systems that switch full-scale voltage levels in successive channels and for sampling single-channel inputs at frequencies well beyond the Nyquist rate. Combined with power and cost savings over previously available ADCs, the AD9246S is suitable for applications in communications, imaging, and medical ultrasound.A differential clock input controls all internal conversion cycles. A duty cycle stabilizer (DCS) compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance.The digital output data is presented in offset binary, Gray code, or twos complement formats. A data output clock (DCO) is provided to ensure proper latch timing with receiving logic.The AD9246S is available in a 48-lead Quad flat pack and is specified over temperature range of ?55?C to +125?C.Product Highlights The AD9246S operates from a single 1.8 V power supply and features a separate digital output driver supply to accommodate 1.8 V to 3.3 V logic families. The patented SHA input maintains excellent performance for input frequencies up to 225 MHz. The clock DCS maintains overall ADC performance over a wide range of clock pulse widths. A standard serial port interface supports various product features and functions, such as data formatting (offset binary, twos complement, or Gray coding), enabling the clock DCS, power-down, and voltage reference mode. The AD9246S is pin-compatible with the AD9233, allowing a simple migration from 12 bits to 14 bits Applications Ultrasound equipment IF sampling in communications receivers IS-95, CDMA-One, IMT-2000 Battery-powered instruments Hand-held scopemeters Low cost digital oscilloscopes

DC412A: Demo Board for the LTC3713 Low Input Voltage, High Power, No RSENSE Synchronous Buck DC/DC Controller

HMC983LP5E is a fractional frequency divider targeted for fractional-N frequency synthesis, and stand-alone low noise frequency divider applications that require exceptional spurious performance.Although the HMC983LP5E can work with any VCO and/or compatible Phase Detector, best performance and features will be achieved when paired with the companion part, the HMC984LP4E.Fabricated in SiGe BiCMOS process, the HMC983LP5E features a 48-bit Delta Sigma Fractional Modulator (DSM) with programmable phase accumulator size, enabling precise control of frequency step size and resolution. Integrated DSM can generate frequencies with nearly 0 Hz frequency error. The DSM also includes a built-in programmable frequency sweep capability, with various automatic and user defined sweep modes and triggering options, including hardware trigger pin, or SPI trigger with optional delayed trigger.HMC983LP5E is a versatile part capable of various configurations. It has 5 general purpose I/Os (GPIOs). DSM outputs are made available from the GPIO port, enabling the HMC983LP5E to import and/or export DSM sequences for various configuration options.HMC983LP5E divider outputs are differential, open collector with programmable current to accommodate different off-chip loads.Applications Test Equipment Portable Instruments High Performance Fractional-N Frequency Synthesizers with Ultra Low Spurious Stand-Alone Divider and/or Delta-Sigma Modulator

The HMC1132PM5E is a four-stage, gallium arsenide (GaAs) pseudomorphic high electron mobility transistor (pHEMT), monolithic microwave integrated circuit (MMIC) power amplifier. The device operates from 27 GHz to 32 GHz, providing 24 dB of gain and 29.5 dBm of saturated output power from a 5 V power supply.The HMC1132PM5E exhibits excellent linearity with high output third-order intercept (IP3) of 37 dBm, and it is optimized for high capacity, point to point and point to multipoint radio systems. The amplifier configuration and high gain make the HMC1132PM5E an ideal candidate for last stage signal amplification before the antenna.The HMC1132PM5E amplifier input/outputs (I/Os) are internally matched to 50 ?. The device is housed in a RoHS compliant, premolded cavity, 5 mm ? 5 mm LFCSP package, making the device compatible with high volume surface-mount technology (SMT) assembly equipment.APPLICATIONS Point-to-point radios Point-to-multipoint radios Very small aperture terminals (VSATs) and satellite communication (SATCOM) Military and space

Demonstration circuit 2337A is an offline isolated flyback converter featuring LT8315. The demo board outputs 12V, and maintains tight regulation with a load current from 4mA to 0.55A. It is optimized to operate over a wide AC input voltage range (90VAC to 265VAC, 47Hz to 63Hz). Output voltage accuracy stays within ±5% over the whole input voltage and load range.