The HMC431LP4(E) is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO with an integrated resonator, negative resistance device, varactor diode, and buffer amplifier. The VCO’s phase noise performance is excellent over temperature, shock, vibration and process due to the oscillator’s monolithic structure. Power output is 2 dBm typical from a 3V supply voltage. The voltage controlled oscillator is packaged in a low cost leadless QFN 4x4 mm surface mount package.APPLICATIONS 802.11a & HiperLAN WLAN  VSAT Radios  UNII & Point-to-Point Radios

The HMC463 is a GaAs MMIC PHEMT Low Noise AGC Distributed Amplifier die which operates between 2 and 20 GHz. The amplifier provides 14 dB of gain, 2.5 dB noise figure and 19 dBm of output power at 1 dB gain compression while requiring only 60 mA from a +5V supply. An optional gate bias (Vgg2) is provided to allow Adjustable Gain Control (AGC) of 10 dB typical. Gain flatness is excellent at ±0.15 dB from 6 - 18 GHz making the HMC463 ideal for EW, ECM and RADAR applications. The HMC463 amplifiercan easily be integrated into Multi-Chip-Modules (MCMs) due to its small size. All data is with the chip in a 50 Ohm test fixture connected via 0.025mm (1 mil) diameter wire bonds of minimal length 0.31mm (12 mils).Applications Telecom Infrastructure  Microwave Radio & VSAT  Military & Space  Test Instrumentation  Fiber Optics

The HMC463LP5(E) is a GaAs MMIC pHEMT Low Noise AGC Distributed Amplifier packaged in a leadless 5x5 mm surface mount package which operates between 2 and 20 GHz. The amplifier provides 13 dB of gain, 2.8 dB noise figure and 18 dBm of output power at 1 dB gain compression while requiring only 60mA from a +5V supply. An optional gate bias (Vgg2) is provided to allow Adjustable Gain Control (AGC) of 8 dB typical. Gain flatness is excellent at 0.5 dB from 6 - 18 GHz making the HMC463LP5(E) ideal for EW, ECM RADAR and test equipment applications. The HMC463LP5(E) LNA I/Os are internally matched to 50 Ohms and are internally DC blocked.Applications Telecom Infrastructure  Microwave Radio & VSAT  Military EW, ECM & C³I  Test Instrumentation  Fiber Optics

The HMC764LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) with an Integrated Voltage Controlled Oscillator (VCO). The input reference frequency range is 100 kHz to 220 MHz while the advanced delta-sigma modulator design in the fractional PLL allows both ultra-fine step sizes and very low spurious products. The highly integrated structure provides excellent phase noise performance over temperature, shock and process. The HMC764LP6CE is packaged in a leadless QFN 6 x 6 mm surface mount package. The output power is 15 dBm typical, making the HMC764LP6CE ideal for driving the LO port of many of Hittite’s Hi Linearity and I/Q mixer products.For theory of operation and register map refer to the 'PLLs w/ Integrated VCO - Microwave VCOs' Operating Guide.Applications VSAT Radio Point-to-Point / Multi-Point Radio Test Equipment & Industrial Control Military End-Use Phased Array Applications

The HMC769LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) Frequency Synthesizer with an integrated Voltage Controlled Oscillator (VCO). The input reference frequency range is DC to 350 MHz while the advanced delta-sigma modulator design in the fractional synthesizer allows both ultra-fine step sizes and very low spurious products. The highly integrated structure provides excellent phase noise performance over temperature, shock and process. In addition, the HMC769LP6CE offers frequency sweep and modulation features, external triggering, double-buffering, exact frequency control, phase modulation and more. The HMC769LP6CE is packaged in a leadless QFN 6 x 6 mm surface mount package.For theory of operation and register map refer to the 'PLLs w/ Integrated VCO - Microwave VCOs' Operating Guide.Applications VSAT Radio Microwave Point-To-Point Radios Test Equipment & Industrial Control Military End-Use Phased Array Applications FMCW Radar Systems

The HMC851LC3C is a XOR/XNOR gate function designed to support data transmission rates of up to 28 Gbps, and clock frequencies as high as 28 GHz. The HMC851LC3C also features an output level control pin, VR, which allows for loss compensation or for signal level optimization.All input signals to the HMC851LC3C are terminated with 50 Ohms to ground on-chip, and may be either AC or DC coupled. The differential outputs of the HMC851LC3C may be either AC or DC coupled. Outputs can be connected directly to a 50 Ohm to ground terminated system, while DC blocking capacitors may be used if the terminating system is 50 Ohms to a nonground DC voltage. The HMC851LC3C operates from a single -3.3V DC supply, and is available in a ceramic RoHS compliant 3x3 mm SMT package.APPLICATIONS RF ATE Applications Broadband Test & Measurement Serial Data Transmission up to 28 Gbps

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 HMC992LP5E is an IF analog controlled variable gain amplifier composed of two identical voltage variable attenuators in combination with an InGaP HBT gain block MMIC amplifier which operates from 0.1 to 0.8 GHz, and can be controlled to provide anywhere from -10 dB attenuation, to 40 dB of gain. The HMC992LP5E delivers noise figure of 6 dB in its maximum gain state, with output IP3 of up to +40 dBm. The HMC992LP5E is housed in a RoHS compliant 5x5 mm QFN leadless package, and requires no external matching components.Applications Cellular/3G Infrastructure WiBro / WiMAX / 4G Microwave Radio & VSAT Test Equipment and Sensors IF & RF Applications

The AD8251 is an instrumentation amplifier with digitally programmable gains that has GΩ input impedance, low output noise, and low distortion, making it suitable for interfacing with sensors and driving high sample rate analog-to-digital converters (ADCs). It has high bandwidth of 10 MHz, low THD of −110 dB, and fast settling time of 785 ns (maximum) to 0.001%. Offset drift and gain drift are guaranteed to 1.8 μV/°C and 10 ppm/°C, respectively, for G = 8. In addition to its wide input common voltage range, it boasts a high common-mode rejection of 80 dB at G = 1 from dc to 50 kHz. The combination of precision dc performance coupled with high speed capabilities makes the AD8251 an excellent candidate for data acquisition. Furthermore, this monolithic solution simplifies design and manufacturing and boosts performance of instrumentation by maintaining a tight match of internal resistors and amplifiers. The AD8251 user interface consists of a parallel port that allows users to set the gain in one of two different ways (see Figure 1 in data sheet for the functional block diagram). A 2-bit word sent via a bus can be latched using the WR input. An alternative is to use transparent gain mode where the state of logic levels at the gain port determines the gain. The AD8251 is available in a 10-lead MSOP package and is specified over the −40°C to +85°C temperature range, making it an excellent solution for applications where size and packing density are important considerations. ApplicationsData acquisition Biomedical analysis Test and measurement

The AD8290 contains both an adjustable current source to drive a sensor and a difference amplifier to amplify the signal voltage. The amplifier is set for a fixed gain of 50. The AD8290 is an excellent solution for both the drive and the sensing aspects required for pressure, temperature, and strain gage bridges.In addition, because the AD8290 operates with low power, works with a range of low supply voltages, and is available in a low profile package, it is suitable for drive/sense circuits in portable electronics as well. The AD8290 is available in a lead free 3.0 mm × 3.0 mm × 0.55 mm package and is operational over the industrial temperature range of −40°C to +85°C.Applications Bridge and sensor drives Portable electronics