Unique charge-coupled devices may be able to record phenomena with information spanning dc - 20ghz. data to be recorded is sampled at rates up to 100 gs/s and stored temporarily in the ccd. it is then shifted at slow rates into a conventional a/d and digital memory. preliminary research suggests… More

A spread-spectrum automatic direction finding system will be capable of selectively providing directional information in a tactical enviroment. only authorized receivers (those with the correct pn code) will be able to utilize the transmitted information. conventional adf systems are incompatible… More

To successfully employ the intrinsically short access time (i.e., less than 1ns) of gaas digital memory chips, unique signal processing architectures will be required which may influence conventional function partitioning among integrated circuits. to determine the optimal architecture of both… More

Charge-mode digital logic appears to have great potential as a building block for future supercomputers. its extremely high computational density, estimated at 2 x 10(14) gate-hz/cm(2), is achievable at 2 minimum features using conventional, optical lithography. by contrast, dod's vhsic ii program… More

Afstc seeks analog to digital (a/d) converters which can operate in close vicinity to cooled focal plane imagers at speed comparable to their normal readout speed for future space systems applications. q-dot, inc., proposes a novel 12-bit, 1 microsecond, 10 mw a/d converter chip which can operate at… More

Limitations to the effectiveness of present pattern recognition systems when applied to robot or computer vision systems exist because of present tv camera hardware. this project involves an innovative solid-state smart sensor development which will finally permit real time pattern recognition at… More

A unique, direct pulse-to-digital converter will be designed and demonstrated. in general, signal conditioning for turbine flow meters and tachometers commonly employ signal conversions to obtain a data format suitable for digital recording. the pulse output of the transducer is first converted to… More

The purpose of this phase i program is to identify specific tactical avionics applications which could benefit from the special information-processing capabilities of adaptive neural networks. for specific tactical applications, a trade-off analysis of specific neural network architectures will be… More

An innovative technique is proposed to acquire and digitize 200 samples of data to 8-bit accuracy at lns inter vals every 67 ms. a unique charge- coupled device (ccd) s samples the data and temporarily stores 200 samples at 1 gs/s. at slower rate, this same ccd converts the 200 samplesof… More

An innovative technique is proposed to simulate the performance of multiple-access communication systems. a unique combination of monte carlo simulation and statisticalbounding techniques are used to increase the efficiency of multiple-access models. use of known statistics in the simulation model… More

The reaster-scan output of image data from present ccd imagers reduces the efficiency of optical signal processing systems. here detector/processor architectures are studied to reduce the effect of the bottleneck at the detector output. innovative techniques are proposed to generate area array… More

Conventional high-speed imgage-recording systems are typically based on stroboscopic and/or high-speed film methodologies. these approaches suffer from the use of film as a recording medium, reducing system flexibility and eliminating real-time evaluation of image data. furthermore, conventional… More

An innovative technique will be investigated to acquire and digitize a packet of high-data-rate burst information. in this concept, a charge-coupled device (ccd) samples the received signal and detects the unique synchronization word.upon unique-word detection, the timing of the data burst is… More

An innovative technique is proposed to generate a frequency-hop communication signal which is difficult to intercept. the implementation proposed will allow switching transients and, therefore, the side-lobe energy, to be minimized. this will significantly reduce the probability of intercept.

Q-dot proposes a novel, high-speed laser ranging detector for use underwater. a solid-state, segmented detector is used in place of a pmt. since the detector can handle huge (e.g., 1,000 to 1,000,000 times full scale) overloads and recover to full sensitivity as quickly as a few nanoseconds, it will… More

In phase i of this project a low cost, radiation-hardened, high performance first-level processor is being developed for large (e.g., 10(6)) arrays of detectors such as those used in both colliding-beam and fixed-target high energy physics experiments. the use of a unique device fabricationprocess… More

Q-dot proposes the development of burst communcation (burstcomm) low probability of intercept/jamming resistant (lpi/jr) signals for low-rate data/voice line-of-sight communications between multiple aircraft. performacne measures will be developed and used to optimize the lpi/jr burstcomm system.… More

Q-dot proposes a very high-speed (10 - 20 gs/s) medium-resolution (6-bit) analog-to-digital converter (adc) using an advanced heterojunction bipolar transistor (hbt) process. innovative circuit design, combined with a very fast hbt process, will be used to design a practical wide bandwidth… More

Innovative circuit design and advanced processing is proposed to create a 25 - 50 gs/s, 6- to 8-bit analog-to-digital converter (a/d). the design combines the rapid quantum switching (< 1 ps) and multiple-state operation of resonant tunnel diodes (rtd's) with the isolation, high speed (130 ghz ft),… More

Q-DOT proposes the development of a high-speed digital modulator for use in digital radio frequency memories (DRFM's) for simulating radar target signatures. The modulation can be realized with charge-mode digital/analog multipliers, operating in a pipeline structure. This technique affords very… More

Q-dot proposes to develop a comprehensive aeroballistic data acquisition system (adacs) to replace spin boxes or yaw cards on the ballistic test range. the fully automatic adacs will eliminate labor-intensive and time-consuming steps between shots while improving accuracy over current methods. in… More

The low noise performance of ccd imagers and signal processing devices is presently limited by the performance of the associated charge sensing amplifiers. typical amplifiers will show noise levels of 100 - 200 electrons/packet and gains of 1 - 5 muv/electron. the transverse floating-gate fet… More

There are numerous applications for a high-resolution (16-bit) and in military and commercial communications, phased-array radar# and electronic warfare syatems. g-dot proposes a high-resolution (16- to 18-bit) ' 100 ms/s bht delta-sigma a^d converter. a multibit architecture reduces the… More

Q-dot proposes to develop a low-cost, high-performance transient recorder for use in high-energy physics experiments. heretofore, the recording of somplete, amplitude vs. time histories from detectors has been desirable but prohibitively expensive and limited in versatility. single-channel per chip,… More

Wide field-of-view (fov) cameras to date have been plagued by distortion which limits their use in telerobotic operations. one reason for this distortion has been the need to project a hemispherical image onto a flat plane. q-dot proposes a unique imaging system which utilizes a hemispherical focal… More

Q-DOT proposes to develop ultra-low-power charge-mode digital processors for use in advanced packaging technologies. Initial estimates project a reduction factor of 10 to 30 in power dissipation when state-of-the-art CMOS is replaced with advanced, charge-mode logic. For example, a 32-bit serial… More

Low-resolution, solid-state imaging systems exist which are capable of relatively high frame rates (e.g., 500 f/s (f/s)). Other solid- state detectors are capable of reasonably high spatial resolutions; however, these systems are typically limited to less than one f/s capture rate. To date, no… More

Special acoustooptic (AO) signal processors require single photodectector elements having large dimensions, very short response times, and large dynamic range. Conventional AO detector arrays cannot provide the bandwidth needed in this application. Q-DOT proposes to investigate the application of… More

Q-DOT proposes to develop a dynamic angle-or-arrival (AOA) simulator to stimulate intercept radars. Modern airborne radars with electronically steered arrays are capable of passively locating and tracking other aircraft with high accuracy. The proposed simulator will generate and position… More

Present silicon ic's are reaching fundamental limits on gain, speed, and power density. heterojunction devices promise ten-fold performance improvements but large-scale ic's are required to assess these emerging technologies. sige heterostructures offer substantial performance increases while… More

Q-Dot, Inc. proposes an innovative "no-drop" regulator (NDR) for low-voltage micro-power sensor systems. Based upon charge-coupled devices (CCD's), it provides high efficiency with less noise and at a low cost. Designed for battery or solar-cell systems, it has zero-volt input-to-output differential… More

Q-DOT proposes an innovative wideband microwave programmable delay line network. The proposed approach offers an unprecedented combination of bandwidth, 16 GHz, resolution, delays to 655.34 Us in steps of 20 ns, delay stability, 1 ns over temperature, and amplitude stability, +-1.5 dB. Most of the… More

An advanced wideband (>2GHz), fast-switching (

Ultrasonic imaging is the preferred method for noninvasive tissue examination and real-time blood flow analysis. Foreign items (e.g., radiolucent shrapnel) embedded in the body can also be imaged. While this would greatly aide combat field medics and civilian emergency medical technicians,… More

Q-DOT proposes to develop a custom, charge-coupled device imager to work in conjunction with an innovative lens already designed and built by Q-DOT. The imager will exploit the characteristics of a variable focal lens to provide both a detailed, narrow field-of-view image seamlessly combined with a… More

Q-DOT proposes to develop an innovative, monolithic recorder for acquiring pressure v. Time history of the event. The signal range of 1mV to 1 V p-p is spanned with automatic gain ranging (AGR) which provide one of eight base-2 gains to optimize the 9-bit analog-to-digital converter (ADC). The AGR… More

This proposal presents an electrostatic discharge (ESD) detector which can be integrated on a semiconductor chip. A circuit terminal overvoltage condition is sensed with a passive, nonvolatile write-once memory which can be read out after the ESD event has occurred. The approach provides… More

Q-DOT proposes to develop a compact, solid-state, low-cost, ultra-fast transient recorder. The recorder will combine an array of high bandwidth (20GHz), high dynamic range (56 dB) charge-coupled device (CCD)-based samplers on a single chip with monolithic tapped delay line transmission lines. … More

A flexible miniature digital transceiver based on unique architectures is proposed for direct digital synthesis and data conversion of radio frequency (RF) wireless spectrums without intermediate frequency (IF) stages. The transceiver combines innovative direct-conversion analog-to-digital and… More

Q-DOT proposes to continue development of a low-loss micromachined optical switch using MEMS technology. The switch is suitable for mass fabrication and for construction of a fiber optic sensor multiplexer. The main goal of this phase is to verify the low-loss characteristic of the switch. … More

Q-Dot proposes to develop a wideband digital radar receiver outputting multiple simultaneous channels with 10 MHz bandwidth and 80 dB of spurious free dynamic range each. Q-Dot is teaming with Raytheon Electronics Systems to ensure the successful design of the Delta-Sigma Radar Receiver which meets… More

Q-DOT proposes to develop a 1-dimensional receiver array for the unique laser radar (LADAR) system developed at the Army Research Laboratory. The primary elements of this new system include an amplitude modulated solid state laser transmitter and an incoherent optical receiver array. Each receiver… More

Q-DOT proposes to develop a unizue, lower-power, low-cost beamformer for portable imaging sonars. The original two chip set will form 100 beams from 100 input channels. A 0.3 cm2 BiCMOS chip comprises a low noise amplifier (LNA), a time-gain control (TGC), an apodizer and a Delta-Signma modulation… More

Ultrasonic imaging is the preferred method for noninvasive tissue examination and real-time blood flow analysis. Foreign items (e.g., radiolucent shrapnel) embedded in the body can also be imaged. While this would greatly aide combat field medics and civilian emergency medical technicians,… More

Q-DOT proposes to develop a small, light weight, low-power, multi-channel EO trans-ceiver capable of 10 Gbit/second/channel to support emerging high-speed processors. Currently, the performance of both ground-based and missile-borne processors is constrained by slow data links. As processors… More

Q-DOT proposes to develop an innovative digital beamformer suitable for satellite payloads for the Air Force. Based on bandpass delta-sigma data conversion technology, wideband radio frequency (RF) signals are sampled at a high intermediate frequency (IF) within a transmit/receive (T/R) module. … More

Not Available The primary objectives of the proposed effort are to further develop a novel, proprietary technology (Alternating Current Anti Fouling ACAF ) which applies a rapidly alternating electric field to layers of conductive and insulating films to minimize or prevent attachment of aquatic… More

Q-DOT proposes to develop a wide bandwidth, highly versatile Direct Digital Synthesizer (DDS) System capable of supporting multiple radar and communication systems. A common, highly capable DDS System will simplify logistics, training and maintenance,thereby significantly reducing Operation and… More

Q-DOT proposes to develop a monolithic, Delta-Sigma Direct Digital Synthesizer (DDS) suitable for use in a multi-function phased array antenna systems (e.g., Digital Array Radar (DAR)). Its wide bandwidth (600 MHz) enables the DDS to produce a variety ofsignals including the chirp waveforms for… More

"Abstract: Q-DOT proposes to develop a low-cost standard Flight Test Receiver and Decoder (FTRD). The FTRD will fully support RCC 319-99 plus additional range-specific requirements. It will be easy to install and interface to a wide range of munitions.High performance will be attained at low cost… More

Q-DOT proposes to develop a BP delta-sigma ADC in 120 GHz SiGe for use in advanced DAR. IBM's 7HP SiGe BiCMOS process enables the integration of a complete ADC modulator plus support circuitry (e.g., laser diode driver) on a single small, inexpensivesilicon chip. It's small size, low power… More

Q-DOT proposes to develop a Multi-channel, wideband, 4-40 GHz tuner for TUAV SIGINT Payload in advanced, 210 GHz SiGe. The TUAV platform demands small size and low power consumption. IBM's 8T SiGe BiCMOS process has been developed around its recentlydemonstrated 210 GHz HBT. The 8T BiCMOS process… More

Q-DOT proposes to develop a low-cost, Universal Flight Test Receiver and Decoder (FTRD). The FTRD will support both four-tone and extended 20-tone RCC 319-99 requirements, plus additional range-specific requirements. To the extent that it is currentlydefined by the RCC Range Safety Group's Task… More

Q-DOT proposes to develop a wide bandwidth, monolithic, analog-to-digital converter (ADC) using advanced silicon-germanium (SiGe) BiCMOS technology. State-of-the-art commercially available, wide band ADCs are represented by the MAX108 at 8 bits and 1.5Gs/s with 2.2 GHz signal bandwidth (the fastest… More

Q-DOT proposes to develop a monolithic, V-band, low noise amplifier (LNA) for satellite communications in IBM's advanced SiGe technology. The primary design goals include 1.5 dB maximum noise figure with a small signal gain of 30 plus/minus 0.3 dB over a49 - 52 GHz operating bandwidth. IBM's 8HP… More

Q-DOT proposes to develop a low-noise, phase-locked, miniature oscillator (PL MINO) for use in advanced communications systems. The PL MINO will provide the low-noise, 2.5 GHz clock waveform for next generation ADCs in a 0.33 cm3 (0.02 in3) package. It will be a dramatic advancement over… More

Q-DOT proposes to develop a Sensor Node Radio (SNRadio) specifically for ad hoc sensors and munitions network for military application. While considerable effort is currently focused on commercial sensor networks, these commercial products fall substantially short of fulfilling military… More

Q-DOT proposes to develop a SiGe Power Amplifier RFIC with high efficiency and high linearity for use in the 7 GHz downlink multiple-beam antenna (MBA) on the Transformational Satellite (TSAT). The power amplifier will provide a minimum linear output power of 500 mW at 7 GHz, with an ultimate goal… More

Q-DOT proposes to develop a Software-Defined Delta-Sigma Waveform Generator (DS-WG) for advanced MDA ballistic missile defense systems. This approach can be used to generate diverse waveforms from UHF to X-band. The proposed effort has the potential to reduce the size, power and cost of waveform… More

Q-DOT proposes to develop a low-cost, low-power, Sensor Node Radio (SNRadio) specifically designed to support ad hoc sensor and miniature networks for FCS and OFW. It supports ad hoc sensor and munitions network protocols. The SNRadio provides the first link in communication paths between the… More

Q-DOT proposes to investigate the feasibility of developing a fully integrated system-on-a-chip for sensor-based C4ISR networks. In Phase I, a prototype Sensor Node Radio (SNRadio) will be conceptually designed based upon the commercially off-the-shelf (COTS) ASH 3 Transceiver produced by RF… More

Q-DOT proposes to develop an Active Microwave Switch Matrix for the Army's hardware-in-the-loop (HWIL) missile seeker test system. The 4 x 4 X-band switch matrix routes and combines signals at low levels of approximately 0 dBm, enabling each of the outputs to be rapidly programmed as an arbitrary… More

Q-DOT proposes to develop an Active RF Switch Array for the Army's hardware-in-the-loop (HWIL) missile seeker test system. The switch array is designed to route 10 GHz X-band signals at low levels of approximately 0 dBm. IBM's SiGe heterojunction bipolar transistor (HBT) technology is used to… More

Q-DOT proposes an innovative analog front-end (AFE) and analog-to-digital converter (ADC) for ultra-wideband (UWB) systems. Modern communications and radar signals combine complex modulation with wide bandwidth to reduce power and lower the probability of intercept. Current digital receivers do not… More

Q-DOT proposes to develop an advanced RAMDAC for HWIL ladar scene generation. Future large-scale ladar scene generation requires advancements in algorithms and components to generate realistic ladar returns. Techniques and components for generating up to several hundred thousand instantaneous fields… More

Advanced wideband, large, multimode distributed phase array radars require significantly improved T/R modules. Q-DOT proposes a staged X-band receiver block (XRB) chip development, beginning with the key analog to digital converter (ADC). Combined with key RF front end cells and integrated as a… More

Q-DOT proposes to develop an Ultra-Compact (1-2 chip) UWB Transient Receiver/Digitizer to enable the practical military application of UWB for identifying targets behind walls or in foliage. To date, UWB target identification system (TIS) deployment has been severely impeded by the rack-mounted,… More

Q-DOT proposes to develop a dual frequency (i.e. separate transmit and receive frequencies), wide bandwidth (35 GHz ¿ 10%) MMW ESA capable of rapidly scanning 2.3¿ beams ¿ 60¿. With a gain of 35dB and efficiency of 67%, the ESA will output up to 200W with EIRP of 59.8 dBw and G/T of 11.6… More

Q-DOT proposes to develop a High-Fidelity, Delta-Sigma Waveform Generator (DS WG) for high-fidelity specific emitter identification (SEI) signal simulators. This approach can be used to generate precision, pulsed waveforms mimicking unintentional modulation on pulse (UMOP). The UMOP can be any… More

Advanced wideband, large, multimode distributed phase array radars require T/R modules which are much smaller and lower in power than present components. Q-DOT proposes a staged X-band receiver block (XRB) development, beginning with the key analog to digital converter (ADC) and supporting circuits… More