The use of stabilized CMOS delay lines for the digitization of short time intervals. - Timo Rahkonen; Juha T. Kostamovaara (IEEE J. Solid State Circuits, 1993)

Low-Power Time-to-digital and Digital-to-time Converters for Novel Implementation of Telecommunication Building Blocks. - Timo Rahkonen; Juha Kostamovaara (ISCAS, 1994)

Time Interval Digitization with an Integrated 32-Phase Oscillator. - Elvi Räisänen-Ruotsalainen; Timo Rahkonen; Juha Kostamovaara (ISCAS, 1994)

A 50 MHz CMOS Differential Amplifier Channel for a Laser Range Finding Device. - Tarmo Ruotsalainen; Juha Kostamovaara (ISCAS, 1994)

On the use of optical fibres in a pulsed time-of-flight laser rangefinder. - Seppo M. Nissilä; Juha Kostamovaara (Robotica, 1995)

An application-specific PSD implemented using standard CMOS technology. - A. Mäkynen; Juha Kostamovaara (ICECS, 1998)

A high-precision time-to-digital converter for pulsed time-of-flight laser radar applications. - Kari Määttä; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 1998)

An integrated programmable low-noise charge pump. - Juha Häkkinen; Timo Rahkonen; Juha Kostamovaara (ICECS, 1999)

A frequency hopping synthesizer IC for IF and RF applications. - Juha Häkkinen; Timo Rahkonen; Juha Kostamovaara (ISCAS (1), 1999)

A high resolution digital CMOS time-to-digital converter based on nested delay locked loops. - Antti Mäntyniemi; Timo Rahkonen; Juha Kostamovaara (ISCAS (2), 1999)

A new approach to avoid walk error in pulsed laser rangefinding. - Pasi Palojärvi; Tarmo Ruotsalainen; Juha Kostamovaara (ISCAS (1), 1999)

A BiCMOS time-to-digital converter with 30 ps resolution. - Elvi Räisänen-Ruotsalainen; Timo Rahkonen; Juha Kostamovaara (ISCAS (1), 1999)

An integrated time-to-digital converter with 30-ps single-shot precision. - Elvi Räisänen-Ruotsalainen; Timo Rahkonen; Juha Kostamovaara (IEEE J. Solid State Circuits, 2000)

A low noise quadrature subsampling mixer. - Sami Karvonen; Tom A. D. Riley; Juha Kostamovaara (ISCAS (4), 2001)

A wide dynamic range receiver channel for a pulsed time-of-flight laser radar. - Tarmo Ruotsalainen; Pasi Palojärvi; Juha Kostamovaara (IEEE J. Solid State Circuits, 2001)

Charge sampling mixer with Delta-Sigma quantized impulse response. - Sami Karvonen; Tom A. D. Riley; Juha Kostamovaara (ISCAS (1), 2002)

A 1-V, self adjusting, 5-MHz CMOS RC-oscillator. - Kimmo Lasanen; Elvi Räisänen-Ruotsalainen; Juha Kostamovaara (ISCAS (4), 2002)

A nonlinearity-corrected CMOS time digitizer IC with 20 ps single-shot precision. - Antti Mäntyniemi; Timo Rahkonen; Juha Kostamovaara (ISCAS (1), 2002)

A low-power 5.4 kHz CMOS gm-C bandpass filter with on-chip center frequency tuning. - Elvi Räisänen-Ruotsalainen; Kimmo Lasanen; M. Sijander; Juha Kostamovaara (ISCAS (4), 2002)

Pulsed time-of-flight laser radar module with millimeter-level accuracy using full custom receiver and TDC ASICs. - Pasi Palojärvi; Kari Määttä; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2002)

A CMOS time-to-digital converter based on a ring oscillator for a laser radar. - Ilkka Nissinen; Antti Mäntyniemi; Juha Kostamovaara (ESSCIRC, 2003)

A CMOS receiver for a pulsed time-of-flight laser rangefinder. - Jan Nissinen; Pasi Palojärvi; Juha Kostamovaara (ESSCIRC, 2003)

On the effects of timing jitter in charge sampling. - Sami Karvonen; Thomas A. D. Riley; Juha Kostamovaara (ISCAS (1), 2003)

A complex charge sampling scheme for complex IF receivers. - Sami Karvonen; Thomas A. D. Riley; Juha Kostamovaara (ISCAS (2), 2003)

A Sigma-Delta Modulator Development Environment for Fractional-N Frequency Synthesis. - Maciej Borkowski; Juha Häkkinen; Juha Kostamovaara (VLSI-SOC, 2003)

A PLL-Based RF Synthesizer Test System. - Juha Häkkinen; Maciej Borkowski; Juha Kostamovaara (VLSI-SOC, 2003)

Speeding up an integer-N PLL by controlling the loop filter charge. - Juha Häkkinen; Juha Kostamovaara (IEEE Trans. Circuits Syst. II Express Briefs, 2003)

Techniques for in-band phase noise reduction in ΔΣ synthesizers. - Tom A. D. Riley; Norman M. Filiol; Qinghong Du; Juha Kostamovaara (IEEE Trans. Circuits Syst. II Express Briefs, 2003)

A hybrid ΔΣ fractional-N frequency synthesizer. - Thomas A. D. Riley; Juha Kostamovaara (IEEE Trans. Circuits Syst. II Express Briefs, 2003)

An integrated laser radar receiver with resonance-based timing discrimination. - Jani Pehkonen; Juha Kostamovaara (ESSCIRC, 2004)

A 50-MHz CMOS quadrature charge sampling circuit with 66 dB SFDR. - Sami Karvonen; Tom A. D. Riley; Juha Kostamovaara (ISCAS (1), 2004)

A 50-MHz BiCMOS quadrature charge sampler and complex bandpass SC filter for narrowband applications. - Sami Karvonen; Tom A. D. Riley; Sami Kurtti; Juha Kostamovaara (ISCAS (1), 2004)

A low voltage CMOS constant current-voltage reference circuit. - Ilkka Nissinen; Juha Kostamovaara (ISCAS (1), 2004)

Improving capacitive drive capability of two-stage op amps with current buffer. - Mikko Loikkanen; Juha Kostamovaara (ECCTD, 2005)

An integrated optical receiver with wide-range timing discrimination characteristics. - Sami Kurtti; Juha Kostamovaara (ESSCIRC, 2005)

Spurious tone free digital delta-sigma modulator design for DC inputs. - Maciej Borkowski; Juha Kostamovaara (ISCAS (6), 2005)

A delay line based CMOS time digitizer IC with 13 ps single-shot precision. - Jussi-Pekka Jansson; Antti Mäntyniemi; Juha Kostamovaara (ISCAS (5), 2005)

Charge-domain FIR sampler with programmable filtering coefficients. - Sami Karvonen; Juha Kostamovaara (ISCAS (5), 2005)

High current CMOS operational amplifier. - Mikko Loikkanen; Juha Kostamovaara (ISCAS (1), 2005)

A 250-MHz BiCMOS receiver channel with leading edge timing discriminator for a pulsed time-of-flight laser rangefinder. - Pasi Palojärvi; Tarmo Ruotsalainen; Juha Kostamovaara (IEEE J. Solid State Circuits, 2005)

A practical Δ-Σ modulator design method based on periodical behavior analysis. - Maciej Borkowski; Thomas A. D. Riley; Juha Häkkinen; Juha Kostamovaara (IEEE Trans. Circuits Syst. II Express Briefs, 2005)

A CMOS quadrature charge-domain sampling circuit with 66-dB SFDR up to 100 MHz. - Sami Karvonen; Thomas A. D. Riley; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)

A 1-V analog CMOS front-end for detecting QRS complexes in a cardiac signal. - Kimmo Lasanen; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)

On randomization of digital delta-sigma modulators with DC inputs. - Maciej Borkowski; Juha Kostamovaara (ISCAS, 2006)

PSRR improvement technique for amplifiers with Miller capacitor. - Mikko Loikkanen; Juha Kostamovaara (ISCAS, 2006)

A CMOS time-to-digital converter with better than 10 ps single-shot precision. - Jussi-Pekka Jansson; Antti Mäntyniemi; Juha Kostamovaara (IEEE J. Solid State Circuits, 2006)

A quadrature charge-domain sampler with embedded FIR and IIR filtering functions. - Sami Karvonen; Thomas A. D. Riley; Sami Kurtti; Juha Kostamovaara (IEEE J. Solid State Circuits, 2006)

Charge-domain FIR sampler with programmable filtering coefficients. - Sami Karvonen; Tom A. D. Riley; Juha Kostamovaara (IEEE Trans. Circuits Syst. II Express Briefs, 2006)

Receiver channel with resonance-based timing detection for a laser range finder. - Jani Pehkonen; Pasi Palojärvi; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2006)

An Integrated Laser Radar Receiver Channel with Wide Dynamic Range. - Jan Nissinen; Juha Kostamovaara (ICECS, 2007)

A Capacitor-Free CMOS Low-Dropout Regulator. - Mikko Loikkanen; Juha Kostamovaara (ISCAS, 2007)

On the Performance and Use of an Improved Source-Follower Buffer. - Harri Rapakko; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2007)

A Robust Algorithm to Identify the Test Stimulus in Histogram-Based A/D Converter Testing. - Esa Korhonen; Juha Häkkinen; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2007)

An Improved Algorithm to Identify the Test Stimulus in Histogram-Based A/D Converter Testing. - Esa Korhonen; Juha Kostamovaara (ETS, 2008)

A fully differential layout placement paradox: Matching vs. full symmetry. - Hakan Binici; Juha Kostamovaara (ICECS, 2008)

A 1.2-V CMOS RC Oscillator for Capacitive and Resistive Sensor Applications. - Kimmo Lasanen; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2008)

A loopback-based INL test method for D/A and A/D converters employing a stimulus identification technique. - Esa Korhonen; Juha Kostamovaara (DATE, 2009)

A CMOS front end for a laser rangefinder with resonance-based timing discrimination. - Jani Pehkonen; Juha Kostamovaara (ECCTD, 2009)

Laser Radar Receiver Channel With Timing Detector Based on Front End Unipolar-to-Bipolar Pulse Shaping. - Sami Kurtti; Juha Kostamovaara (IEEE J. Solid State Circuits, 2009)

A CMOS Time-to-Digital Converter (TDC) Based On a Cyclic Time Domain Successive Approximation Interpolation Method. - Antti Mäntyniemi; Timo Rahkonen; Juha Kostamovaara (IEEE J. Solid State Circuits, 2009)

Integrated Receiver Including Both Receiver Channel and TDC for a Pulsed Time-of-Flight Laser Rangefinder With cm-Level Accuracy. - Jan Nissinen; Ilkka Nissinen; Juha Kostamovaara (IEEE J. Solid State Circuits, 2009)

Synchronization in a Multilevel CMOS Time-to-Digital Converter. - Jussi-Pekka Jansson; Antti Mäntyniemi; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2009)

On-Chip Voltage Reference-Based Time-to-Digital Converter for Pulsed Time-of-Flight Laser Radar Measurements. - Ilkka Nissinen; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2009)

Combining the Standard Histogram Method and a Stimulus Identification Algorithm for A/D Converter INL Testing With a Low-Quality Sine Wave Stimulus. - Esa Korhonen; Carsten Wegener; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)

A Pulse Waveform Data Decomposition based on Multi Component Curve Fit Compared with Second Derivative Photoplethysmography and Phase Plane Plot. - Matti Huotari; Kari Määttä; Juha Kostamovaara (BIOSIGNALS, 2011)

Memory Optimized Two-Stimuli INL Test Method for DAC-ADC Pairs. - Esa Korhonen; Juha Kostamovaara (ETS, 2011)

Wide-Range Time-to-Digital Converter With 1-ps Single-Shot Precision. - Pekka Keränen; Kari Määttä; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2011)

An Integrated Laser Radar Receiver Channel Utilizing a Time-Domain Walk Error Compensation Scheme. - Sami Kurtti; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2011)

A multi-channel wide range time-to-digital converter with better than 9ps RMS precision for pulsed time-of-flight laser rangefinding. - Jussi-Pekka Jansson; Antti Mäntyniemi; Juha Kostamovaara (ESSCIRC, 2012)

A Multichannel High-Precision CMOS Time-to-Digital Converter for Laser-Scanner-Based Perception Systems. - Jussi-Pekka Jansson; Vesa Koskinen; Antti Mäntyniemi; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2012)

A time-gated 4×128 SPAD array with a 512 channel flash 80 ps-TDC for pulsed Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (ECCTD, 2013)

A 4 a peak current and 2 ns pulse width CMOS laser diode driver for high measurement rate applications. - Jan Nissinen; Juha Kostamovaara (ESSCIRC, 2013)

2×(4×)128 time-gated CMOS single photon avalanche diode line detector with 100 ps resolution for Raman spectroscopy. - Ilkka Nissinen; Antti-Kalle Länsman; Jan Nissinen; Jouni Holma; Juha Kostamovaara (ESSCIRC, 2013)

A time-to-digital converter (TDC) with a 13-bit cyclic time domain successive approximation interpolator with sub-ps-level resolution using current DAC and differential switch. - Salim Alahdab; Antti Mäntyniemi; Juha Kostamovaara (MWSCAS, 2013)

Algorithmic time-to-digital converter. - Pekka Keränen; Juha Kostamovaara (NORCHIP, 2013)

Oscillator Instability Effects in Time Interval Measurement. - Pekka Keränen; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

Time-to-digital converter based on analog time expansion for 3D time-of-flight cameras. - Muhammad Tanveer; Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara; Johan Borg; Jonny Johansson (IMSE, 2014)

A TDC-based 4×128 CMOS SPAD array for time-gated Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Jouni Holma; Juha Kostamovaara (ESSCIRC, 2014)

Repetitively actively gain-switched strongly asymmetric waveguide laser diode for high brightness picosecond pulse generation. - Eugene A. Avrutin; Boris S. Ryvkin; Juha T. Kostamovaara (ICTON, 2014)

Strongly asymmetric waveguide semiconductor lasers for picosecond pulse generation by gain- and Q-switching. - Boris S. Ryvkin; Eugene A. Avrutin; B. Lanz; Juha T. Kostamovaara (ICTON, 2014)

Time-to-digital converter (TDC) based on startable ring oscillators and successive approximation. - Antti Mäntyniemi; Juha Kostamovaara (NORCHIP, 2014)

Cross talk measurements of a time-gated 4×128 SPAD array for pulsed Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Jouni Holma; Juha Kostamovaara (NORCHIP, 2014)

A single chip laser radar receiver with a 9×9 SPAD detector array and a 10-channel TDC. - Sahba Jahromi; Jussi-Pekka Jansson; Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (ESSCIRC, 2015)

Time domain characterization of avalanche photo detectors for sub-ns optical pulses. - Mikko Hintikka; Juha Kostamovaara (I2MTC, 2015)

Asymmetric-waveguide gain-switched diode lasers: Design for optimal spectral properties for range finding and nonlinear applications. - Eugene A. Avrutin; Nuran Dogru; Boris S. Ryvkin; Juha T. Kostamovaara (ICTON, 2015)

A Wide Range, 4.2 ps(rms) Precision CMOS TDC With Cyclic Interpolators Based on Switched-Frequency Ring Oscillators. - Pekka Keränen; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2015)

Statistical behavior of a comparator with weak repetitive signal and additive white Gaussian noise. - Shufeng Zheng; Juha Kostamovaara (I2MTC, 2016)

An 80 × 25 pixel CMOS single-photon range image sensor with a flexible on-chip time gating topology for solid state 3D scanning. - Henna Ruokamo; Lauri Hallman; Harri Rapakko; Juha Kostamovaara (ESSCIRC, 2017)

On the microwave photonics based pulsed-time-of-flight techniques in the measurement of the thickness of dielectric sheets. - Janne P. Aikio; Juha Kostamovaara; Markus Berg 001; Erkki T. Salonen (I2MTC, 2017)

A laser radar based on a "impulse-like" laser diode transmitter and a 2D SPAD/TDC receiver. - Jaakko Huikari; Sahba Jahromi; Jussi-Pekka Jansson; Juha Kostamovaara (I2MTC, 2017)

CMOS technology scaling advantages in time domain signal processing. - Jussi-Pekka Jansson; Pekka Keränen; Juha Kostamovaara; Andrea Baschirotto (I2MTC, 2017)

Effects of the inhomogeneity of the time resolving CMOS single-photon avalanche diode array on time-gated Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (I2MTC, 2017)

On the effects of the excess bias of the SPAD on the timing accuracy in time interval measurement. - Jan Nissinen; Ilkka Nissinen; Jaakko Huikari; Sahba Jahromi; Jussi-Pekka Jansson; Juha Kostamovaara (IEEE SENSORS, 2017)

On the time gating of SPADs in a synchronized time-gated SPAD array in Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (IEEE SENSORS, 2017)

A Wide Dynamic Range CMOS Laser Radar Receiver With a Time-Domain Walk Error Compensation Scheme. - Sami Kurtti; Jan Nissinen; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Characterization of the Timing Homogeneity in a CMOS SPAD Array Designed for Time-Gated Raman Spectroscopy. - Jouni Holma; Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2017)

A CMOS chip set for accurate pulsed time-of-flight laser range finding. - Sami Kurtti; Jan Nissinen; Jussi-Pekka Jansson; Juha Kostamovaara (I2MTC, 2018)

A Low Noise, Wide Dynamic Range TOF Laser Radar Receiver Based on Pulse Shaping Techniques. - Aram Baharmast; Tarmo Ruotsalainen; Juha Kostamovaara (ISCAS, 2018)

Noise Considerations in Pulse-Shaping Based TIA Channel Designed for a Pulsed TOF Laser Radar Receiver. - Aram Baharmast; Juha Kostamovaara (NORCAS, 2018)

Time-gated CMOS SPAD and a Quantum Well Laser Diode with a CMOS Driver for Time-Resolved Diffuse Optics Imaging. - Jan Nissinen; Ilkka Nissinen; Sahba Jahromi; Tuomo Talala; Juha Kostamovaara (NORCAS, 2018)

Distance-Resolving Raman Radar Based on a Time-Correlated CMOS Single-Photon Avalanche Diode Line Sensor. - Jere Kekkonen; Jan Nissinen; Juha Kostamovaara; Ilkka Nissinen (Sensors, 2018)

A range-gated CMOS SPAD array for real-time 3D range imaging. - Henna Ruokamo; Lauri Hallman; Juha Kostamovaara (IMSE, 2019)

An 80×25 Pixel CMOS Single-Photon Sensor With Flexible On-Chip Time Gating of 40 Subarrays for Solid-State 3-D Range Imaging. - Henna Ruokamo; Lauri Hallman; Juha Kostamovaara (IEEE J. Solid State Circuits, 2019)

256 × TDC Array With Cyclic Interpolators Based on Calibration-Free 2× Time Amplifier. - Pekka Keränen; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

256 × 8 SPAD Array With 256 Column TDCs for a Line Profiling Laser Radar. - Pekka Keränen; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

High Power 1.5µm Pulsed Semiconductor Laser Design with a Bulk Active Layer and an Asymmetric Waveguide. - Boris S. Ryvkin; Eugene A. Avrutin; Lauri W. Hallman; Juha T. Kostamovaara (ICTON, 2020)

A 32 × 128 SPAD-257 TDC Receiver IC for Pulsed TOF Solid-State 3-D Imaging. - Sahba Jahromi; Jussi-Pekka Jansson; Pekka Keränen; Juha Kostamovaara (IEEE J. Solid State Circuits, 2020)

Temporal and Spatial Focusing in SPAD-Based Solid-State Pulsed Time-of-Flight Laser Range Imaging. - Juha Kostamovaara; Sahba Jahromi; Pekka Keränen (Sensors, 2020)

A Wide Dynamic Range Laser Radar Receiver Based on Input Pulse-Shaping Techniques. - Aram Baharmast; Sami Kurtti; Juha Kostamovaara (IEEE Trans. Circuits Syst. I Regul. Pap., 2020)

Enhancing Nutt-Based Time-to-Digital Converter Performance With Internal Systematic Averaging. - Jussi-Pekka Jansson; Pekka Keränen; Sahba Jahromi; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2020)

A CMOS Receiver-TDC Chip Set for Accurate Pulsed TOF Laser Ranging. - Sami Kurtti; Jussi-Pekka Jansson; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2020)

Trench visualisation from a semiautonomous excavator with a base grid map using a TOF 2D profilometer. - Ilpo Niskanen; Matti Immonen; Tomi Makkonen; Lauri Hallman; Martti Mikkonen; Pekka Keränen; Juha Kostamovaara; Rauno Heikkilä (J. Vis., 2023)

A 35 MHz CMOS Receiver for 3 ns Laser Pulses in Pulsed TOF Laser Ranging. - Juha Kostamovaara; Sami Kurtti; Tarmo Ruotsalainen (IEEE Trans. Instrum. Meas., 2025)