RFIC-Lab @ ECE-TUT, Finland
Founded:
Team:
CAD:
Measurements:
Teaching:
1995 in Dpt. Communications
15÷34 BSc, MSc & PhD
50 Cadence Licenses
Up to 27GHz On-Wafer
9 courses: Com. RF-IC
+ Vcc
L1 L
C1 L
C3 L
Out L
D1 L
2.5 V =
Vv1
1.5p
14p
L2 L
R1 L
C2 L
6k
C4 L
Vvar1
Funding:
Patents:
Publications:
Bell-Labs, IBM, Infineon,
Intel, Nokia, STMicro, TI.
9.4 Mln.USD
46 (W-4, USA-12, UK-8 …)
98 (25 in IEEE)
0.7p
5.4n
0.5p
Q1 L
R2 L
Partners:
3n
1p
GHz-range-IC:
VCO, DCO, T&H,
LNA, DCDC
1k
D2 L 1p
Q2 L
Vbias: 1.8 GHz
C5 L
R3 L
Vv2
14p
C6 L
6k
Vvar2
0.7p
R4 L
L3 L
1k
Vbias: 800 MHz
2n
Ic = 6mA
Q3
Some Key Publications:
Tchamov N.T., S.Broussev, I.Uzunov, K.Rantala,
Dual-Band LC VCO Architecture With a Fourth-Order Resonator,
IEEE Tr. on Circuits and Systems-II, Mar 2007.
Steyaert M.,B.Razavi, J.Fenk,W.Decock, N.T.Tchamov, K.Lee, M.Banu,
R.Schreier, H.Tanimoto, GigaHerts-Radio Front Ends, Workshop ‘GiRaFE’
IEEE Solid-State Circuits Conference, San Francisco, CA, USA, 2003.
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 1 / 9
nikolay@cs.tut.fi
TUT-ECE
RFIC
Project Funding
EU
Industry(Ger)
Industry(Fin)
Academy
Industry(USA)
Academy
Tekes
Published Main R & D Achievements
R & D Collaborations
Two-Phase Self-Assisted Zero-Voltage Switching DCDC Converter,
IEEE Tr. CAS-2, no.3, Mar. 2013.
Q-factor analysis for C-C LC oscillators using TVRL,
IEEE Tr. CAS-2, no.1, Jan. 2012.
Design consideration in tapped-inductor 4th-order Dual-Band VCO,
IEEE Tr. CAS-2, no.1, Jan. 2012.
A Darlington-Enhanced CMOS Oscillator Architecture
IEEE Tr. CAS-2, no. 1, Jan. 2012.
Evaluation & Comparison GHz-range LC Oscillators using TVRL,
Intl. Journal Circuit Theory & Applications 2011.
UMTS and GSM Low Phase Noise Inductively Tuned LC VCO,
IEEE Microwave and Wireless Components Letters, no. 3, Mar 2010.
Time-Varying Root Locus of Large-Signal LC Oscillators,
IEEE Tr. CAD IC and Sys, no. 5, May 2010.
Flicker Noise Up-Conversion Suppression in Differential LC Oscillators,
IEEE Tr. on CAS-2, no.11, Nov 2007.
Wideband Low Phase-Noise LC-VCO With Programmable Kvco,
IEEE Microwave and Wireless Components Letters, no.4, Apr 2007.
Dual-Band LC VCO Architecture With a Fourth-Order Resonator,
IEEE Tr. CAS-2, no. 3, Mar 2007.
Novel VCO Using Series Above-IC FBAR and Parallel LC Resonance,
IEEE Journal Solid-State Circuits, no.10.
Differential Pre-Compensated GHz-range Low-voltage Track-and-Hold,
IEE EL, no.2, Jan 2003.
Monolithic RF Bandpass Track-and-Hold,
IEE EL, no.2,Jan 2003.
3.6 GHz Double Cross-Coupled Multivibrator VCO 1.6 GHz Tuning,
IEEE Tr. CAS-2, no.8, Aug 2001.
High-Performance Differential VCO Based on Armstrong Oscillator,
IEEE Journal Solid-State Circuits, no.1, Jan 2001.
4.3 GHz VCO with 2-GHz Tuning Range and Low Phase Noise,
IEEE Journal Solid-State Circuits, no. 1, Jan 2001.
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
Microelectronics
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 2 / 9
nikolay@cs.tut.fi
RFCC-Lab Core Expertise Areas
Creating New
Architectures
of Monolithic
Circuits
+ Vcc
VCO, DCO, LNA, T&H,
DCDC in the Frequency
Range 10MHz ÷ 65GHz
using CADENCE
L1 L
C1 L
C3 L
Out L
1.5p
3n
1p
14p
L2 L
R1 L
C2 L
Evaluation & Scaling
Vv1
D1 L
Funding Proportions
2.5 V =
6k
Vvar1
C4 L
5.4n
0.5p
0.7p
Q1 L
D2 L 1p
RF
Measurements
On-Wafer
versus
Simulations
with Extracted
Parasitics
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
81%
I N D U ST R Y
Vbias: 1.8 GHz
C5 L
R3 L
Vv2
14p
C6 L
6k
Vvar2
0.7p
R4 L
L3 L
of the Critical Devices on Novel
32nm, 45nm, 65nm, 90nm, 130nm …
RF-CMOS, SiGe/BiCMOS, Si/Sapphire
Time-Variant Analysis
of Multiple Transistors
Non-Linear Circuits
1k
R2 L
Q2 L
Semi-Symbolic
8 % 11%
ACADEMY
T EKES
1k
Vbias: 800 MHz
2n
Ic = 6mA
Q3
46 Patents
in
Germany
USA, UK
Complete IC Specs Evaluation
98 Journal
Publications
(24 in IEEE)
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 3 / 9
nikolay@cs.tut.fi
RFIC-Lab
Background, Works & Targets
Devices Modeling in
CMOS, SiGe/BiCMOS
VCO & DCO for
Mobile Terminals
Nonlinear Electronic
Circuits Theory & CAD
GHz Sampling
Circuits
Novel GHz Circuits
Architectures
LNA and Filters
for DVB-IC
On-Wafer RF
Measurements
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
Battery & SuperCap
Management ICs
since 2007 …
since 1995 …
Low-Voltage and
High-Power DC-DC
since 2009 …
since 1997
Kinetic Energy
Recovery Systems
since 2003 …
since 2011 …
DC-DC for PA
Modulation
Wireless & PLC
in High EMI
since 2006 …
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
since 2012 …
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 4 / 9
nikolay@cs.tut.fi
Mobile / Stationary Big Volume Applications
BMS
µUSB
On/Off
1
2
3
4
5
6
IC
Charger
Controller
Monitor
Balancer
Sensor
24
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
K
E
R
S
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
Battery 48V
Motor
Controller
M
300A
Break
‘Gas’
DCDC
3-Phase
Rectifier
15 kW
G
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 5 / 9
nikolay@cs.tut.fi
The Energy Storages and the
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
IoE T
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 6 / 9
nikolay@cs.tut.fi
The Slow and Fast Energy Loops
Standard Concept
DC-to-AC
Battery
M/G
48V
AC-to-DC
20% Energy Recovery
ADVANCED: 80% Energy Recovery by 1,000 Battery Cycles VERSUS 1,000,000 SuperCap Cycles
Battery
48V
DC-to-DC
DC-to-DC
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
SuperCap
48V
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
DC-to-AC
M/G
AC-to-DC
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 7 / 9
nikolay@cs.tut.fi
The Super-Battery Project
Main Applications: City-eBusses; Fork-Lifts, Tools, UPS
3,000 € Standard Battery
I/O for 2,000 Cycles
5,500 € Super Battery
I/O for 800,000 Cycles
For 100 %
To Load
η = 65%
For 100 %
Charge
η = 70%
35 A
8 hours
Battery
48V
200Ah
400 A
20 min
For 100 %
Return
η = 30%
For 100 %
Charge
η = 80%
3000 A
for only
6 sec
RFIC Laboratory, Department of Electronics
and Communications Engineering
Super-Capacitor
48
V
Battery
20
48V
50Ah Ah
Cell Balancers
200 A
320 min
Tampere University of Technology
RF-DCDC
Converters
48V 3000A
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
For 100 %
To Load
η = 80%
400 A
45 sec
For 100 %
Return
η = 80%
3000 A
for only
6 sec
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 8 / 9
nikolay@cs.tut.fi
56kW Demonstrator:
The SuperKart of RFIC-Lab @ ECE-TUT
280 km/h
528 Nm
3.1 sec
Max Speed
Torque
to 100km/h
Battery & SuperCap
47.3 Kg Weight
6.2 kWh Capacity
40C Max Discharge
4C Max Charge(15min)
Cell-Dynamic BMS-CPU
KERS
230 Kg
Weight
30 km @ 150km/h
90 km @ 70km/h
Tampere University of Technology
RFIC Laboratory, Department of Electronics
and Communications Engineering
Prof. Nikolay T. Tchamov
Korkeakoulunkatu-1, TH-108
33720 – Tampere, Finland
Motor & Transmission
60 V
Development
60 kW
Cont. Power
90 kW
Max. Power
31.4 Kg
Weight
2 : 1 Power-to-Weight R.
+358-(0)40-582-5915
Apr-2013
www.cs.tut.fi/tlt/rfasic Page 9 / 9
nikolay@cs.tut.fi