Technology: Microelectronics
Celeritek high dynamic range amplifier A high dynamic range amplifier
exceptional
for transmit and receive func-
point of 41dBm and current
tions in fmed wireless
consumption
and wire-
less LAN applications
where
high linearity is required been launched
has
cellular
operating
from 0.8 to 2.2 GHz;
This new power
MMDS
amplifier, comple-
reduced
current
for applications
with enhanced
linearity
current
and
in an extreme-
ly small form-factor.
conductor,
Semi-
The amplifier
Inc. (Torrance,
USA) has raised $17.5m
CA, in Ser-
existing fmancial investors, Kwang Hua Investment
was joined by several new and
in
meas-
uringonly3x3~1.5mm
In the past month has made significant
GCS as an
electrical
stabil-
resistance.
GCS
in their proprietary
progress InP
foundry. Its proprietary
HBT foundry process
world-class
InGaAs mesa PIN photodiode
InP HBT foundry
supports
40Gb/sec
PAS for 3G handsets wave frequency
join GCS’s board of directors.
Economic downturn
from
have qualified
data rates for OC-768
Partners, will
is packaged
and space-efficient
Four major customers
process
YFY Investment
a low-cost
ity and low thermal
T.J. Huang, President
and
The CMM6004
high providing
Holding, and SinoStar Capital.
this round of financing
GHz; and HiperLAN and U-NH from 5 to 6 GHz.
18dB of gain, 24dBm PldB, an
Investment
of TCW/
from 2.2 to 2.7 GHz;
WLAN at 2.4 GHz;WLL at 3.5
0.25 to 7.0 GHz and offers
ies D equity funding. TCW/YFY Partners, Ltd. led
and PCS
land grid array package
operates
InGaP HBT production
Including the FIC group,
in applications
Inc. (Santa Clara, CA, USA).
RFIC offerings
Global Communications
amplifier including:
ments the company’s
GCS raises more funds
of 180 mA. It is
useful when used as a driver
by Celeritek,
model CMM6004,
Tiny power amplifiers from Celeritek
output intercept
and and mm-
transceivers.
process
and
for 1310 nm and
1550 nm high-speed
optical
fibre communication applications.
threatens discrete diode markets “Threats to discrete
turers to rethink their business
markets will also come
effects of an economic
of phenomenal
strategies.
from competing
turn, and challenges
from com-
peting technologies,
market
booming
to a new survey from growth due to
telecommunications
and data communications
indus
tries, the world market for disCrete diodes is constricting. The current
economic
turn has weakened
demand
from key application leaving suppliers excess
with large
inventories.The
Diode Markets’, reveals that this
The trend toward ICs is a seri-
industry generated
ous threat to discrete
$2.61bn
short-term
revenues in 2000After
restriction
result
could be further erosion of
from
announced
the sale of a DIVA
Engineering,
of
Univer-
shy of South Florida in Tampa.
At the same time, the
ever, high-frequency
multiplication
diode solu-
Schottky, varac-
tor, and PIN diodes, are likely to
will drive demand for diodes
remain unaffected
and provide
by this
trend.”
2007.
devices
of electronic
diode markets will
in automobiles new growth
opportunities.
Professor Director
Larry Dunleavy, of the WAMI Center
Department
of the University
of South Florida College of
said, “Pulsed I-V measurements,
Engineering,
DIVA is a pulsed current voltage
Eke DIVA can provide, are
industry-oriented
research
measurement
indispensable
a strong wireless
circuits
conditions
Electrical
Analyst Kaman Monga. “How-
and RF and
performs
(WAMI) in the Department
to secure
income.
microwave
Dynamic I(v) Analyzer to the Center
fy new opportunities
protection,
Wireless
and Microwave
will have to identi-
tions, including
rise steadily through
Optical Technologies
participants
down-
small signal, Zener, transient
Accent DIVA to WAMI Accent
diodes,”
says Frost & Sullivan Industry
of
returns, total revenues
sectors,
technologies.
The report, ‘World Discrete
totalling
down-
diode
To combat price erosion, the ill
prices that will force manufac-
Frost & Sulhvan after a period
According
instrument
measurements
that
transistor
under
for non-linear
model development.
and focuses
systems curriculum
on and and
leading to
Additionally, they have applica-
BSEE, MSEE, and Ph.D. degrees.
tive of the physical conditions
tions in diode modelling.”
A Graduate Certificate
that exist in practical
The WAMI Center is part of the
Wireless
Electrical
available.
that are representaw, micro-
wave and mm-wave circuits.
Ill-Vs
REVIEW
Engineering
THE ADVANCED
SEMICONDUCTOR
Engineering
MAGAZINE
VOL15
in is also
- NO 2 - MARCH
2002