10-2020

RF & Wireless
noise figure less than 4.5 dB. The transmit
path (PA+SW) provides 18 dB of small
signal gain with low EVM of 4% at 24 dBm
average output power.
Saturated output power is up to 2 Watts. Targeting
39 GHz phased array 5G NR base stations
and terminals, the compact 4.5 x 6 mm
air-cavity laminate, surface mount package
with embedded copper heat slug employs
a low thermal resistance die attach process
making the QPF4005 ideal for phased array
applications with tight lattice spacing and
extreme temperature requirements.
■ RFMW
info@rfmw.com
www.rfmw.com
4-way Power Divider offers
Repeatability
RFMW announced availability of the
Knowles – DLI Wilkinson Power Divider
portfolio ranging from 2 to 42 GHz. The
portfolio also includes filters and broadband
couplers. DLI’s PDW08607 is a
4-way power divider operating from 5.3 to
5.9 GHz with a maximum excess insertion
loss of 0.7 dB and 18 dB of isolation. With
excellent repeatability, DLI power dividers
are ideal for ultra-compact phased array
antenna applications with models supporting
sub-6 GHz 5G designs as well as n257,
n258, n260 and n261 mmWave bands. The
PDW08607 has an amplitude balance of 0.4
dB and phase balance of 4 degrees. These
ceramic substrate devices utilize patented
materials exhibiting excellent temperature
stability and high K factor. Combined, these
characteristics enable off-the-shelf solutions
with small size with high performance. This
power divider is available in a surfacemount
package that measures 4.45 x 6.6 x
0.76 mm. Evaluation boards are available
for qualifying programs.
■ RFMW
info@rfmw.com
www.rfmw.com
Family of 5G Dual-Channel
Receiver Frontends
Richardson RFPD, an Arrow Electronics
company, announced the availability and full
design support capabilities for a family of
RF and millimeter-wave front end modules
from Analog Devices, Inc. These dual-channel
receiver front-end multichip modules are
designed for time division duplexing (TDD)
applications that operate from 2.4-4.2 GHz
(ADRF5545A), 3.7-5.3 GHz (ADRF5547)
and 1.8-2.8 GHz (ADRF5549). The devices
are configured in dual channels with a cascading
two-stage LNA and a high-power silicon
SPDT switch. They are well suited for
wireless infrastructure, TDD massive multiple
input and multiple output and active
antenna systems, and TDD-based communication
system applications.
Key features of the family of front end
modules include:
• On-chip bias and matching
• Single supply operation
• Gain:
ADRF5545A @ 3.6 GHz: 32 dB typ. high
gain mode, 16 dB typ. low gain mode
ADRF5547 @ 4.6 GHz: 33 dB typ. high
gain mode, 18 dB typ. low gain mode
ADRF5549 @ 2.3 GHz: 35 dB typ. high
gain mode, 17 dB typ. low gain mode
• Noise figure:
ADRF5545A @ 3.6 GHz: 1.45 dB typ.
ADRF5547 @ 4.6 GHz: 1.6 dB typ.
Richardson Electronics
Now a Global Distributor
for AC Propulsion
Richardson Electronics, Ltd. announced
a new distribution agreement with
AC Propulsion to distribute inverter
products. Specializing in the design,
development, and production of EV
propulsion systems and system components,
AC Propulsion and its international
affiliates develop and manufacture
high performance, high-efficiency
SiC & IGBT-based inverter products
ranging from complete inverters and
inverter boards to power modules, for
high power applications up to 350kW.
A commitment to advancing technology,
product quality, and customer
satisfaction drives the company. Its products
feature high-efficiency designs,
are fully compatible with regenerative
motor braking, and come in a modular
architecture allowing for a large range
of rated power. These inverters work
in a number of markets including automotive,
marine, industrial, and aircraft.
“AC Propulsion is an excellent addition
to our growing partnerships. Its
products are versatile and will provide
new opportunities in growing markets,”
said Greg Peloquin, Executive Vice President
of Richardson Electronics’ Power
& Microwave Technologies group.
“Our team is very excited to bring AC
Propulsion’s advanced inverter products,
and especially our pioneering
SiC technology with its outstanding
benefits, to an ever-increasing customer
audience, together with Richardson
Electronics,” said Crystal He, President
& CEO of AC Propulsion Inc.
■ Richardson RFPD
www.richardsonrfpd.com
ADRF5549 @ 2.3 GHz: 1.4 dB typ.
• Insertion loss:
ADRF5545A @ 3.6 GHz: 0.65 dB typ.
ADRF5547 @ 4.6 GHz: 0.50 dB typ.
ADRF5549 @ 2.3 GHz: 0.6 dB typ.
• OIP3:
ADRF5545A: +32 dBm typ.
ADRF5547: +31 dBm typ.
ADRF5549: +32 dBm typ.
• 6 x 6 mm, 40-lead LFCSP package
■ Richardson RFPD
www.richardsonrfpd.com
hf-praxis 10/2020 73