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LTC5548IUDB#TRMPBF

Description
2GHZ TO 14GHZ MICROWAVE MIXER WI
CategoryTopical application    Wireless rf/communication   
File Size464KB,20 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric Compare View All

LTC5548IUDB#TRMPBF Overview

2GHZ TO 14GHZ MICROWAVE MIXER WI

LTC5548IUDB#TRMPBF Parametric

Parameter NameAttribute value
RF typeradar
frequency2GHz ~ 14GHz
Number of mixers2
Gain-
Noise Figure9.6dB
Auxiliary properties-
Current - Power136mA
Voltage - Power3.3V
Package/casing12-WFQFN Exposed Pad
Supplier device packaging12-QFN(2x3)
FeaTures
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LTC5548
2GHz to 14GHz
Microwave Mixer with
Wideband DC– 6GHz IF
DescripTion
The
LTC
®
5548
is a high performance, microwave double
balanced passive mixer that can be used for frequency
upconversion or downconversion. The device is similar
to the LTC5549, but with a broadband, differential DC to
6GHz IF port. The LTC5548 is recommended for applica-
tions where the IF frequency range extends below 500MHz.
For applications where the IF frequency is always above
500MHz, the LTC5549 is recommended, since it includes
an integrated IF balun.
The LTC5548’s mixer and integrated RF balun are opti-
mized to cover the 2GHz to 14GHz RF frequency range.
The device includes an integrated LO amplifier optimized
for the 1GHz to 12GHz frequency range, requiring only
0dBm drive. The device also includes an integrated LO
frequency doubler, which can be enabled or disabled with
a CMOS-compatible control pin.
The LTC5548 delivers exceptionally high IIP3 and P1dB,
in addition to very low LO to RF and LO to IF leakages.
The part also offers high integration in a small package.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
n
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Upconversion or Downconversion
High IIP3: +24.4dBm at 5.8GHz
+21.4dBm at 9GHz
7.1dB Conversion Loss at 5.8GHz
+15.2dBm Input P1dB at 5.8GHz
Integrated LO Buffer: 0dBm LO Drive
Selectable Integrated LO Frequency Doubler
Low LO-RF Leakage: <–30dBm
50Ω Wideband Matched RF and LO Ports
3.3V/120mA Supply
Fast Turn ON/OFF for TDD Operation
3mm × 2mm, 12-Lead QFN Package
applicaTions
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Microwave Transceivers
Wireless Backhaul
Point-to-Point Microwave
Phased-Array Antennas
C, X and Ku Band RADAR
Test Equipment
Satellite MODEMs
Typical applicaTion
LTC5548
LNA
RF
LO
R
X
LO
T
X
LO
LO
PA
RF
IF
T
X
IF
IN
IF
Conversion Loss and IIP3
(Low Side LO, IF = 240MHz)
CONVERSION LOSS (dB), IIP3 (dBm)
R
X
IF
OUT
30
28
26
24
22
20
18
16
14
12
10
8
6
CONVERSION LOSS
DOWNMIXING
UPMIXING
IIP3
DUPLEXER
LTC5548
5548 TA01a
2
3
4
5
6
7
8
9
10 11 12
5548 TA01b
RF FREQUENCY (GHz)
For more information
www.linear.com/LTC5548
1
5548f

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