Datasheet > LTC5549IUDB#TRMPBF

LTC5549IUDB#TRMPBF

更新时间： 2024-02-10 08:52:50

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LTC5549

2GHz to 14GHz Microwave

Mixer with Integrated

LO Frequency Doubler

DescripTion

The LTC^®5549 is a general purpose passive double-

balanced mixer that can be used for upconversion or

downconversion. The RF port is designed for the 2GHz to

14GHz band and the IF port is optimized for 500MHz to

6GHzoperation.AnintegratedLObufferamplifiersupports

LO frequencies from 1GHz to 12GHz, requiring only 0dBm

LO power. The LTC5549 delivers high IIP3 and input P1dB

with low power consumption.

FeaTures

Upconversion or Downconversion

High IIP3: +28.2dBm at 5.8GHz

+22.8dBm at 12GHz

8.0dB Conversion Loss at 5.8GHz

+14.3dBm Input P1dB at 5.8GHz

Integrated LO Buffer: 0dBm LO Drive

Bypassable Integrated LO Frequency Doubler

Low LO-RF Leakage: <–30dBm

50Ω Single-Ended RF, LO and IF Ports

3.3V/115mA Supply

Fast Turn ON/OFF for TDD Operation

2mm × 3mm, 12-Lead QFN Package

An internal LO frequency doubler can be enabled by a

CMOS-compatible digital control pin, allowing operation

with a lower, one-half LO input frequency. This allows the

mixer’sLOporttobeusedwithexistingsynthesizers,such

as the LTC6946 and LTC6948 family.

TheLTC5549’shighlevelofintegrationminimizesthetotal

solution cost, board space and system level variation with

its 2mm × 3mm package size.

applicaTions

Microwave Transceivers

Wireless Backhaul

Point-to-Point Microwave

Phased-Array Antennas

C, X and Ku Band RADAR

Test Equipment

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.

Satellite MODEMs

Typical applicaTion

Conversion Loss and IIP3

(Low Side LO, IF = 1890MHz)

LTC5549

OUT

IIP3

LNA

DUPLEXER

DOWNMIXING

UPMIXING

CONVERSION LOSS

LTC5549

5549 TA01a

11 12 13

RF FREQUENCY (GHz)

5549 TA01b

5549fa

For more information www.linear.com/LTC5549

12 3 4 5 6 7...20

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