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HMC346LC3B

Description
0 MHz - 18000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3.5 dB INSERTION LOSS-MAX
CategoryWireless rf/communication    Radio frequency and microwave   
File Size235KB,6 Pages
ManufacturerHittite Microwave(ADI)
Websitehttp://www.hittite.com/
Environmental Compliance
Download Datasheet Parametric View All

HMC346LC3B Overview

0 MHz - 18000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3.5 dB INSERTION LOSS-MAX

HMC346LC3B Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerHittite Microwave(ADI)
package instructionLCC12,.12SQ,20
Reach Compliance Codecompli
ECCN codeEAR99
Nominal attenuation30 dB
Characteristic impedance50 Ω
structureCOMPONENT
Maximum input power (CW)17.99 dBm
Maximum insertion loss3.5 dB
Installation featuresSURFACE MOUNT
Number of terminals12
Maximum operating frequency18000 MHz
Minimum operating frequency
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialCERAMIC
Encapsulate equivalent codeLCC12,.12SQ,20
RF/Microwave Device TypesVARIABLE ATTENUATOR
surface mountYES
technologyGAAS
Terminal surfaceGold Flash (Au) - with Nickel (Ni) barrie
HMC346LC3B
v05.1208
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 18 GHz
5
ATTENUATORS - ANALOG - SMT
Typical Applications
The HMC346LC3B is ideal for:
• Test Instrumentation
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar, & ECM
Features
Wide Bandwidth: DC - 18 GHz
Low Phase Shift vs. Attenuation
30 dB Attenuation Range
Simplified Voltage Control
RoHS Compliant 3 x 3 mm SMT Package
Functional Diagram
General Description
The HMC346LC3B is an absorptive Voltage Variable
Attenuator (VVA) in a leadless “Pb free” RoHS com-
pliant SMT mount ceramic package operating from
DC - 18 GHz. It features an on-chip reference atten-
uator for use with an external op-amp to provide
simple single voltage attenuation control, 0 to -3V.
The device is ideal in designs where an analog DC
control signal must control RF signal levels over a
30 dB amplitude range. The HMC346LC3B allows
the use of surface mount manufacturing techniques.
Electrical Specifi cations,
T
A
= +25° C, 50 Ohm system
Parameter
DC - 10 GHz
DC - 14 GHz
DC - 18 GHz
DC - 12 GHz
DC - 18 GHz
DC - 18 GHz
Min. Atten:
Atten. >2 dB:
Min. Atten:
Atten. >2 dB:
tRISE, tFALL (10/90% RF):
tON, tOFF (50% CTL to 10/90% RF):
26
22
Min
Typical
1.5
2.2
2.8
30
26
10
+8
-4
+25
+10
2
8
Max
2.0
2.7
3.5
Units
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ns
ns
Insertion Loss
Attenuation Range
Return Loss
Input Power for 0.25 dB Compression (0.5 - 18 GHz)
Input Third Order Intercept (0.5 - 18 GHz)
(Two-tone Input Power = -8 dBm Each Tone)
Switching Characteristics
5 - 80
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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