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346LP3E

Description
GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, DC - 14 GHz
File Size363KB,6 Pages
ManufacturerHittite Microwave(ADI)
Websitehttp://www.hittite.com/
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346LP3E Overview

GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, DC - 14 GHz

HMC346LP3
/
346LP3E
v03.0705
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
Typical Applications
Features
Wide Bandwidth: DC - 14 GHz
Low Phase Shift vs. Attenuation
30 dB Attenuation Range
Simplified Voltage Control
3 mm x 3 mm x 1 mm SMT Package
6
ATTENUATORS - SMT
The HMC346LP3 / HMC346LP3E is ideal for:
• Basestation Infrastructure
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar, & ECM
• Test Instrumentation
Functional Diagram
General Description
The HMC346LP3 & HMC346LP3E are pabsorp-
tive Voltage Variable Attenuators (VVA) in low cost
leadless surface mount plastic packages operating
from DC - 14 GHz. It features an on-chip reference
attenuator 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. This VVA is an excellent alterna-
tive to the HMC121C8.
Electrical Specifications,
T
A
= +25° C, 50 ohm system
Parameter
Insertion Loss
Attenuation Range
Return Loss
Switching Characteristics
Input Power for 0.25 dB Compression (0.5 - 8 GHz)
Input Third Order Intercept (0.5 - 8 GHz)
(Two-tone Input Power = -8 dBm Each Tone)
DC - 10 GHz
DC - 14 GHz
DC - 10 GHz
DC - 14 GHz
DC - 14 GHz
tRISE, tFALL (10/90% RF):
tON, tOFF (50% CTL to 10/90% RF):
Min. Atten:
Atten. >2 dB:
Min. Atten:
Atten. >2 dB:
27
22
5
Min
Typical
1.7
2.8
30
27
10
2
8
+8
-4
+25
+10
Max
2.2
3.3
Units
dB
dB
dB
dB
dB
ns
ns
dBm
dBm
dBm
dBm
6 - 96
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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Description GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, DC - 14 GHz GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, DC - 14 GHz GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, DC - 14 GHz
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