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Hittite Microwave Corporation - 0.5dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR

Numéro de référence HMC941LP4E
Description 0.5dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR
Fabricant Hittite Microwave Corporation 
Logo Hittite Microwave Corporation 





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HMC941LP4E fiche technique
v00.0910
Typical Applications
The HMC941LP4 / HMC941LP4E is ideal for:
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar & ECM
• Space Applications
• Sensors
• Test & Measurement Equipment
Functional Diagram
HMC941LP4 / 941LP4E
0.5 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, 0.1 - 33 GHz
Features
0.5 dB LSB Steps to 15.5 dB
Single Positive Control Line Per Bit
±0.5 dB Typical Bit Error
High Input IP3: +45 dBm
16mm2 Leadless SMT Plastic Package
General Description
The HMC941LP4 & HMC941LP4E are broadband 5-bit
GaAs IC digital attenuators in low cost leadless sur-
face mount packages. Covering 0.1 to 33.0 GHz, the
insertion loss is less than 4 dB typical. The attenuator
bit values are 0.5 (LSB), 1, 2, 4, 8, for a total attenu-
ation of 15.5 dB. Attenuation accuracy is excellent
at ±0.3 dB typical step error with an IIP3 of +45 dBm.
Five control voltage inputs, toggled between +5V and
0V, are used to select each attenuation state.
Electrical Specifications, TA = +25° C, With Vdd = +5V, Vss = -5V, P0 - P4 = 0/ +5V
Parameter
Frequency (GHz)
Min.
Typ. Max.
Insertion Loss
0.1 - 18.0 GHz
18.0 - 26.5 GHz
26.5 - 33.0 GHz
3.0 4.5
4.0 6.0
5.0 6.5
Attenuation Range
0.1 - 33.0 GHz
15.5
Return Loss (RF1 & RF2, All Atten. States)
0.1 - 33.0 GHz
12
Attenuation Accuracy: (Referenced to Insertion Loss)
0.5 - 7.5 dB States
8 - 15.5 dB States
0.1 - 33.0 GHz
0.1 - 33.0 GHz
± (0.3 + 4%) of Atten. Setting Max
± (0.3 + 8%) of Atten. Setting Max
Input Power for 0.1 dB Compression
0.1 - 0.5 GHz
0.5 - 33.0 GHz
22
27
Input Third Order Intercept Point
(Two-Tone Input Power= 0 dBm Each Tone)
0.1 - 0.5 GHz
0.5 - 33.0 GHz
42
45
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON/tOFF (50% CTL to 10/90% RF)
0.1 - 33.0 GHz
60
90
Idd
0.1 - 33.0 GHz
2.5
4.5 6.5
Iss
0.1 - 33.0 GHz
-7.0
-5.0 -3.0
Units
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ns
ns
mA
mA
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
1
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]

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