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HMC425 Datasheet

  • HMC425

  • 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUAT...

  • 6頁

  • HITTITE

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v01.0402
MICROWAVE CORPORATION
HMC425
Features
0.5 dB LSB Steps to 31.5 dB
Single Control Line Per Bit
+/- 0.5 dB Typical Bit Error
Die Size: 0.85 mm x 1.5 mm x 0.1 mm
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, 2.4 - 8.0 GHz
Typical Applications
The HMC425 is ideal for:
2
ATTENUATORS - CHIP
鈥?/div>
Fiber Optics & Broadband Telecom
鈥?/div>
Microwave Radio & VSAT
鈥?/div>
Military Radios, Radar, & ECM
鈥?/div>
Space Applications
Functional Diagram
General Description
The HMC425 die is a broadband 6-bit GaAs IC
digital attenuator MMIC chip. Covering 2.4 to 8.0
GHz, the insertion loss is less then 3.5 dB typical.
The attenuator bit values are 0.5 (LSB), 1, 2, 4,
8, and 16 dB for a total attenuation of 31.5 dB.
Attenuation accuracy is excellent at 鹵 0.5 dB typi-
cal step error with an IIP3 of +40 dBm. Six con-
trol voltage inputs, toggled between 0 and +3 to
+5V, are used to select each attenuation state. A
single Vdd bias of +3 to +5V is required.
Electrical Speci鏗乧ations,
T
A
= +25擄 C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
Parameter
Insertion Loss
Attenuation Range
Return Loss (RF1 & RF2, All Atten. States)
Attenuation Accuracy: (Referenced to Insertion Loss)
Input Power for 0.1 dB Compression
All States
Vdd= 5V
Vdd= 3V
REF - 16.0 dB States
16.5 - 31.5 dB States
Frequency (GHz)
2.4 - 6.0 GHz
6.0 - 8.0 GHz
2.4 - 8.0 GHz
2.4 - 8.0 GHz
2.4 - 8.0 GHz
2.4 - 8.0 GHz
12
Min.
Typ.
2.7
3.5
31.5
15
Max.
3.2
4.0
Units
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
鹵 0.4 + 4% of Atten. Setting Max
22
19
45
35
Input Third Order Intercept Point
(Two-Tone Input Power= 0 dBm Each Tone)
Switching Characteristics
2.4 - 8.0 GHz
2.4 - 8.0 GHz
tRISE, tFALL (10/90% RF)
tON/tOFF (50% CTL to 10/90% RF)
160
180
ns
ns
2 - 14
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com

HMC425 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 停產(chǎn)

  • -

  • 散裝

  • 停產(chǎn)

  • 31.5dB

  • 2.4 GHz ~ 8 GHz

  • -

  • 50 Ohms

  • 模具

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