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HMC472A

更新时间： 2024-12-02 14:57:31
品牌 Logo 应用领域
亚德诺 - ADI 衰减器
页数 文件大小 规格书
8页 669K
描述
0.5dB LSB GaAs MMIC 6位数字正电压控制衰减器，DC - 3.8 GHz

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HMC472A 数据手册

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HMC472ALP4 / 472ALP4E  
v02.0420  
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL  
POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz  
Typical Applications  
Features  
The HMC472ALP4E is ideal for:  
• 3G Infrastructure & access points  
• Cellular/3G, LTE & UMB  
0.5 dB LSB Steps to 31.5 dB  
Single Control Line Per Bit  
TTL/CMOS Compatible Control  
0.25 dB Typical Step Error  
• WiMAX, WiBN & Fixed Wireless  
• Test Equipment and Sensors  
• GSM, WCDMA & TD-SCDMA  
Single +5V Supply  
24 Lead Ceramic 4x4mm SMT Package: 16mm²  
Functional Diagram  
General Description  
The HMC472ALP4E are broadband 6-bit GaAs IC  
digital attenuators in low cost leadless surface mount  
packages. This single positive control line per bit  
digital attenuator incorporates off chip AC ground  
capacitors for near DC operation, making it suit-  
able for a wide variety of RF and IF applications.  
Covering DC to 3.8 GHz, the insertion loss is less  
than 2.0 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 0.25 dB  
typical step error with an IIP3 of +54 dBm. Six TTL/  
CMOS control inputs are used to select each attenua-  
tion state. A single Vdd bias of +5V is required.  
Electrical Specifications,  
TA = +25° C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)  
Parameter  
Frequency (GHz)  
Min.  
Typ.  
Max.  
Units  
DC - 1.5 GHz  
1.5 - 3.0 GHz  
3.0 - 3.8 GHz  
1.4  
1.7  
1.9  
1.8  
2.3  
3
dB  
dB  
dB  
Insertion Loss  
Attenuation Range  
DC - 3.8 GHz  
DC - 3.8 GHz  
31.5  
20  
dB  
dB  
Return Loss (RF1 & RF2, All Atten. States)  
Attenuation Accuracy: (Referenced to Insertion  
Loss)  
All Attenuation States  
0.5 - 3.5 dB States  
4.0 - 31.5 dB States  
All Attenuation States  
All Attenuation States  
DC - 1.0 GHz  
1.0 - 2.2 GHz  
1.0 - 2.2 GHz  
2.2 - 3.0 GHz  
3.0 - 3.8 GHz  
(0..20 + 3% of Atten. Setting) Max.  
(0.25 + 3% of Atten. Setting) Max.  
(0.15 + 4% of Atten. Setting) Max.  
(0.30 + 3% of Atten. Setting) Max  
(0.35 + 5% of Atten. Setting) Max.  
dB  
dB  
dB  
dB  
dB  
Input Power for 0.1 dB Compression  
0.1 - 3.8 GHz  
0.1 - 3.8 GHz  
30  
dBm  
Input Third Order Intercept Point  
(Two-Tone Input Power= 0 dBm Each Tone)  
REF - 15.5 dB States  
16.0 - 31.5 dB States  
54  
49  
dBm  
dBm  
Switching Characteristics  
DC - 3.8 GHz  
tRISE, tFALL (10/90% RF)  
40  
60  
ns  
ns  
tON, tOFF (50% CTL to 10/90% RF)  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registered trademarks are the property of their respective owners.  
For price, delivery, and to place orders: Analog Devices, Inc.,  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106  
Phone: 781-329-4700 • Order online at www.analog.com  
Application Support: Phone: 1-800-ANALOG-D  
1
12345678

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 		0.5 dB LSB GaAs MMIC 6-Bit Digital Positive Control Attenuator, DC - 3.8 GHz
HMC472ALP4E HITTITE

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HMC472ALP4E ADI

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 		0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz
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 		0.5 dB LSB GaAs MMIC 6-Bit Digital Positive Control Attenuator, DC - 3.8 GHz
HMC472ALP4ETR HITTITE

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HMC472ALP4TR ADI

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 		0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz
HMC472LP4 HITTITE

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 		0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
HMC472LP4_09 HITTITE

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 		0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz
HMC472LP4E HITTITE

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 		0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz
HMC472LP4ERTR HITTITE

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