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參數(shù)資料
| 型號： | HMC542ALP4 |
| 廠商： | HITTITE MICROWAVE CORP |
| 元件分類： | 衰減器 |
| 英文描述： | 0 MHz - 3000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.8 dB INSERTION LOSS-MAX |
| 封裝： | 4 X 4 MM, LEADLESS, PLASTIC, SMT, QFN-24 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 667K |
| 代理商： | HMC542ALP4 |
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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HMC542ALP4 / 542ALP4E
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
SERIAL CONTROL ATTENUATOR, DC - 4 GHz
v04.0111
Functional Diagram
Electrical Specifications, T
A = +25° C, with Vcc = +5V
the HMC542ALP4(e) is ideal for:
Cellular/PCs/3G Infrastructure
IsM, MMDs, WLAn, WiMAX, & WiBro
Microwave radio & VsAt
test equipment and sensors
0.5 dB LsB steps to 31.5 dB
ttL/CMos Compatible serial Data Interface
sPI Compatible serial output
± 0.25 dB typical step error
single +5V supply
24 Lead 4x4mm QFn Package: 16mm
the HMC542ALP4(e) is a broadband 6-bit GaAs IC
digital attenuator with a CMos compatible serial
to parallel driver in low cost leadless surface mount
package. this serial control digital attenuator incorp
rates off chip AC ground capacitors for near DC opera-
tion, making it suitable for a wide variety of rF and
IF applications. Covering DC to 4 GHz, the inser-
tion loss is 1.5 dB and the attenuator bit values are
0.5 (LsB), 1, 2, 4, 8, and 16 dB for a total attenua-
tion of 31.5 dB. Attenuation accuracy is excellent at
±0.25 dB typical step error with an IIP3 of +45 dBm.
six bit serial control words are used to select each
attenuation state. A single Vdd bias of +5V is required.
Parameter
Frequency (GHz)
Min.
typ.
Max.
units
Insertion Loss
DC - 1.5 GHz
1.5 - 3.0 GHz
3.0 - 4.0 GHz
1.2
1.5
1.8
1.5
1.8
2.3
dB
Attenuation range
DC - 4.0 GHz
31.5
dB
return Loss (rF1 & rF2, All Atten. states)
DC - 4.0 GHz
17
dB
Attenuation Accuracy: (referenced to Insertion Loss)
All Attenuation states
0.5 - 3.5 dB states
4.0 - 31.5 dB states
All Attenuation states
0.5 - 3.5 dB states
4.0 - 31.5 dB states
DC - 1.0 GHz
1.0 - 2.2 GHz
2.2 - 3.0 GHz
3.0 - 4.0 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
± (0.15 + 5% of Atten. setting) Max
± (0.50 + 5% of Atten. setting) Max.
dB
Input Power for 0.1 dB Compression
0.1 - 4.0 GHz
20
dBm
Input third order Intercept Point
(two-tone Input Power= 0 dBm each tone)
0.1 - 1.5 GHz
1.5 - 4.0 GHz
35
45
dBm
switching Characteristics
trIse, tFALL (10/90% rF)
ton, toFF (50% CtL to 10/90% rF)
DC - 4.0 GHz
800
900
ns
Typical Applications
Features
General Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HMC542ALP4E | 功能描述:ATTENUATOR DGTL 6BIT 4X4QFN RoHS:是 類別:RF/IF 和 RFID >> 衰減器 系列:- 標準包裝:1 系列:- 衰減值:- 容差:±1% 頻率范圍:0 ~ 500MHz 功率（瓦特）:2W 阻抗:93 歐姆 封裝/外殼:BNC 單排模塊 |
| HMC542ALP4ETR | 制造商:Hittite Microwave Corp 功能描述:ATTENUATOR DGTL 6BIT 4X4QFN 制造商:Hittite Microwave Corp 功能描述:HMC542 Series DC - 4 Ghz 0.5db 6-Bit GaAs Digital Attenuator - 4x4 mm QFN-24 |
| HMC542BLP4E | 功能描述:RF Attenuator 31.5dB ±0.2dB 0 ~ 4GHz 50 Ohm 560mW 24-VFQFN Exposed Pad 制造商:analog devices inc. 系列:- 零件狀態(tài):在售 衰減值:31.5dB 容差:±0.2dB 頻率范圍:0 ~ 4GHz 功率（W）:560mW 阻抗:50 歐姆 封裝/外殼:24-VFQFN 裸露焊盤 標準包裝:1 |
| HMC542BLP4ETR | 制造商:Hittite Microwave Corp 功能描述:HMC524 Series Dc - 4 Ghz 3 / 5 V 0.5 dB LSB 6-Bit SMT Digital Attenuator |
| HMC542LP4 | 制造商:HITTITE 制造商全稱:Hittite Microwave Corporation 功能描述:0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 3 GHz |
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