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參數(shù)資料
| 型號： | HMC542ALP4E |
| 廠商： | Hittite Microwave Corporation |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 966K |
| 描述： | ATTENUATOR DGTL 6BIT 4X4QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 衰減值： | 0.5dB ~ 31.5dB |
| 頻率范圍： | 0 ~ 4GHz |
| 阻抗： | 50 歐姆 |
| 封裝/外殼： | 24-VQFN 裸露焊盤 |
| 其它名稱： | 1127-1054-6 |
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, 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
1
HMC542ALP4 / 542ALP4E
v06.0312
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
SERIAL CONTROL ATTENUATOR, DC - 4 GHz
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?/DIV>
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
?.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
dB
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
1.0 - 2.2 GHz
2.2 - 3.0 GHz
3.0 - 4.0 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
dB
dB
dB
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
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 4.0 GHz
800
900
ns
ns
Typical Applications
Features
General Description
Designers Kit
Available
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(biāo)準(zhǔn)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 |
| HMC542LP4_09 | 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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