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參數資料
| 型號： | HMC470LP3E |
| 廠商： | 美國訊泰微波有限公司上海代表處 |
| 英文描述： | 1 dB LSB GaAs MMIC 5-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz |
| 中文描述： | 1分貝LSB的砷化鎵微波單片集成電路的5位數字陽性對照衰減器，直流- 3.0吉赫 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 399K |
| 代理商： | HMC470LP3E |
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
Designer’s Kit
Available
HMC470LP3
/
470LP3E
1 dB LSB GaAs MMIC 5-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
v02.0605
Functional Diagram
Electrical Specifications,
T
A
= +25° C, With Vdd = +5V & Vctl = 0/+5V
(Unless Otherwise Noted)
The HMC470LP3 /HMC470LP3E is ideal for both RF
and IF applications:
Cellular; UMTS/3G Infrastructure
ISM, MMDS, WLAN, WiMAX
Microwave Radio & VSAT
Test Equipment and Sensors
1 dB LSB Steps to 31 dB
Single Control Line Per Bit
TTL/CMOS Compatible Control
+/- 0.3 dB Typical Step Error
Single +5V Supply
3 x 3 mm SMT Package
Included in the HMC-DK004 Designer’s Kit
The HMC470LP3 & HMC470LP3E are broadband
5-bit GaAs IC digital attenuators in low cost lead-
less surface mount packages. This single positive
control line per bit digital attenuator incorporates
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 3.0 GHz, the
insertion loss is less than 1.5 dB typical. The
attenuator bit values are 1 (LSB), 2, 4, 8, and 16 dB
for a total attenuation of 31 dB. Attenuation accuracy
is excellent at ± 0.3 dB typical step error with an IIP3
of +45 dBm. Five TTL/CMOS control inputs 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 - 2.3 GHz
2.3 - 3.0 GHz
1.3
1.4
1.7
1.6
1.7
2.0
dB
dB
dB
Attenuation Range
DC - 3.0 GHz
31
dB
Return Loss (RF1 & RF2, All Atten. States)
DC - 3.0 GHz
17
dB
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
1.0 - 15.0 dB States
16.0 - 31.0 dB States
DC - 2.3 GHz
2.3 - 3.0 GHz
2.3 - 3.0 GHz
± (0.3 + 2% of Atten. Setting) Max.
± (0.3 + 3% of Atten. Setting) Max.
± (0.3 + 6% of Atten. Setting) Max.
dB
dB
dB
Input Power for 0.1 dB Compression
0.1 - 3.0 GHz
20
dBm
Input Third Order Intercept Point
(Two-Tone Input Power= 0 dBm Each Tone)
REF - 15 dB
States
16 - 31 dB States
0.1 - 3.0 GHz
45
35
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 3.0 GHz
160
180
ns
ns
Typical Applications
Features
General Description
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| HMC470LP3ETR | 制造商:Hittite Microwave Corp 功能描述:ATTENUATOR DGTL 5BIT 16QFN 制造商:Hittite Microwave Corp 功能描述:HMC470 Series DC - 3.0 GHz GaAs MMIC 5-Bit Digital Attenuator - QFN-16 |
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