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參數(shù)資料
| 型號： | 290E |
| 廠商： | 美國訊泰微波有限公司上海代表處 |
| 英文描述： | 2 dB LSB GaAs MMIC 2-BIT DIGITAL ATTENUATOR, 0.7 - 4.0 GHz |
| 中文描述： | 2分貝LSB的砷化鎵微波單片集成電路2位數(shù)字衰減器，0.7 - 4.0吉赫 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 247K |
| 代理商： | 290E |
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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
HMC290
/
290E
2 dB LSB GaAs MMIC 2-BIT DIGITAL
ATTENUATOR, 0.7 - 4.0 GHz
v01.0605
General Description
Features
Functional Diagram
2 dB LSB Steps to 6 dB
Single Positive Control Per BIT
+/-0.2 dB Typical Bit Error
Miniature SOT 26 Package: 9 mm
2
Electrical Specifications,
T
A
= +25° C, Vdd = +3V to +5V & Vctl = 0/Vdd (Unless Otherwise Stated)
Typical Applications
The HMC290 & HMC290E are broadband 2 - bit
positive control GaAs IC digital attenuators in 6 lead
SOT26 surface mount plastic packages. Covering 0.7
to 4 GHz, the insertion loss is typically less than 0.7
dB. The attenuator bit values are 2 (LSB) and 4 dB for
a total attenuation of 6 dB. Accuracy is excellent at ±
0.2 dB typical with an IIP3 of up to +52 dBm. Two bit
control voltage inputs, toggled between 0 and +3 to
+5 volts, are used to select each attenuation state at
less than 50 uA each. A single Vdd bias of +3 to +5
volts applied through an external 5K Ohm resistor is
required. Occupying less than 9 mm2, this is the small-
est 2 - bit digital attenuator available.
The HMC290 / HMC290E is ideal for:
Cellular
PCS, ISM, MMDS
WLL Handset & BaseStation
Parameter
Frequency
Min.
Typical
Max.
Units
Insertion Loss
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 4.0 GHz
0.5
0.5
0.6
0.8
0.7
0.8
0.9
1.2
dB
dB
dB
dB
Attenuation Range
0.7 - 4.0 GHz
6
dB
Return Loss (RF1 & RF2, All Atten. States)
0.7 - 2.7 GHz
2.7 - 4.0 GHz
16
15
20
18
dB
dB
Attenuation Accuracy: (Referenced to Insertion Loss)
2, 4 dB States
6 dB States
0.7 - 4.0 GHz
0.7 - 4.0 GHz
± 0.2 + 2% of Atten. Setting Max
± 0.3 + 2% of Atten. Setting Max
dB
dB
Input Power for 0.1 dB Compression
5V
3V
0.7 - 4.0 GHz
27
24
dBm
dBm
Input Third Order Intercept Point
(Two-tone Input Power = 0 dBm Each Tone)
5V
3V
0.7 - 4.0 GHz
52
50
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
0.7 - 4.0 GHz
400
420
ns
ns
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