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參數(shù)資料
| 型號： | 288MS8E |
| 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 3-BIT DIGITAL ATTENUATOR, 0.7 - 3.7 GHz |
| 中文描述： | 2分貝LSB的砷化鎵微波單片集成電路的3位數(shù)字衰減器，0.7 - 3.7吉赫 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 267K |
| 代理商： | 288MS8E |
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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
2 dB LSB GaAs MMIC 3-BIT DIGITAL
ATTENUATOR, 0.7 - 3.7 GHz
General Description
Features
Functional Diagram
2 dB LSB Steps to 14 dB
Single Positive Control Per BIT
Monotonic: ±03 dB Bit Error Typical
Miniature MSOP-8 Package, 14.8mm
2
Electrical Specifications,
T
A
= +25° C, Vdd = +3V to +5V & Vctl = 0/Vdd (Unless Otherwise Stated)
Typical Applications
The HMC288MS8 & HMC288MS8E are broadband 3-
bit positive control GaAs IC digital attenuators in 8 lead
MSOP surface mount plastic packages. Covering 0.7 to
3.7 GHz, the insertion loss is typically less than 1.2 to
1.8 dB. The attenuator bit values are 2 (LSB), 4, and 8
dB for a total attenuation of 14 dB. Accuracy is excel-
lent at ± 0.3 dB typical with an IIP3 of up to +51 dBm.
Three bit control voltage inputs, toggled between 0 and
+3 to +5V, are used to select each attenuation state at
less than 50 uA each. A single Vdd bias of +3 to +5V
applied through an external 5K Ohm resistor is required
while occupying less than 14.8 mm2.
The HMC288MS8 / HMC288MS8E is ideal for:
Cellular
PCS, ISM, MMDS
WLL applications
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 - 3.7 GHz
1.0
1.3
1.5
1.7
1.4
1.7
2.0
2.3
dB
dB
dB
dB
Attenuation Range
0.7 - 3.7 GHz
14
dB
Return Loss (RF1 & RF2, All Atten. States)
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 3.7 GHz
14
11
10
9
17
15
14
12
dB
dB
dB
dB
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
All Attenuation States
All Attenuation States
All Attenuation States
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 3.7 GHz
± 0.3 + 3% of Atten. Setting Max
± 0.2 + 3% of Atten. Setting Max
± 0.3 + 3% of Atten. Setting Max
± 0.3 + 4% of Atten. Setting Max
dB
dB
dB
dB
Input Power for 0.1 dB Compression
5V
3V
0.7 - 3.7 GHz
25
22
dBm
dBm
Input Third Order Intercept Point
(Two-tone Input Power = 0dBm Each Tone)
5V
3V
0.7 - 3.7 GHz
51
47
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
0.7 - 3.7 GHz
560
600
ns
ns
HMC288MS8
/
288MS8E
v01.0705
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