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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)： | 3/6頁 |
| 文件大?。?/td> | 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
Control & Bias Voltages
Truth Table
Application Circuit
DC blocking capacitors C1 & C2 are required on RF1 & RF2. Choose C1 = C2 = 100 ~ 300 pF to allow lowest customer specific
frequency to pass with minimal loss. R1 = 5K Ohm is required to supply voltage to the circuit throught either PIN 3 or PIN 1.
Control Voltage Input
Attenuation
Setting
RF1 - RF2
V2
4 dB
V1
2 dB
High
High
Reference I.L.
High
Low
2 dB
Low
High
4 dB
Low
Low
6 dB
Max. Atten.
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
State
Bias Condition
Low
0 to + 0.2V @ 20 uA Max
High
Vdd ± 0.2V @ 50 uA Max
Note: Vdd = +3V to 5V ± 0.2V
HMC290
/
290E
2 dB LSB GaAs MMIC 2-BIT DIGITAL
ATTENUATOR, 0.7 - 4.0 GHz
v01.0605
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