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參數(shù)資料
| 型號(hào)： | 230MS8E |
| 廠商： | 美國(guó)訊泰微波有限公司上海代表處 |
| 英文描述： | 4 dB LSB GaAs MMIC 3-BIT DIGITAL ATTENUATOR, 0.75 - 2.0 GHz |
| 中文描述： | 4分貝LSB的砷化鎵微波單片集成電路的3位數(shù)字衰減器，0.75 - 2.0吉赫 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 233K |
| 代理商： | 230MS8E |
A
6
6 - 10
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
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 through either PIN 1 or PIN 5.
Truth Table
Control Voltage Input
Attenuation Setting
RF1 - RF2
V1
16 dB
V2
4 dB
V3
8 dB
High
High
High
Reference I.L.
High
Low
High
4 dB
High
High
Low
8 dB
Low
High
High
16 dB
Low
Low
Low
28 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 +0.2Vdc @ 20 uA Max
High
Vdd ±0.2V @ 50 uA Typ
Note: Vdd = +3V to +5V ± 0.2V
HMC230MS8
/
230MS8E
v02.0505
4 dB LSB GaAs IC 3-BIT DIGITAL
ATTENUATOR, 0.75 - 2.0 GHz
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