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參數(shù)資料
| 型號： | HMC291 |
| 廠商： | HITTITE MICROWAVE CORP |
| 元件分類： | 衰減器 |
| 英文描述： | 700 MHz - 4000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.6 dB INSERTION LOSS-MAX |
| 封裝： | PLASTIC, SOT-26, 6 PIN |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 230K |
| 代理商： | HMC291 |
MICROWAVE CORPORATION
2 - 68
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Visit us at www.hittite.com, or Email at sales@hittite.com
A
TTENU
A
T
ORS
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SMT
2
4 dB LSB GaAs MMIC 2-BIT DIGITAL
ATTENUATOR, 0.7 - 4.0 GHz
HMC291
v01.0402
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 specic
frequency to pass with minimal loss. R1 = 5K Ohm is required to supply voltage to the circuit throught either PIN 3 or PIN 1.
8 dB
4
5
1
2
5k Ohm
3
4 dB
PIN NUMBER
100 pF
RF2
R1
C2
100 pF
RF1
C1
V2
N/C
6
V1
GND
Vdd
Control Voltage Input
Attenuation
Setting
RF1 - RF2
V1
8 dB
V2
4 dB
High
Reference I.L.
High
Low
4 dB
Low
High
8 dB
Low
12 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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HMC291_06 | 制造商:HITTITE 制造商全稱:Hittite Microwave Corporation 功能描述:4 dB LSB GaAs MMIC 2-BIT DIGITAL ATTENUATOR, 0.7 - 4.0 GHz |
| HMC291_08 | 制造商:HITTITE 制造商全稱:Hittite Microwave Corporation 功能描述:4 dB LSB GaAs MMIC 2-BIT DIGITAL ATTENUATOR, 0.7 - 4.0 GHz |
| HMC291E | 制造商:Hittite Microwave Corp 功能描述:IC ATTENUATOR 0.7-4GHZ SOT-26 |
| HMC291ETR | 制造商:Hittite Microwave Corp 功能描述:HMC291 Series 0.7 - 4.0 GHz GaAs MMIC 2-Bit Digital Attenuator - SOT-26-6 |
| HMC292 | 制造商:HITTITE 制造商全稱:Hittite Microwave Corporation 功能描述:GaAs MMIC DOUBLE-BALANCED MIXER, 18 - 32 GHz |
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