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参数资料
| 型号： | HMC472LP4TR |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 衰减器 |
| 英文描述： | 0 MHz - 3800 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3 dB INSERTION LOSS-MAX |
| 封装： | 4 X 4 MM, 1 MM HEIGHT, LEADLESS, PLASTIC, SMT, 24 PIN |
| 文件页数： | 6/8页 |
| 文件大小： | 353K |
| 代理商： | HMC472LP4TR |
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
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5 - 145
Pin Descriptions
Pin Number
Function
Description
Interface Schematic
1, 3, 5, 12,
14, 16, 17, 18
N/C
These pins should be connected to PCB RF ground to
maximize performance.
2Vdd
Supply Voltage.
4, 15
RF1, RF2
This pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required. Select value based on
lowest frequency of operation.
6 - 11, 13
ACG1 - ACG7
External capacitors to ground are recommended for low and
high frequency operation. Select value for
lowest frequency of operation. Place capacitor as close
to pins as possible. For operation from 700 to 2700 MHz,
these pins may be left unconnected.
19 - 24
V1 - V6
See truth table and control voltage table.
GND
Package bottom has an exposed metal paddle that must also
be connected to RF/DC Ground.
HMC472LP4 / 472LP4E
v06.1108
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz
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