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DA2709 Datasheet

  • DA2709

  • Wideband Amplifier

  • 9頁(yè)

  • ETC

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DA2709 Wideband Amplifier
Advance Information
HiMARK Technology, Inc. reserves the right to change the product described in this datasheet. All information contained
in this datasheet is subject to change without prior notice. HiMARK Technology, Inc. assumes no responsibility for the
use of any circuits shown in this datasheet.
Description
The DA2709 is a general purpose, low-cost RF wideband amplifier IC. The input and out-
put of the IC are internally matched to 50鈩?for convenient cascading. Applications include
IF and RF amplification in wireless voice and data communication products from DC to
3GHz. The DA2709 requires minimal external components for DC bias.
Features
u
u
u
u
u
u
DC to 3GHz Operation
Internally Matched Input and Output
22dB Small Signal Gain @2GHz
P1dB = 8dBm @2GHz
Single Positive Power Supply
SOT363 surface-mount package
Pin Out Diagram
GND
4
in
a
60H
GND
5
IN
6
Description
Pr
el
im
Pin Descriptions
Number
1
2
Name
V
CC
GND
3
4
5
6
OUT
GND
GND
IN
Same as pin 2.
Same as pin 2.
Power supply pin. An external bypass capacitor is required.
Ground connection. Keep PCB traces as short as possible and connect
immediately to ground plane for best performance.
Signal output and bias pin. An external choke inductor L to V
CC
is required
for biasing. An external series DC blocking capacitor is also required.
Signal input pin. An external series DC blocking capacitor is required. No
DC coupling allowed.
Page 1
ry
3
OUT
2
GND
1
V
CC
February 2002

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