參數(shù)資料
型號: RF2301
廠商: RF MICRO DEVICES INC
元件分類: 衰減器
英文描述: HIGH ISOLATION BUFFER AMPLIFIER
中文描述: 300 MHz - 2500 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
封裝: PLASTIC, SOIC-8
文件頁數(shù): 3/10頁
文件大?。?/td> 198K
代理商: RF2301
4-39
RF2301
Rev A8 010717
4
G
A
Pin
1
Function
GND
Description
Low inductance ground connections. Use individual vias to backside
ground plane, placed within 0.030" of pin landing for optimum perfor-
mance.
Same as pin 1.
Interface Schematic
2
3
GND
RF IN
DC-coupled RF input. A broadband impedance match is produced by
internal shunt resistive feedback. The DC level is 0V. If a DC voltage is
present from connected circuitry, an external DC-blocking capacitor is
required for the proper DC operating point.
Same as pin 1.
4
5
6
GND
GND
RF OUT
Same as pin 1.
Open drain RF output. A broadband impedance match is produced by
an external 100
resistor to power supply as shown in Application
Schematic 1. Approximately 3dB improvement in gain and output
power can be obtained over at least a 20% bandwidth by replacing the
resistor to power supply with an external chip inductor network as
shown in Application Schematic 2. An external DC-blocking capacitor is
required if the following circuitry is not DC-blocked.
7
VDD2
Power supply connections. Bypass with external chip capacitor and
individual via to backside ground plane.
Power supply connections. Bypass with external chip capacitor and
individual via to backside ground plane.
8
VDD1
RF IN
RF OUT
V
DD1
V
DD2
相關PDF資料
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