參數(shù)資料
型號: RF2155
廠商: RF MICRO DEVICES INC
元件分類: 衰減器
英文描述: 3V PROGRAMMABLE GAIN POWER AMPLIFIER
中文描述: 430 MHz - 930 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
封裝: ROHS COMPLIANT PACKAGE-16
文件頁數(shù): 4/8頁
文件大?。?/td> 91K
代理商: RF2155
2-182
RF2155
Rev B3 010417
2
P
Application S chematic
915 MHz
Pin
16
Function
G16
Description
RF output power gain control 16dB bit (see specification table for
logic). The control voltage at this pin should never exceed 3.3V and a
logic high should be at least 2.7V. This pin should also have an external
UHF bypassing capacitor.
Interface Schematic
Same as pin 15.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
W=55, L=330 mil
3.9 pF
50
33 pF
RF Out
W=20, L=570 mil
33 pF
33 pF
33 pF
16 dB Ctrl
8 dB Ctrl
V
CC
39
W=20, L=180 mil
33 pF
33 pF
6.8 nH
33 pF
RF In
V
CC
33 pF
Power Down
Board Material: FR-4 (Er=4.7)
h=30 mil
Impedances are critical at pin
2, 7, 11, and 14
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