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RF2155PCBA-41X Fiches technique(PDF) 4 Page - RF Micro Devices

No de pièce RF2155PCBA-41X
Description  3V PROGRAMMABLE GAIN POWER AMPLIFIER
PDF  7 Pages
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Fabricant  RFMD [RF Micro Devices]
Site Internet  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RF2155PCBA-41X Fiches technique(HTML) 4 Page - RF Micro Devices

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2-176
RF2155
Rev B8 060921
Application Schematic
915 MHz
Pin
Function
Description
Interface Schematic
16
G16
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.
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
Ω
33 pF
RF Out
W=20, L=570 mil
33 pF
33 pF
33 pF
16 dB Ctrl
8 dB Ctrl
V
CC
39
Ω
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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