RFLA1018 Datasheet, PDF (10/12 Pages) RF Micro Devices – VARIABLE GAIN LOW NOISE HIGH LINEARITY AMPLIFIER

RFLA1018
Evaluation Board Assembly Drawing
J1
RF_IN
LA1018-410(E)
C3
C8
U1
J2
RF_OUT
C1 R2 R1
C4
C5 C2 C6
C9 C7
P1
Pin Names and Descriptions
Pin
Name
Description
1
RFIN
RF Input; Internally 50 Matched and DC Blocked
2
GND
Connect to Low Inductance Path to Ground
3
SC_N
Switch Control Line; See Truth Table
4
GND
Connect to Low Inductance Path to Ground
5
VCC2
VCC Supply, 10nF Decoupling Internal; Supply Voltage to 2nd Stage LNA; Disable VCC Supply in Bypass
Mode to Save DC Current.
6
SC_P
Switch Control Line; See Truth Table
7
ID1/GND
Pin Grounded in Module
8
ID2/GND
Pin Grounded in Module
9
VVA_CV
Voltage Variable Attenuator Control Line; 0-3.3V Range; Max Gain is at 0V.
10
GND
Connect to Low Inductance Path to Ground
11
GND
Connect to Low Inductance Path to Ground
12
RFOUT
RF Output Internally 50 Match and DC Blocked
13
GND
Connect to Low Inductance Path to Ground
14
VCC3
VCC Supply, 0.1uF Decoupling Internal. Supply Voltage to 3rd Stage Amplifier.
15
VCC1
VCC Supply, 0.1uF Decoupling Internal. Supply Voltage to 1st Stage LNA.
16
GND
Connect to Low Inductance Path to Ground
High Gain
Low Gain
Truth Table
SC_N
0
1
SC_P
1
0
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