315MHz/433MHz Low-Noise
Amplifier for Automotive RKE
Functional Diagram/Typical Operating Circuit
LOGIC
CONTROL
+
GND 1
MAX2634
SHDN 2
BIAS
GND 3
6 RFOUT
5 VCC
VCC
C3
100pF
C2
0.01µF
RF
OUTPUT
C1**
L1*
22nF
4 RFIN
RF
INTPUT
*L1 = 56nH FOR 308MHz/315MHz.
*L1 = 33nH FOR 418MHz/433.92MHz.
**C1 = DC-BLOCK. OPTIONAL IF DC IS NOT APPLIED TO RFIN.
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
PACKAGE TYPE
6 SC70
PACKAGE CODE
X6SN-1
DOCUMENT NO.
21-0077
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