v01.0411
Evaluation PCB
HMC981LP3E
ACTIVE BIAS CONTROLLER
13
List of Materials for Evaluation PCB EVAL01-HMC981LP3E [1]
Item
Description
TP1-10
Test Point
C1
4.7 µF Capacitor, 1210 Pkg.
C2, C4, C8
10 nF Capacitor, 0402 Pkg.
C5
1 µF Capacitor, 0603 Pkg.
C6
10 µF Capacitor, 0603 Pkg.
C7
0.1 µF Capacitor, 0402 Pkg.
D1
Dual Series Shottky Diode, BAT54SLT1
R1
10k Ohm Resistor, 0402 Pkg.
R2
4.02k Ohm Resistor, 0402 Pkg.
R10
Trim Potentiometer
U1
PCB [2]
HMC981LP3E Active Bias Controller
600-00099-00-1 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: FR4
Careful PCB layout is critical to achieve stable and
low noise operation. The negative voltage generator
charge pump stage requires particular attention.
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