
MMA25312BT1
5
RF Device Data
Freescale Semiconductor, Inc.
Figure 5. MMA25312BT1 Test Circuit Schematic — 2500 MHz, 3.3 Volt Operation
C5
RF
INPUT
R1
456
3
2
1
12 11 10
7
8
9
C9
RF
OUTPUT
BIAS
CIRCUIT
P
DET
L2
V
CC1
C2
V
BIAS
C1
R2
Z1 0.140″ x 0.030″ Microstrip
Z2 0.073″ x 0.030″ Microstrip
C8
DETECTOR
L3
C14
V
CC2
Z1
C13
C11
Z2
C7
Table 8. MMA25312BT1 Test Circuit Component Designations and Values — 2500 MHz, 3.3 Volt Operation
Part Description Part Number Manufacturer
C1, C2 1 μF Chip Capacitors GRM155R61A105KE15 Murata
C3, C4, C6, C10, C12, C15 Components Not Placed
C5, C9 100 pF Chip Capacitors GRM1555C1H101JA01 Murata
C7 8.2 pF Chip Capacitor 04023J8R2BBS AVX
C8, C13 22 pF Chip Capacitors 04023J22R0BBS AVX
C11 1.5 pF Chip Capacitor 04023J1R5BBS AVX
C14 4.7 μF Chip Capacitor GRM188R60J475KE19D Murata
L2 1.2 nH Chip Inductor LL1608-FH1N2S TOKO
L3 22 nH Chip Inductor LL1608-FH22N0S TOKO
R1 100 Ω, 1/16 W Chip Resistor RC0402JR-07100RL Yageo
R2 470 Ω, 1/16 W Chip Resistor RC0402JR-07470RL Yageo
R3 Component Not Placed
PCB 0.014″, ε
r
=3.7 FR408 Isola
Note: Component numbers C3, C4, C6, C10, C12, C15 and R3 are labeled on board but not placed.
Note: Component L1 intentionally omitted.