at-33225 ETC-unknow, at-33225 Datasheet - Page 7

• Manufacturer Part Number: at-33225
• Description: Common Emitter Output Power Transistor Amps, Etacs Phones
• Manufacturer: ETC-unknow

Test Circuit A: Test Circuit Board Layout @ 900 MHz (ETACS/ISM)
38.1 (1.5)
Test Circuit A: Test Circuit Schematic Diagram @ 900 MHz (ETACS/ISM)
RF IN
C E
B
DC
Transistor
NOTE:
Dimensions are shown in millimeters (inches).
2.2
INPUT
100 pF
V
I
Freq. = 900 MHz
CQ
CE
CW Test
7.5 pF
V
C1
BB
= 4.8 V
= 6.0 mA
T1
2.2
18 H
750
10
V
R1
BB
PA3 DEMO
100 pF
/4 @ 900 MHz
= 7.06 (.278)
R2
R3
50
C2
100 nF
FR-4 Microstrip, glass epoxy board
Dielectric Constant = 4.5
Thickness = 0.79 (.031)
V
Test Circuit:
BB
C3
R4
C4
80
L1
76.2 (3.0)
V
I
Freq. = 900 MHz
CQ
CE
CW Test
= 4.8 V
= 6.0 mA
80
R5
100 pF
/4 @ 900 MHz
4-77
B–MFG0141
= 14.35 (.565)
L2
C5
50
C6
18 H
10
C7
V
C8 C9
CC
100 nF
5.1 pF
V
OUTPUT
CC
100 pF
C10
V
9/96
1.5 F
CC
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
R1
R2
R3
R4
R5
T1
L1
L2
10 F
RF OUT
MBT 2222A
100.0 pF
100.0 pF
100.0 nF
100.0 nF
100.0 pF
100.0 pF
750.0
18.0 H
18.0 H
10.0 F
10.0
10.0
7.5 pF
5.1 pF
1.5 F
2.2
2.2