at-33225 ETC-unknow, at-33225 Datasheet - Page 8

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

Test Circuit B: Test Circuit Board Layout @ 836.5 MHz (AMPS)
38.1 (1.5)
Test Circuit B: Test Circuit Schematic Diagram @ 836.5 MHz (AMPS)
RF IN
C E
B
DC
Transistor
NOTE:
Dimensions are shown in millimeters (inches).
2.2
INPUT
100 pF
V
I
Freq. = 836.5 MHz
CQ
CE
CW Test
9.5 pF
V
C1
BB
= 4.8 V
= 6.0 mA
T1
2.2
18 H
750
10
V
R1
BB
/4 @ 836.5 MHz
100 pF
PA3 DEMO
= 7.19 (.283)
R2
R3
50
100 nF
FR-4 Microstrip, glass epoxy board
Dielectric Constant = 4.5
Thickness = 0.79 (.031)
C2
V
Test Circuit:
BB
80
C3
L1
R4
C4
76.2 (3.0)
V
I
Freq. = 836.5 MHz
CQ
CE
CW Test
C5
= 4.8 V
= 6.0 mA
80
100 pF
R5
/4 @ 836.5 MHz
4-78
B–MFG0141
= 12.65 (.498)
L2
50
C6
C7
18 H
10
V
C8 C9
CC
100 nF
6.8 pF
V
OUTPUT
CC
100 pF
V
C10
1.5 F
9/96
CC
10 F
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
R1
R2
R3
R4
R5
T1
L1
L2
RF OUT
MBT 2222A
100.0 pF
100.0 nF
100.0 pF
100.0 pF
100.0 nF
100.0 pF
750.0
18.0 H
18.0 H
10.0 F
10.0
10.0
9.5 pF
6.8 pF
1.5 F
2.2
2.2