at-31625-tr1 ETC-unknow, at-31625-tr1 Datasheet - Page 7

• Manufacturer Part Number: at-31625-tr1
• Description: Common Emitter Medium Power Output Transistor
• Manufacturer: ETC-unknow

RF IN
Test Circuit A: Test Circuit Board Layout @ 900 MHz
38.1 (1.5)
Test Circuit A: Test Circuit Schematic Diagram @ 900 MHz
C E
B
DC
Transistor
2.2
NOTE:
Dimensions are shown in millimeters (inches).
100 pF
INPUT
V
I
Freq. = 900 MHz
CQ
6.8 pF
CE
CW Test
V
C1
BB
= 4.8 V
= 5.0 mA
T1
2.2
18 H
750
10
V
BB
R1
100 pF
PA3 DEMO
/4 @ 900 MHz
= 5.38 (.212)
50
R2
R3
C2
100 nF
FR-4 Microstrip, glass epoxy board
Dielectric Constant = 4.5
Thickness = 0.79 (.031)
V
Test Circuit:
BB
C3
80
L1
R4
C4
76.2 (3.0)
V
I
Freq. = 900 MHz
CQ
CE
CW Test
= 4.8 V
= 5.0 mA
80
100 pF
R5
/4 @ 900 MHz
4-49
= 19.91 (.784)
B–MFG0141
L2
50
C5
C6
18 H
10
C7
V
C8 C9
CC
100 nF
2.7 pF
V
C10
OUTPUT
CC
100 pF
V
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 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
6.8 pF
2.7 pF
1.5 F
2.2
2.2