at-38086-tr1 Avago Technologies, at-38086-tr1 Datasheet - Page 8

• Manufacturer Part Number: at-38086-tr1
• Description: 4.8 V Npn Silicon Bipolar Common Emitter Transistor -
• Manufacturer: Avago Technologies

Test Circuit A: Test Circuit Board Layout @ 900 MHz for Pulsed Operation (GSM)
Test Circuit A: Test Circuit Schematic Diagram @ 900 MHz for Pulsed Operation (GSM)
38.1 (1.5)
RF IN
C E
B
DC
Transistor
NOTE:
Dimensions are shown in millimeters (inches).
10
INPUT
100 pF
V
I
Freq. = 900 MHz
CQ
CE
8.2 pF
Pulse Test
V
C1
BB
= 20 mA
= 4.8 V
T1
18 H
619
10
V
BB
PA1 DEMO
100 pF
/4 @ 900 MHz
= 6.53 (.257)
50
R1
R2
C2
100 nF
FR-4 Microstrip, glass epoxy board
Dielectric Constant = 4.5
Thickness = 0.79 (.031)
V
Test Circuit:
C3
BB
40
80
C4
L1
R3
R4
76.2 (3.0)
V
I
Freq. = 900 MHz
CQ
CE
Pulse Test
= 4.8 V
= 20 mA
80
R5
100 pF
/4 @ 900 MHz
4-96
= 19.00 (.748)
B–MFG0139
L2
C5
50
C6
18 H
10
V
C8 C9
CC
C7
100 nF
3.6 pF
V
OUTPUT
CC
100 pF
C10
V
1.5 F
9/96
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
619.0
18.0 H
18.0 H
10.0 F
10.0
10.0
40.0
10.0
8.2 pF
3.6 pF
1.5 F