lx1214e500x NXP Semiconductors, lx1214e500x Datasheet - Page 6

• Manufacturer Part Number: lx1214e500x
• Description: Npn Microwave Power Transistor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
List of components (see Figs 4 and 5)
Notes
1. In thermal contact with TR1.
2. In thermal contact with DUT.
1997 Feb 18
handbook, full pagewidth
TR1
C1, C2
C3, C4
C5
D1
D2
L1
L2
P1
R1
R2
R3
F1
COMPONENT
NPN microwave power transistor
transistor, BD239 or equivalent
DC blocking chip capacitor
feedthrough bypass capacitor
electrolytic capacitor
diode BY239 or equivalent; note 1
diode BY239 or equivalent; note 2
3.5 turns 0.5 mm copper wire;
internal diameter = 2 mm
3 turns 0.5 mm copper wire;
internal diameter = 2 mm
linear potentiometer
resistor
resistor
resistor
ferrite bead
DESCRIPTION
R2
R1
P1
BIAS CIRCUIT
TR1
D2
D1
Fig.5 Class AB bias circuit.
R3
C5
6
100 pF
1500 pF
10 F, >30 V
4.7 k
100 , 0.25 W
1 k , 0.25 W
56 , 0.25 W
VALUE
PREMATCHING TEST
C3
L1
F1
CIRCUIT
DUT
C4
L2
ATC 100A1201kp
Erie1250-003
Philips tube, 12NC = 4330 030 43081
4.2
MLC727
V CC
ORDERING INFORMATION
2.2
3.2 mm (4B1)
Preliminary specification
LX1214E500X