upc3225tb Renesas Electronics Corporation., upc3225tb Datasheet - Page 6

• Manufacturer Part Number: upc3225tb
• Description: 5 V, Silicon Germanium Mmic Medium Output Power Amplifier
• Manufacturer: Renesas Electronics Corporation.

COMPONENTS OF TEST CIRCUIT FOR MEASURING
ELECTRICAL CHARACTERISTICS
TEST CIRCUIT
INDUCTOR FOR THE OUTPUT PIN
transistor, connect an inductor between the V
listed above.
voltage drop to output enable high level. In terms of AC, the inductor makes output-port impedance higher to get
enough gain. In this case, large inductance and Q is suitable.
CAPACITORS FOR THE V
input pin and 100 pF for the output pin are recommendable as the coupling capacitors.
can be supplied against V
impedance. Their capacitances are therefore selected as lower impedance against a 50 Ω load. The capacitors thus
perform as high pass filters, suppressing low frequencies to DC.
6
C1
C2
C3
C4
L1
The application circuits and their parameters are for reference only and are not intended for use in actual design-ins.
The internal output transistor of this IC consumes 24.5 mA, to output medium power. To supply current for output
The inductor has both DC and AC effects. In terms of DC, the inductor biases the output transistor with minimum
Capacitors of 1 000 pF are recommendable as the bypass capacitor for the V
The bypass capacitor connected to the V
The coupling capacitors, connected to the input and output pins, are used to cut the DC and minimize RF serial
1 000 pF
1 000 pF
330 pF
100 pF
Value
15 nH
330 pF
C1
CC
Susumu
Murata
Murata
Murata
Murata
Maker
IN
fluctuation.
GND
GND
6
5
4
CC
, INPUT AND OUTPUT PINS
GMR36CH
GMR36CH
GMR39CH
Type code
GMR36B
TFL0816
CC
Data Sheet PU10500EJ01V0DS
CC
pin is used to minimize ground impedance of V
pin (pin 3) and output pin (pin 1). Select inductance, as the value
1
2
3
OUT
GND
V
CC
C3
C4
L1
15 nH
1 000 pF
1 000 pF
CC
pin. Capacitors of 330 pF for the
100 pF
CC
C2
pin. So, stable bias
V
CC
µ
PC3225TB
50 Ω