HITACHI PF0121 Datasheet
PF0121
MOS FET Power Amplifier Module for GSM Mobile Phone
ADE-208-097A (Z)
Application
For GSM CLASS2 890 to 915 MHz
Features
• Low power control current: 0.9 mA Typ
• High speed switching: 1.5 µsec Typ
• Wide power control range: 100 dB Typ
Pin Arrangement
2nd Edition
July 1996
• RF-B2
5
1: Pin
2: V
4
3
2
5
1
APC
3: V
DD
4: Pout
5: GND
PF0121
Internal Diagram and External Circuit
G
GND
Pin1
Pin
Z1
Pin
Pin2
V
APC
FB1 FB2
V
APC
C2 C1
Pin3
V
DD
Pin4
Pout
V
DD
Pout
G
GND
Z2
C1 = 0.01 µF (Ceramic chip capacitor)
C2 = 330 µF (Aluminum Electrolyte Capacitor)
FB = Ferrite bead BL01RN1-A62-001 (Manufacture: MURATA) or equivalent
Z1 = Z2 = 50 Ω (Microstrip line)
Absolute Maximum Ratings (Tc = 25°C)
Item Symbol Rating Unit
Supply voltage V
Supply current I
APC voltage V
DD
DD
APC
Input power Pin 20 mW
Operating case temperature Tc (op) –30 to +110 °C
Storage temperature Tstg –40 to +110 °C
17 V
6A
8V
2
PF0121
Electrical Characteristics (Tc = 25°C)
Item Symbol Min Typ Max Unit Test Condition
Drain cutoff current I
Total efficiency η
DS
T
— — 500 µAVDD = 17 V, V
30 35 — % Pin = 2 mW, VDD = 12.5 V,
2nd harmonic distortion 2nd H.D. — –50 –40 dBc Pout = 13 W (at APC controlled),
3rd harmonic distortion 3rd H.D. — –55 –45 dBc RL = Rg = 50 Ω, Tc = 25°C
Input VSWR VSWR (in) — 2 3 —
Output power (1) Pout (1) 17 23 — W Pin = 2 mW, VDD = 12.5 V, V
R
=Rg = 50 Ω, Tc = 25°C
L
Output power (2) Pout (2) 9 12 — W Pin = 2 mW, VDD = 10.3V, V
R
= Rg = 50 Ω, Tc = 80°C
L
Isolation — — –60 –40 dBm Pin = 2 mW, VDD = 12.5 V, V
R
= Rg = 50 Ω, Tc = 25°C
L
Switching time tr, t
f
— 1.5 2 µs Pin = 2 mW, VDD = 12.5 V, Pout = 13 W,
R
= Rg = 50 Ω, Tc = 25°C
L
Stability — No parasitic oscillation — Pin = 2 mW, VDD = 12.5 V,
Pout ≤ 13 W (at APC controlled),
Rg = 50 Ω, Tc = 25°C,
Output VSWR = 20:1 All phases
APC
= 0 V
APC
APC
APC
= 7 V,
= 7 V,
= 0.5 V,
Test System Diagram
S.G
L.P.F
3dB
ATT
Power
Meter
Directional
Coupler
V
APCVDD
Test
Fixture
Spectrum
Analyzer
Directional
Coupler
RF SW.
Phase
Shifter
Power Meter
Short
3
PF0121
Switching Time Test Diagram
=12.5 V
V
DD
S.G
D.U.T
Pin Pout
P.G
f=10 kHz
Oscillo
Scope
Vout
V
APC
1SS106
Z=50Ω
2.2 kΩ100p
2p
2p
1SS106
Power
Meter
V
APC
Vout
Duty=1/8
50% 50%
95%
5%
tr tf
4
Loading...