MHW903 Ver la hoja de datos (PDF) - Motorola => Freescale
Número de pieza
componentes Descripción
Fabricante
MHW903 Datasheet PDF : 8 Pages
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ELECTRICAL CHARACTERISTICS — continued (Vs1 = Vs2 = Vs3 = 7.2 Vdc; Vb = 5.0 Vdc for MHW903/ 953)
ELECTRICAL CHARACTERISTICS — continued (Vs1 = Vs2 = 7.2 Vdc; Vb = 4.5 Vdc for MHW954)
ELECTRICAL CHARACTERISTICS — continued (TC = 25°C; 50 ohm system, unless otherwise noted)
Characteristic
Symbol Min Max Unit
Efficiency (Pout = 3.5 W; Pin = 1.0 mW) MHW903/ 953 (1)
Efficiency (Pout = 3.5 W) MHW954 (2)
η
40
—
%
Harmonics (Pout = 3.5 W; Pin = 1.0 mW) MHW903/ 953 (1) 2.0 fo
3.0 fo
Harmonics (Pout = 3.5 W) MHW954 (2)
2.0 fo
3.0 fo
—
—
– 35 dBc
—
– 45
—
– 30
—
– 40
Noise Power (In 30 kHz Bandwidth, 20 MHz above fo) (TC = 25°C – 100°C)
(Pout = 0.3 – 3.5 W; Vs1 = Vs2 = Vs3 = 6.25 – 9.0 Vdc, Pin = 1.0 mW) MHW903/ 953 (1)
(Pout = 0.3 – 3.5 W; Vs1 = Vs2 = 6.25 – 9.0 Vdc) MHW954 (2)
—
dBm
—
– 65
—
– 75
Output Power, Low Voltage (Pin = 1.0 mW; Vs1 = Vs2 = Vs3 = 6.25 Vdc; Vcont = 3.0 Vdc) MHW903/953 Po1
2.0
—
W
Output Power, Low Voltage (Pin = 100 mW; Vs1 = Vs2 = 6.25 Vdc) MHW954
2.3
—
Isolation (Pin = 1.0 mW; Vcont = 0 Vdc; Vs1 = Vb = 0 – 5 Vdc) MHW903 / 953 only (1)
3.0 dB Vcont Bandwidth (Pin = 1.0 mW; Pout = 0.03 – 3.5 W) MHW903 / 953 only (1)
—
—
– 36 dBm
—
1.0
— MHz
% AM In Output
(Pout = 0.035 – 3.5 W; 135 kHz, 1% AM on Input) MHW954 only (2)
—
—
6
%
Load Mismatch Stress (Pin = 2.0 mW; Pout = 3.5 W; Vs1 = Vs2 = Vs3 = 9.0 Vdc) MHW903/ 953 (1)
ψ
Load Mismatch Stress (Pout = 3.5 W; Vb = 4.75 Vdc; Vs1 = Vs2 = 9.0 Vdc) MHW954 (2)
Load Mismatch Stress (Load VSWR = 10:1, All Phase Angles at Frequency of Test)
No degradation
in output power
before and after test
Stability
—
(Pin = 0.5 to 2.0 mW; Pout = 0.03 – 3.5 W; Vs1 = Vs2 = Vs3 = 6.0 to 9.0 Vdc) MHW903/ 953 (1)
(Pout = 0.03 – 3.5 W; Vs1 = Vs2 = 6.0 to 9.0 Vdc) MHW954 (2)
(Load VSWR = 6:1, Source VSWR = 3:1, All Phase Angles at Frequency of Test)
All spurious outputs
more than 60 dB
below desired signal
NOTES:
1. Adjust Vcont for specified Pout; duty cycle = 12.5%, period = 4.6 ms
2. Adjust Pin for specified Pout; duty cycle = 12.5%, period = 4.6 ms
CIRCUIT BLOCK DIAGRAM
1
L1
C1
Z1
2
C4
C2
L2
3
4
C6
C8
L3
L4
C3
C5
C7
5
6
C10
Z2
L5
C9
RF INPUT Vcont
Vs1
Vb
Vs2 + Vs3
RF OUTPUT
PIN DESIGNATIONS:
Pin 1 — RF Input Power @ 0 dBm and Control Voltage @ 0 – 3.0 Vdc
Pin 2 — First and Second Stage Collector Supply Voltage @ 7.2 Vdc
Pin 3 — Trickle Base Bias Voltage @ 5.0 Vdc
Pin 4 — Third Stage Collector Supply Voltage @ 7.2 Vdc
Pin 5 — Fourth Stage Collector Supply Voltage @ 7.2 Vdc
Pin 6 — RF Output Power @ 3.5 W
ELEMENT VALUES:
C1=C2= 0.018 µF
C4=C6=C8=C10= 0.1 µF
C3=C5=C7=C9 = 1.0 µF Tant.
L1 – L3 = 0.29 µH Choke
L4, L5 = 0.15 µH Choke
Z1, Z2 = 50 Ohm Microstrip
Figure 1. Test Circuit Diagram — MHW903 / 953
MHW903 MHW953 MHW954
2
MOTOROLA RF DEVICE DATA
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