mhw953 Freescale Semiconductor, Inc, mhw953 Datasheet - Page 2

• Manufacturer Part Number: mhw953
• Description: Uhf Power Amplifiers
• Manufacturer: Freescale Semiconductor, Inc

NOTES:
ELECTRICAL CHARACTERISTICS — continued
ELECTRICAL CHARACTERISTICS — continued
ELECTRICAL CHARACTERISTICS — continued
MHW903 MHW953 MHW954
2
Efficiency (P out = 3.5 W; P in = 1.0 mW) MHW903/ 953 (1)
Efficiency
Harmonics (P out = 3.5 W; P in = 1.0 mW) MHW903/ 953 (1) 2.0 f o
Harmonics
Noise Power (In 30 kHz Bandwidth, 20 MHz above f o ) (T C = 25 C – 100 C)
Output Power, Low Voltage (P in = 1.0 mW; V s1 = V s2 = V s3 = 6.25 Vdc; V cont = 3.0 Vdc) MHW903/953
Output Power, Low Voltage
Isolation (P in = 1.0 mW; V cont = 0 Vdc; V s1 = V b = 0 – 5 Vdc) MHW903 / 953 only (1)
3.0 dB V cont Bandwidth (P in = 1.0 mW; P out = 0.03 – 3.5 W) MHW903 / 953 only (1)
% AM In Output
Load Mismatch Stress (P in = 2.0 mW; P out = 3.5 W; V s1 = V s2 = V s3 = 9.0 Vdc) MHW903/ 953 (1)
Load Mismatch Stress
Load Mismatch Stress
Stability
1. Adjust V cont for specified P out ; duty cycle = 12.5%, period = 4.6 ms
2. Adjust P in for specified P out ; duty cycle = 12.5%, period = 4.6 ms
(P out = 0.3 – 3.5 W; V s1 = V s2 = V s3 = 6.25 – 9.0 Vdc, P in = 1.0 mW) MHW903/ 953 (1)
(P out = 0.3 – 3.5 W; V s1 = V s2 = 6.25 – 9.0 Vdc) MHW954 (2)
(P out = 0.035 – 3.5 W; 135 kHz, 1% AM on Input) MHW954 only (2)
(P in = 0.5 to 2.0 mW; P out = 0.03 – 3.5 W; V s1 = V s2 = V s3 = 6.0 to 9.0 Vdc) MHW903/ 953 (1)
(P out = 0.03 – 3.5 W; V s1 = V s2 = 6.0 to 9.0 Vdc) MHW954 (2)
(Load VSWR = 6:1, Source VSWR = 3:1, All Phase Angles at Frequency of Test)
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
RF INPUT
(P out = 3.5 W) MHW954 (2)
1
(P out = 3.5 W) MHW954 (2)
Z1
C1
L1
V cont
(P out = 3.5 W; V b = 4.75 Vdc; V s1 = V s2 = 9.0 Vdc) MHW954 (2)
(Load VSWR = 10:1, All Phase Angles at Frequency of Test)
(P in = 100 mW; V s1 = V s2 = 6.25 Vdc) MHW954
C2
C3
2
V s1
Figure 1. Test Circuit Diagram — MHW903 / 953
Characteristic
L2
C4
CIRCUIT BLOCK DIAGRAM
C5
(V s1 = V s2 = V s3 = 7.2 Vdc; V b = 5.0 Vdc for MHW903/ 953)
(V s1 = V s2 = 7.2 Vdc; V b = 4.5 Vdc for MHW954)
(T C = 25 C; 50 ohm system, unless otherwise noted)
3
V b
3.0 f o
2.0 f o
3.0 f o
L3
C6
C7
4
L4
C8
V s2 + V s3
ELEMENT VALUES:
C1=C2= 0.018 F
C4=C6=C8=C10= 0.1 F
C3=C5=C7=C9 = 1.0 F Tant.
L1 – L3 = 0.29 H Choke
L4, L5 = 0.15 H Choke
Z1, Z2 = 50 Ohm Microstrip
5
C9
L5
Symbol
C10
MOTOROLA RF DEVICE DATA
P o1
—
—
—
—
—
—
RF OUTPUT
Z2
6
Min
2.0
2.3
1.0
40
—
—
—
—
—
—
—
—
below desired signal
before and after test
All spurious outputs
more than 60 dB
No degradation
in output power
Max
– 35
– 45
– 30
– 40
– 65
– 75
– 36
—
—
—
—
6
MHz
Unit
dBm
dBm
dBc
W
%
%