MOTOROLA MHW803

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by MHW803/D
SEMICONDUCTOR TECHNICAL DATA
The RF Line
Capable of wide power range control as encountered in portable cellular radio
applications (30 dB typical).
• MHW803–2 806 – 870 MHz
• Specified 7.5 Volt Characteristics
RF Input Power = 1 mW (0 dBm)
RF Output Power = 2 Watts
Minimum Gain (VControl = 4 V) = 33 dB
Harmonics = – 45 dBc Max @ 2 fo
• 50 Ω Input/Output Impedance
2 W, 806 to 905 MHz
UHF POWER
AMPLIFIERS
• Guaranteed Stability and Ruggedness
• Epoxy Glass PCB Construction Gives Consistent Performance and Reliability
• Circuit board photomaster available upon request by contacting RF Tactical
Marketing in Phoenix, AZ.
CASE 301E–04, STYLE 1
MAXIMUM RATINGS (Flange Temperature = 25°C)
Rating
DC Supply Voltage (Pins 2,3,4)
DC Control Voltage (Pin 1)
RF Input Power
RF Output Power (Vs1 = Vs2 = Vs3 = 10 V)
Symbol
Value
Unit
Vs1,2,3
10
Vdc
VCont
4
Vdc
Pin
3
mW
Pout
3
W
Operating Case Temperature Range
TC
– 30 to +100
°C
Storage Temperature Range
Tstg
– 30 to +100
°C
ELECTRICAL CHARACTERISTICS Vs1 = Vs2 = Vs3 = 7.5 Vdc, (Pins 2,3,4), TC = 25°C, 50 W System
Symbol
Min
Max
Unit
—
806
870
MHz
Control Voltage (Pout = 2 W, Pin = 1 mW) (1)
VCont
0
4
Vdc
Quiescent Current (Vs1, Pin 2 = 7.5 Vdc) (2)
Is1(q)
—
65
mA
Gp
33
—
dB
h
37
—
%
—
—
– 45
– 55
dBc
Input VSWR (Pout = 2 W, Pin = 1 mW), 50 W Ref. (1)
—
—
2.0:1
—
Noise power 30 kHz Bandwidth, 45 MHz above fo
(Pout = 2 W (1) TC = + 25°C
(Pin = 1 mW)
TC = +100°C
—
—
—
—
– 85
– 82
dBm
dBm
Characteristic
Frequency Range
Power Gain (Pout = 2 W, VCont = 4 Vdc)
Efficiency (Pout = 2 W, Pin = 1 mW) (1)
Harmonics (Pout = 2 W) (1)
(Pin = 1 mW)
2 fo
3 fo
Load Mismatch (Vs1 = Vs2 = Vs3 = 10 Vdc)
VSWR = 10:1, Pout = 3 W, Pin = 3 mW (1)
Stability (Pin = 0.5 – 2 mW, Vs1 = Vs2 = Vs3 = 6 – 9 Vdc)
Pout between 0 mW and 2 W (1)
Load VSWR = 6:1, Source VSWR = 3:1)
No Degradation
in Power Output
All spurious outputs
more than 60 dB
below desired signal
NOTES:
1. Adjust Vcont for specified Pout.
2. VCont = 0 Vdc.
REV 7
RF DEVICE DATA
MOTOROLA
Motorola, Inc. 1997
MHW803–2
1
PIN
NO.
1
2
3
4
5
TEST FIXTURE
C1
C3
Z1
L1
C2
R.F.
IN
VCONTROL
+ 4 Vdc
@ 100 mA
(TYPICAL)
10 dB
ATTENUATOR
SIGNAL
GENERATOR
C7
C5
L2
L3
C9
C4
Vs1
+ 7.5 Vdc
@120 mA
(TYPICAL)
Z2
L4
C8
C6
Vs2
+ 7.5 Vdc
@100 mA
(TYPICAL)
C1, C2 — 0.018 mF CHIP
C3, C5, C7 — 0.1 mF
C4, C6, C8, C9 — 1 mF Tantalum
L1, L2, L3, L4 — 0.15 mH
Z1, Z2 — 50 W MICROSTRIP
Vs3
+ 7.5 Vdc
@450 mA
(TYPICAL)
R.F.
OUT
50
OHM
LOAD
Figure 1. Power Module Test System
Block Diagram
MHW803–2
2
MOTOROLA RF DEVICE DATA
3
50
VCont
45
η
2
1
40
2.0:1
VSWR
1.5:1
0
780
800
820
840
f, FREQUENCY (MHz)
1.0:1
880
860
4
Pin = 1 mW
Vs1 = Vs2 = Vs3 = 7.5 Vdc
Pout , OUTPUT POWER (W)
Pin = 1 mW
Pout = 2 W
Vs1 = Vs2 = Vs3 = Vs4 = 7.5 Vdc
INPUT VSWR
VCont , CONTROL VOLTAGE (Vdc)
4
η, EFFICIENCY (%)
TYPICAL CHARACTERISTICS
870 MHz
2
1
0
0
Figure 2. Control Voltage, Efficiency and VSWR
versus Frequency
2
3
VCont, CONTROL VOLTAGE (Vdc)
4
5
4
Pin = 1 mW
VCont = 4 Vdc
VCont , CONTROL VOLTAGE (Vdc)
Pout , OUTPUT POWER (W)
1
Figure 3. Output Power versus Control Voltage
4
Vs1 = Vs2 = Vs3 = 7.5 Vdc
3
Vs1 = Vs2 = Vs3 = 6 Vdc
2
1
0
780
800
820
840
f, FREQUENCY (MHz)
860
f = 800 MHz
3
870 MHz
2
Pin = 1 mW
Vs1 = Vs2 = Vs3 = 7.5 Vdc
Pout = 2 W
1
0
–80
880
–60
–40
–20
0
20
40
60
80
100
TC, CASE TEMPERATURE (°C)
Figure 4. Output Power versus Frequency
Figure 5. Control Voltage versus Case Temperature
4
4
Pin = 1 mW
Vs1 = Vs2 = Vs3 = 7.5 Vdc
VCont set for Pout = 2 W @ TC = 20°C
3
Pout , OUTPUT POWER (W)
Pout , OUTPUT POWER (W)
f = 800 MHz
835 MHz
3
2
f = 870 MHz
1
0
–80
800 MHz
–60
–40
–20
0
20
40
60
TC, CASE TEMPERATURE (°C)
80
100
Figure 6. Output Power versus Case Temperature
MOTOROLA RF DEVICE DATA
3
f = 800 MHz
870 MHz
2
Pin = 1 mW
Vs1 = Vs2 = Vs3 = 7.5 Vdc
VCont = 4 Vdc
1
0
–80
–60
–40
–20
0
20
40
60
TC, CASE TEMPERATURE (°C)
80
100
Figure 7. Output Power versus Case Temperature
at Maximum Control Voltage
MHW803–2
3
APPLICATIONS INFORMATION
NOMINAL OPERATION
All electrical specifications are based on the nominal
conditions of Vs1 = Vs2 = Vs3 = 7.5 Vdc (Pins 2, 3, 4) and Pout
equal to 2 watts. With these conditions, maximum current
density on any device is 1.5 x 105 A/cm2 and maximum die
temperature with 100°C case operating temperature is
165°C. While the modules are designed to have excess gain
margin with ruggedness, operation of these units outside the
limits of published specifications is not recommended unless
prior communications regarding intended use have been
made with the factory representative.
GAIN CONTROL
The module output should be limited to 2 watts. The preferred method of power output control is to fix Vs1 = Vs2 = Vs3
= 7.5 Vdc (Pins 2, 3, 4), Pin (Pin 1) at 1 mW, and vary VCont
(Pin 1) voltage.
MHW803–2
4
DECOUPLING
Due to the high gain of the three stages and the module
size limitation, external decoupling networks require careful
consideration. Pins 2, 3 and 4 are internally bypassed with a
0.018 µF chip capacitor which is effective for frequencies
from 5 MHz through 905 MHz. For bypassing frequencies
below 5 MHz, networks equivalent to that shown in Figure 1
are recommended. Inadequate decoupling will result in spurious outputs at certain operating frequencies and certain
phase angles of input and output VSWR.
LOAD MISMATCH
During final test, each module is load mismatch tested in a
fixture having the identical decoupling networks described in
Figure 1. Electrical conditions are Vs1 = Vs2 = Vs3 equal to 10
Vdc, VSWR equal to 10:1, and output power equal to 3 watts.
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION F TO CENTER OF LEADS.
–Z–
–A–
G
0.13 (0.005)
M
T A
R
M
B
–S–
J
1
2
3 4
5
K
Q 2 PL
0.13 (0.005)
X
M
V
D 5 PL
0.25 (0.010) M T Z
L
N
H
F
E
C
–T–
SEATING
PLANE
P
T S
DIM
A
B
C
D
E
F
G
H
J
K
L
N
P
Q
R
S
V
X
INCHES
MIN
MAX
1.760
1.780
1.370
1.390
0.245
0.265
0.018
0.022
0.080
0.100
0.130 BSC
1.650 BSC
1.485 BSC
0.267
0.278
0.230
0.300
0.785 BSC
1.285 BSC
0.008
0.012
0.120
0.130
0.535
0.555
0.445
0.465
0.685 BSC
0.385 BSC
MILLIMETERS
MIN
MAX
44.71
45.21
34.80
35.30
6.23
6.73
0.46
0.55
2.04
2.54
3.30 BSC
41.91 BSC
37.72 BSC
6.79
7.06
5.85
7.62
19.94 BSC
32.64 BSC
0.21
0.30
3.05
3.30
13.59
14.09
11.31
11.81
17.40 BSC
9.78 BSC
5 PL
0.25 (0.010)
M
T
STYLE 1:
PIN 1.
2.
3.
4.
5.
CASE:
RF INPUT/V CONT
VS1
VS2
VS3
RF OUTPUT
GROUND
CASE 301E–04
ISSUE F
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
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are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
Mfax is a trademark of Motorola, Inc.
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MOTOROLA RF DEVICE DATA ◊
MHW803/D
MHW803–2
5