MOTOROLA MRFA2602

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by MRFA2602/D
SEMICONDUCTOR TECHNICAL DATA
The RF Line
The MRFA2602 is a solid state class A amplifier and is specifically designed
for TV transposers and transmitters. This amplifier incorporates microstrip
technology and reliable Motorola push–pull transistors.
• Specified 25.5 Volts, 470 – 860 MHz Characteristics
Output Power — 40 Watts @ – 50 dB (3 Tones)
Output Power — 60 Watts Min @ 1 dB Comp. (CW)
Gain — 8.5 dB Min (Small Signal)
60 W, 470 – 860 MHz
CLASS A
RF POWER AMPLIFIER
CASE 429C–03, STYLE 1
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
VCC
26.5
Vdc
Input Power
Pin
15
W
Storage Temperature Range
Tstg
– 40 to +100
°C
Operating Temperature (1)
Top
– 20 to + 70
°C
Supply Voltage
NOMINAL OPERATION CONDITION (TC = 60°C)
Supply
VCC = 25.5 V
Isup = 9.2 A
ELECTRICAL CHARACTERISTICS (TC = 25°C, Nominal Supply, 470 – 860 MHz Bandwidth, unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
Power Gain (small signal)
Gp
8.5
—
—
dB
Gain Ripple (small signal)
Grple
—
—
±1
dB
Output Power @ 1 dB Compression
Pout
60
—
—
W
Mismatch Tolerance (Pout = 60 W)
VSWR
1:1
—
—
—
Intermodulation (– 8 dB/– 7 dB/–16 dB, Pref = 40 W)
IMD1
—
—
– 50
dB
Intermodulation (– 8 dB/–10 dB/–16 dB, Pref = 40 W)
IMD2
—
—
– 53
dB
IRL/ORL
—
—
– 15
dB
Input Return Loss/Output Return Loss
NOTE:
1. Temperature is measured at temperature test point (on the flange of the transistor).
REV 3
RF DEVICE DATA
MOTOROLA
Motorola, Inc. 1997
MRFA2602
1
+VCC1
+VCC2
RF DETECTION
50
ÎÎ
ÎÎÎ
W
ÎÎÎÎ ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
Î
ÎÎÎÎÎÎÎÎ
ÎÎÎ
ÎÎ
ÎÎÎÎ
ÎÎ
Î
ÎÎÎÎ
ÎÎÎ
ÎÎÎÎÎ
Î
Î
ÎÎÎ
ÎÎÎ
ÎÎÎÎÎÎÎ
ÎÎÎ ÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
Î
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎÎÎÎÎ
ÎÎ
Î
ÎÎÎÎ
ÎÎ
ÎÎ
ÎÎ
50 W RF OUTPUT
RF INPUT
GROUND TO CASE
Î
MRFA2602
2
Figure 1. MRFA2602 Connections
MOTOROLA RF DEVICE DATA
TYPICAL CHARACTERISTICS
0
10
VCC = 25.5 Vdc
Isup = 9.2 A
Pout = 100 mW
9
450
900
COMPRESSION (dB)
Gp, POWER GAIN (dB)
11
1
VCC = 25.5 Vdc
Isup = 9.2 A
Pout = 80 W
2
450
900
f, FREQUENCY (MHz)
f, FREQUENCY (MHz)
Figure 2. Power Gain versus Frequency
Figure 3. Gain Compression versus Frequency
TEST CONDITIONS:
DIFF. Gain, 10 Steps
Channel 61
VCE = 25.5 Vdc
Isup = 9.2 A
VIDEO SIGNAL
100
0
– 40
IMD, INTERMODULATION (dB)
– 50
– 52
– 54
3 TONES: – 8 dB/–16 dB/– 7 dB
450
VCC = 25.5 Vdc
Isup = 9.2 A
Pref = 40 W
900
f, FREQUENCY (MHz)
Figure 4. Intermodulation versus Frequency
MOTOROLA RF DEVICE DATA
%
100
90
80
70
60
50
40
30
20
10
0
%
100
90
80
70
60
50
40
30
20
10
0
Pout = 55 W
Pout = 80 W
Figure 5. Differential Gain
MRFA2602
3
MOUNTING RECOMMENDATIONS
1. HEATSINK TOOLING
• Planarity: Better than 0.03 mm
• Roughness: Typical Value 0.8
• 8 Fixing Holes M3
0.03
Ra 0.8
2. THERMAL COMPOUND
•
•
•
•
•
Paste with silicones: SICERONT KF Ref. 1201 Recommended.
Thickness: Optimum between 0.06 mm and 0.15 mm, on the whole
back surface of the amplifier.
(Typical volume: 700 mm 3 for 0.1 mm thickness)
(Equivalent weight: 1.5 g for 2.2 density paste)
3. SCREWS
• Socket head cap screws: — CHC M3 x 10 for Copper/Aluminum Heatsink.
• Material: Nickel plated steel.
4. WASHERS
• Split lock washers WZ ∅3 + Flat washers ZU ∅3.
5. TIGHTENING ORDER
5
3
8
1
INPUT
OUTPUT
2
7
6
4
Maximum Recommended Torque: 12 Kg.cm
(10.5 in. lbs.)
6. MOUNTING VERIFICATION
Supply the amplifier (25.5 Vdc) without RF signal, and measure temperature on points 1, 2, 3, and 4.
ÂÂ
Â
ÂÂ
Â
Â
Â
ÂÂ
T1
T2
T3
Characteristic
Typ
Max
Unit
T1, T2, T3, T4
—
70
°C
∆(T1, T2), ∆(T3, T4)
3
5
°C
T4
CLEANING RECOMMENDATIONS
Some components of this amplifier are not qualified for every kind of cleaning solvent, so DO NOT clean the amplifier in a
solvent bath. Local cleaning is recommended.
MRFA2602
4
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
E
F
W
G
COMPONENT
AREA
L
D
1
H J
M
T
Q U
3
BK
GROUND TO CASE
P
N
4
5
2
C
V
S
4 PL
R
4 PL
MILLIMETERS
DIM MIN
MAX
A 114.88 115.12
B
84.88
85.12
C
3.40
3.60
D
54.70
54.90
E 111.40 111.60
F
3.40
3.60
G
4.00
4.20
H
39.90
40.70
J
44.30
45.10
K
81.40
81.60
L
–––
17.00
M
51.80
52.00
N
33.00
33.20
P
14.60
15.40
Q
69.60
70.40
R
3.40
3.70
S
3.00
3.30
T
53.50
54.30
U
80.80
81.00
V
4.50
4.90
W
95.80
96.60
STYLE 1:
PIN 1.
2.
3.
4.
5.
INCHES
MIN
MAX
4.523
4.532
3.342
3.351
0.134
0.142
2.154
2.161
4.386
4.394
0.134
0.142
0.157
0.165
1.571
1.602
1.744
1.776
3.205
3.213
–––
0.669
2.039
2.047
1.229
1.307
0.575
0.606
2.740
2.772
0.134
0.146
0.118
0.130
2.106
2.138
3.181
3.189
0.177
0.193
3.772
3.803
RF INPUT
RF OUTPUT
+VCC1
+VCC2
RF DETECTION GROUND TO CASE
CASE 429C–03
ISSUE B
MOTOROLA RF DEVICE DATA
MRFA2602
5
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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 can and do vary in different
applications. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does
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associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
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P.O. Box 20912; Phoenix, Arizona 85036. 1–800–441–2447
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51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298
MRFA2602
6
◊
*MRFA2602/D*
MRFA2602/D
MOTOROLA RF DEVICE
DATA