Motorola MRFA2600 Datasheet
S
SEMICONDUCTOR TECHNICAL DATA
The RF Line
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by MRFA2600/D
The MRFA2600 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 26.5 Volts: 470–860 MHz Characteristics
Output Power: 25 Watts Min @ 1 dB Comp. (CW)
Gain: 10.5 dB Min (Small Signal)
• Suitable for 28 Volts Application
• 50 Ω Input and Output Impedance
MAXIMUM RATINGS
Rating Symbol Value Unit
Supply Voltage V
Current I
Storage Temperature Range T
Operating Temperature (1) T
NOMINAL OPERATION CONDITION
upply
Transposer Application VCC = 26.5 V I
Transmitter Application VCC = 28 V I
CC
max
stg
op
25 W, 470–860 MHz
CLASS A
RF POWER AMPLIFIER
CASE 429A–02
STYLE 1
29 Vdc
4 Adc
–40 to +100 °C
–20 to +70 °C
= 3.8 A
sup
= 3.6 A
sup
ELECTRICAL CHARACTERISTICS (T
Characteristic
Instantaneous Bandwidth BW 470 860 MHz
Power Gain (small signal) G
Gain Ripple (small signal) G
Output Power @ 1 dB Compression P
Mismatch Tolerance (P
Intermodulation (–8 dB/–16 dB/–10 dB, P
Intermodulation (–8 dB/–16 dB/–7 dB, P
Input Return Loss IRL 15 — dB
(1) Temperature is measured at temperature test point (on the flange of the transistor).
REV 3
= 25 W) VSWR
out
Motorola, Inc. 1997
= 25°C, VCC = 26.5 V, I
C
= 20 W) IMD — –52.5 dB
ref
= 20 W) IMD — –50 dB
ref
= 3.8 A, unless otherwise noted)
sup
Symbol Min Max Unit
p
rple
out
10.5 — dB
— ±1 dB
25 — W
1
:1
— —
ref
ref
MRFA2600MOTOROLA RF DEVICE DATA
1
OUTPUT
ÀÀ
ÀÀ
BIAS REMOTE
INPUT
RF DETECTION
VD = 1 V @ 25 W
on infinite load
DATE/SERIAL
MRFA2600
0000 000
PATENTED DESIGN
Figure 1. MRFA2600 Connections
C1 22 pF
D1 MMBD701
R1 22 kΩ
R2 680 Ω
R3 2.2 kΩ
RF VIDEO
84ASTBB514C
ISSUE E
R1
D1
R2 R3 C1
RF DETECTION
V
CC1
V
CC2
BIAS REMOTE
MRFA2600
2
If B.R. = “1” (TTL signal)
bias circuit is off
R1 4.7 kΩ
R2 4.7 kΩ
T1 BCX20.
B.R.
R1
T1
R2
MOTOROLA RF DEVICE DATA
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