MHW913 Datasheet, PDF (2/4 Pages) Motorola, Inc – 14 WATT 880-915 MHz RF POWER AMPLIFIER

ELECTRICAL CHARACTERISTICS (continued) (VS2 = VS3 = 12.5 V, Vbias = 4.8 V, TC = 25°C, 50 Ω system, unless otherwise noted)
Load Mismatch Stress (Vsupply = 15.6 Vdc, Pout = 15 W;
Load VSWR = 10:1, All Phase Angles) (1)
—
No degradation in
output power
Stability (Vsupply = 10.8 to 16 Vdc; Pout = 0.03 to 14 W;
Load VSWR = 6:1, All Phase Angles) (1)
—
All spurious outputs more than
60 dB below desired signal
Quiescent Current (With No RF Applied)
(VS2 = VS3 = 12.5 Vdc, Vbias = 4.8 Vdc)
Leakage Current (Pin = 0 mW, VS2 = VS3 = 12.5 Vdc, Vb = 0 Vdc)
Bias Pin Current (Pout = 14 W) (1)
Noise Power (In 30 kHz Bandwidth, 20 MHz above fo)
(Pout = 0.03 to 14 W, VS2 = VS3 = 10.8 to 15.6 Vdc; Vbias= 4.8 Vdc) (1)
(1) Adjust Pin for specified Pout.
Isq
IL
Ibias
—
mA
—
500
—
0.6
mA
—
0.8
mA
dBm
—
–70
MHW913 BLOCK DIAGRAM
INPUT
POWER
METER
REFLECTED
POWER
METER
1
2
C1
Z1
TEST FIXTURE 3
C4
C5
C7 C8
4
C2 C3
5
C6
C9
Z2
OUTPUT
POWER
METER
SPECTRUM
ANALYZER
20 dB DUAL
DIRECTIONAL COUPLER
RF IN
Vbias
4.8 V
VS2
12.5 V
VS3
12.5 V
10 dB
MINIMUM
ATTENUATION
RF SIGNAL
GENERATOR
C1, C2, C3
C4, C5, C6
C7, C8, C9
Z1, Z2
0.018 µF
0.1 µF
1.0 µF
50 Ω Microstrip
Figure 1. MHW913 Test Circuit Diagram
RF OUT
20 dB DUAL
DIRECTIONAL COUPLER
POWER
TERMINATION
MHW913
2
MOTOROLA RF DEVICE DATA