MHW2821-2 Motorola, MHW2821-2 Datasheet - Page 2

• Manufacturer Part Number: MHW2821-2
• Description: UHF Silicon FET Power Amplifier
• Manufacturer: Motorola

(1) Adjust P in for specified P out .
ELECTRICAL CHARACTERISTICS (continued)
otherwise noted)
MHW2821–1 MHW2821–2
2
Load Mismatch Stress
Stability (V supply = 10.8 to 16 Vdc; P in = 0 to 250 mW for MHW2821–1;
Quiescent Current (With No RF Applied)
Leakage Current (With No RF Applied)
Bias P in Current
ATTENUATION
(V supply = 16 Vdc; P out = 20 W for MHW2821–1; P out = 18 W for MHW2821–2;
Load VSWR = 20:1, All Phase Angles at Frequency of Test) (1)
P in = 0 to 300 mW for MHW2821–2; Load VSWR = 4:1,
All Phase Angles at Frequency of Test
(V S2 = V S3 = 12.5 Vdc; V bias = 0 Vdc)
(Rated P out ) (1)
(V S2 = V S3 = 12.5 Vdc; V bias = 12.5 Vdc)
MINIMUM
DIRECTIONAL COUPLER
10 dB
POWER
METER
INPUT
20 dB DUAL
REFLECTED
POWER
METER
GENERATOR
RF SIGNAL
Characteristic
RF IN
1
Z 1
C1
12.5 V
V bias
2
C4
Figure 1. Test Circuit Diagram
TEST FIXTURE
C1, C2, C3
C4, C5, C6
C7, C8, C9
Z1, Z2
(V S2 = V S3 = 12.5 Vdc, V bias = 12.5 Vdc, T C = + 25 C, 50
C7
BLOCK DIAGRAM
C8
C5
0.018 F
0.1 F
1.0 F
50
3
12.5 V
V S2
Microstrip
C2
C3
12.5 V
4
V S3
Symbol
I bias
C6
I sq
—
I L
C9
5
Z 2
RF OUT
MOTOROLA RF DEVICE DATA
Min
—
—
—
DIRECTIONAL COUPLER
Before and After Test
Below Desired Signal
All Spurious Outputs
OUTPUT
POWER
METER
No Degradation in
More than 60 dB
Output Power
20 dB DUAL
system, unless
Max
500
0.6
0.8
TERMINATION
SPECTRUM
ANALYZER
POWER
Unit
mA
mA
mA