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參數(shù)資料
| 型號： | MHW2821-2 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 衰減器 |
| 英文描述： | UHF Silicon FET Power Amplifier |
| 中文描述： | 890 MHz - 950 MHz RF/MICROWAVE NARROW BAND HIGH POWER AMPLIFIER |
| 封裝： | CASE 301AB-02, 5 PIN |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 75K |
| 代理商： | MHW2821-2 |
MHW2821–1 MHW2821–2
2
MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS (continued)
(VS2 = VS3 = 12.5 Vdc, Vbias = 12.5 Vdc, TC = +25
°
C, 50
system, unless
otherwise noted)
Characteristic
Symbol
Min
Max
Unit
Load Mismatch Stress
(Vsupply = 16 Vdc; Pout = 20 W for MHW2821–1; Pout = 18 W for MHW2821–2;
Load VSWR = 20:1, All Phase Angles at Frequency of Test) (1)
ψ
No Degradation in
Output Power
Before and After Test
Stability (Vsupply = 10.8 to 16 Vdc; Pin = 0 to 250 mW for MHW2821–1;
Pin = 0 to 300 mW for MHW2821–2; Load VSWR = 4:1,
All Phase Angles at Frequency of Test
—
All Spurious Outputs
More than 60 dB
Below Desired Signal
Quiescent Current (With No RF Applied)
(VS2 = VS3 = 12.5 Vdc; Vbias = 12.5 Vdc)
Isq
—
500
mA
Leakage Current (With No RF Applied)
(VS2 = VS3 = 12.5 Vdc; Vbias = 0 Vdc)
IL
—
0.6
mA
Bias Pin Current
(Rated Pout) (1)
(1) Adjust Pin for specified Pout.
Ibias
—
0.8
mA
Figure 1. Test Circuit Diagram
RF SIGNAL
GENERATOR
Vbias
12.5 V
VS2
12.5 V
VS3
12.5 V
10 dB
MINIMUM
ATTENUATION
POWER
TERMINATION
20 dB DUAL
DIRECTIONAL COUPLER
INPUT
POWER
METER
REFLECTED
POWER
METER
RF IN
RF OUT
C1
C8
C3
1
2
3
4
5
C4
C7
C9
C2
C5
C6
OUTPUT
POWER
METER
SPECTRUM
ANALYZER
20 dB DUAL
DIRECTIONAL COUPLER
BLOCK DIAGRAM
C1, C2, C3
C4, C5, C6
C7, C8, C9
Z1, Z2
0.018
μ
F
0.1
μ
F
1.0
μ
F
50
Microstrip
TEST FIXTURE
Z1
Z2
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