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參數(shù)資料
| 型號： | MRF947 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 小信號晶體管 |
| 英文描述： | Low Noise High-Freqency Transistors(低噪音高頻率NPN晶體管) |
| 中文描述： | L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR |
| 封裝： | CASE 149-02, 3 PIN |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 275K |
| 代理商： | MRF947 |
MMBR941 MRF947 SERIES
10
MOTOROLA RF DEVICE DATA
Figure 14. MMBR941LT1, T3 Constant Gain and Noise Figure Contours
(f = 1.0 GHz)
f (GHz)
NF OPT (dB)
RN
38
0.5
1.54
Γ
MS NF OPT
0.71
∠
39
°
+j1
+j2
–j2
–j1
–j0.5
–j0.2
+j0.2
+j0.5
8
9
10
11
8
K
0.28
f (GHz)
NF OPT (dB)
RN
28
1.0
1.95
Γ
MS NF OPT
0.55
∠
76
°
K
0.51
+j1
+j2
–j2
–j1
–j0.5
–j0.2
+j0.2
+j0.5
8.6
1.7
1.9
2.1
7
6
2
2.12.3
2.5
VCE = 1.0 V
IC = 0.5 mA
— AREA OF INSTABILITY
VCE = 1.0 V
IC = 0.5 mA
— AREA OF INSTABILITY
Figure 15. MMBR941LT1, T3 Constant Gain and Noise Figure Contours
(f = 0.5 GHz)
1.5
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