參數(shù)資料
型號(hào)： MRF581
廠商： MOTOROLA INC
元件分類： 小信號(hào)晶體管
英文描述： UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR
文件頁數(shù)： 7/10頁
文件大?。?/td> 160K
代理商： MRF581
MRF581 MRF5812R1, R2
6
MOTOROLA RF DEVICE DATA
Figure 14. Minimum Noise Figure and Gain
Associated with Noise Figure versus
Frequency
Figure 15. Noise Figure and Insertion Gain
versus Collector Current
Figure 16. GUmax — Maximum Unilateral Gain,
|S21|2 versus Frequency
Figure 17. GAmax, Maximum Available Gain
versus Frequency
Figure 18. Gain–Bandwidth Product versus
Collector Current
Figure 19. 3rd Order Intercept Point and 1.0 dB
Compression Point
G
NF
,GAIN
ASSOCIA
TED
WITH
NOISE
FIGURE
(dB)
NOISE
FIGURE
(dB)
30
24
f, FREQUENCY (GHz)
0.2
0.3
18
12
6
0
0.1
0.5
0.7
1
0
1
2
3
G
NF
,GAIN
ASSOCIA
TED
WITH
NOISE
FIGURE
(dB)
NOISE
FIGURE
(dB)
20
16
IC, COLLECTOR CURRENT (mA)
25
12
8
4
0
1
2
3
50
75
100
125
4
0.15
f, FREQUENCY (GHz)
0.3
0.5
1
2
0.7
3
GAIN
(dB)
25
20
15
10
0
5
0
f, FREQUENCY (GHz)
0.3
0.5
1
2
0.7
3
GAIN
(dB)
25
20
15
10
0
5
f
,GAIN-BANDWIDTH
PRODUCT
(GHz)
T
IC, COLLECTOR CURRENT (mA)
0
8
4
0
20
60
40
80
100
6
2
120
140
GNF
VCE = 10 Vdc
IC = 50 mA
CKT — FIGURE 1
NFMIN
|S21|2
NF50
ΓS = ΓL = 0
Zo = 50
f = 500 MHz
VCE = 10 Vdc
GUmax =
|S21|2
(1 – |S11|2)(1 – |S22|2)
GUmax
|S21|2
VCE = 10 Vdc
IC = 75 mA
VCE = 10 Vdc
IC = 75 mA
GAmax =
|S21|
|S12|
(K
" K2 –1), K ≥ 1
VCE = 10 Vdc
f = 1 GHz
P
,OUTPUT
POWER
(dBm)
out
40
Pin, INPUT POWER (dBm)
30
20
10
0
–10
–40
– 30
–20
– 10
(3RD ORDER
INTERCEPT)
010
20
f1 = 500 MHz
f2 = 500.3 MHz
VCE = 10 V
IC = 75 mA
Pout (–1 dB)
–20
–30
Pin
Pout
+ 35 dBm
IP3
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