參數(shù)資料
型號(hào): MPS6521
廠商: ON SEMICONDUCTOR
元件分類(lèi): 小信號(hào)晶體管
英文描述: Amplifier Transistors
中文描述: 100 mA, 25 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92
封裝: CASE 29-11, TO-226, 3 PIN
文件頁(yè)數(shù): 4/12頁(yè)
文件大?。?/td> 551K
代理商: MPS6521
4
Motorola Small–Signal Transistors, FETs and Diodes Device Data
NPN
MPS6521
NOISE FIGURE CONTOURS
(VCE = 5.0 Vdc, TA = 25
°
C)
Figure 5. Narrow Band, 100 Hz
IC, COLLECTOR CURRENT (
μ
A)
500 k
200 k
Figure 6. Narrow Band, 1.0 kHz
IC, COLLECTOR CURRENT (
μ
A)
10
2.0 dB
BANDWIDTH = 1.0 Hz
R
R
Figure 7. Wideband
IC, COLLECTOR CURRENT (
μ
A)
10
10 Hz to 15.7 kHz
R
Noise Figure is defined as:
NF
20 log10
en2
4KTRS
4KTRS
In2RS2
1 2
= Noise Voltage of the Transistor referred to the input. (Figure 3)
= Noise Current of the Transistor referred to the input. (Figure 4)
= Boltzman’s Constant (1.38 x 10–23 j/
°
K)
= Temperature of the Source Resistance (
°
K)
= Source Resistance (Ohms)
en
In
K
T
RS
3.0 dB
4.0 dB
6.0 dB
10 dB
50
100
200
500
1 k
10 k
5 k
20 k
50 k
100 k
2 k
20
30
50 70
100
200 300
500 700
1 k
10
20
30
50 70
100
200 300
500 700
1 k
500 k
100
200
500
1 k
10 k
5 k
20 k
50 k
100 k
200 k
2 k
1 M
500 k
200 k
50
100
200
500
1 k
10 k
5 k
20 k
50 k
100 k
2 k
20
30
50
70
100
200 300
500 700
1 k
BANDWIDTH = 1.0 Hz
1.0 dB
2.0 dB
3.0 dB
5.0 dB
8.0 dB
1.0 dB
2.0 dB
3.0 dB
5.0 dB
8.0 dB
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