参数资料
型号: 2N5087RLRA
厂商: ON SEMICONDUCTOR
元件分类: 小信号晶体管
英文描述: 50 mA, 50 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92
封装: CASE 29-11, TO-226, 3 PIN
文件页数: 3/7页
文件大小: 151K
代理商: 2N5087RLRA
2N5087
http://onsemi.com
3
TYPICAL NOISE CHARACTERISTICS
(VCE = 5.0 Vdc, TA = 25°C)
Figure 1. Noise Voltage
f, FREQUENCY (Hz)
5.0
7.0
10
3.0
Figure 2. Noise Current
f, FREQUENCY (Hz)
1.0
10
20
50
100
200
500 1.0k
2.0k
5.0k 10k
1.0
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.1
BANDWIDTH = 1.0 Hz
RS ≈ 0
IC = 10 mA
100 mA
e n
,NOISE
VOL
TAGE
(nV)
I n
,NOISE
CURRENT
(pA)
30 mA
BANDWIDTH = 1.0 Hz
RS ≈∞
IC = 1.0 mA
300 mA
100 mA
30 mA
10 mA
10
20
50
100
200
500
1.0k 2.0k
5.0k 10k
2.0
1.0 mA
0.2
300 mA
500k
100
200
500
1.0k
10k
5.0k
20k
50k
100k
200k
2.0k
1.0M
500k
100
200
500
1.0k
10k
5.0k
20k
50k
100k
200k
2.0k
1.0M
Figure 3. Narrow Band, 100 Hz
IC, COLLECTOR CURRENT (mA)
Figure 4. Narrow Band, 1.0 kHz
IC, COLLECTOR CURRENT (mA)
10
0.5 dB
BANDWIDTH = 1.0 Hz
R
S
,SOURCE
RESIST
ANCE
(OHMS)
R
S
,SOURCE
RESIST
ANCE
(OHMS)
Figure 5. Wideband
IC, COLLECTOR CURRENT (mA)
10
10 Hz to 15.7 kHz
R
S
,SOURCE
RESIST
ANCE
(OHMS)
Noise Figure is Defined as:
NF
+ 20 log10
en2 ) 4KTRS ) In
2RS2
4KTRS
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 1023 j/
°K)
= Temperature of the Source Resistance (
°K)
= Source Resistance (Ohms)
en
In
K
T
RS
1.0 dB
2.0 dB
3.0 dB
20
30
50 70 100
200 300
500 700 1.0k
10
20
30
50 70 100
200 300
500 700 1.0k
500k
100
200
500
1.0k
10k
5.0k
20k
50k
100k
200k
2.0k
1.0M
20
30
50 70 100
200 300
500 700 1.0k
BANDWIDTH = 1.0 Hz
5.0 dB
0.5 dB
1.0 dB
2.0 dB
3.0 dB
5.0 dB
0.5 dB
1.0 dB
2.0 dB
3.0 dB
5.0 dB
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