LESHAN RADIO COMPANY, LTD.
MMBT5088LT1 MMBT5089LT1
NOISE CHARACTERISTICS
(V
CE
= 5.0 Vdc, T
A
= 25°C)
NOISE VOLTAGE
30
30
BANDWIDTH=1.0Hz
e
n
, NOISE VOLTAGE (nV)
BANDWIDTH=1.0Hz
I
C
= 10 mA
3.0mA
10
R
S
~ 0
~
e
n
, NOISE VOLTAGE (nV)
20
20
R
S
~ 0
~
f = 10Hz
10
7.0
100Hz
10kHz
1.0mA
7.0
5.0
5.0
1.0kHz
300µA
3.0
10 20
50 100
200 5001.0k
2.0k 5.0k 10k
20k 50k100k
3.0
0.01 0.02
0.05
0.1
0.2
0.5
1.0
100kHz
2.0
5.0
10
f, FREQUENCY (Hz)
I
C
, COLLECTOR CURRENT (mA)
Figure 2. Effects of Frequency
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.1
20
Figure 3. Effects of Collector Current
BANDWIDTH=1.0Hz
I
n
, NOISE CURRENT (pA)
NF, NOISE FIGURE (dB)
I
C
=10mA
3.0mA
1.0mA
300µA
100µA
10µA
R
S
~ 0
~
10 20
50 100
200 5001.0k
2.0k 5.0k 10k
20k 50k100k
16
BANDWIDTH=10 Hz to15.7 kHz
12
I
C
=1.0 mA
8.0
500µA
100µA
4.0
10µA
30µA
0
10
20
50
100 200
500
1k
2k
5k
10k 20k
50k 100k
f, FREQUENCY (Hz)
R
S
, SOURCE RESISTANCE (OHMS)
Figure 4. Noise Current
Figure 5. Wideband Noise Figure
100 Hz NOISE DATA
V
T
, TOTAL NOISE VOLTAGE (nV)
300
200
20
BANDWIDTH=1.0Hz
100µA
3.0mA
1.0mA
300µA
I
C
=10mA
100
70
50
30
20
NF, NOISE FIGURE (dB)
16
I
C
= 10mA
3.0mA
1.0mA
12
300µA
8.0
30µA
10µA
100µA
4.0
10
7.0
5.0
3.0
10 20
50 100
200 5001.0k
30µA
BANDWIDTH=1.0Hz
10µA
0
2.0k 5.0k 10k
20k 50k100k
10
20
50
100 200
500 1.0k 2.0k
5.0k 10k 20k
50k 100k
R
S
, SOURCE RESISTANCE (OHMS)
R
S
, SOURCE RESISTANCE (OHMS)
Figure 6. Total Noise Voltage
Figure 7. Noise Figure
M18–3/4
LRC [ LESHAN RADIO COMPANY ]
