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TSH512 数据表(PDF) 13 Page - STMicroelectronics

部件名 TSH512
功能描述  Hi-fi stereo/mono infrared transmitter and stereo sub-carrier generator
PDF  31 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TSH512 数据表(HTML) 13 Page - STMicroelectronics

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TSH512
Electrical characteristics
Doc ID 8120 Rev 7
13/31
3.3
RF section
Figure 16.
VCO output voltage vs. RVCO
Figure 17.
VCO-BIAS voltage vs. VCO-BIAS
current
10k
100k
1M
300
350
400
450
500
550
600
650
700
V
CC
= 2.7V
L = 120µH (Q=30)
F
CARRIER
= 2.8MHz
R
VCO
(
Ω)
0
1020
304050
1.30
1.35
1.40
1.45
V
CC
= 2.7V
R
filter
= 51
Ω
C
filter
= 470nF
I
VCO-BIAS
(mA)
Figure 18.
VCO and output buffer spectrum
Figure 19.
VCO-BIAS voltage vs. temperature
Figure 20.
VCO and output buffer spectrum
36
9
12
15
18
-30
-20
-10
0
10
20
30
40
50
60
V
CC
= 2.7V
R
VCO
= 22k
Ω
Z
L
= 2k
Ω
F
CARRIER
= 2.8MHz
Frequency(MHz)
-40 -30 -20 -10 0
102030 40 5060 70 80
1.3
1.4
1.5
1.6
V
CC
= 2.7V
No Load
T
AMB(°C)
-30
-20
-10
0
10
20
30
40
50
60
V
CC
= 2.7V
L = 120µH (Q=30)
R
VCO
= no connected
Z
L
= 2k
Ω
BW = 200Hz
F
CARRIER
= 2.8MHz
Frequency(MHz)



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