THAT1200S データシートの表示（PDF） - THAT Corporation
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THAT1200S Datasheet PDF : 10 Pages
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600033 Rev 0A
Preliminary Information
Page 5
J1
2 1 XLR-F
3
Vcc
D1
12V
Cb
220uF
+
(see text) Vcc
5 423 1
R1
100R
R2
100R
C2
470pF
C3
470pF
R3
4k7
C4
100pF
D3
D5
D4
28
IN- 7
CM
U1
5
CM
IN
OUT VCC
VEE
OUT
6
OUT
REF
3 IN+ 4
1
D6
D2
Vee
12V
optional RFI protection
Vee
Figure 3. THAT1200P typical application circuit
If, however, there is the possibility of a DC voltage
appearing across the inputs of the line receiver, a
portion of that voltage will appear directly across the
terminals of capacitor Cb. In that case, choose the
capacitor’s voltage rating so that it is capable of han-
dling the expected level of DC voltage. If the polarity
of the DC voltage is unknown, or may swing to either
polarity, the use of a non-polarized electolytic is
highly recommended.
21
3
J1
XLR-F
D3
54 231
Vcc
D1
12V
D4
C1
100pF NPO
C2
100pF NPO
D5
D6
D2
12V
Vee
Cb
+
220uF
Vcc
28
IN- 7
CM
U1
5
OUT
CM
IN
VCC
OUT
VEE
6
OUT
REF
3 IN+ 4
1
Vee
Figure 4. THAT1200P showing simplified RFI protection scheme
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com
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