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PDF TBA229-5 Data sheet ( Hoja de datos )
| Número de pieza | TBA229-5 | |
| Descripción | Dual Sound FM IF Amplifier | |
| Fabricantes | Siemens | |
| Logotipo |  |
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Dual Sound FM IF Amplifier
Features
High AM suppression over a very wide
input voltage range
High sensitivity
Very high symmetry
TBA 229-5
TBA 229-5
Bipolar IC
P-DIP-16
The component contains two separate limiter amplifiers with FM demodulators and separate
AF outputs.
Type
TBA 229-5
Ordering Code
Q67000-A5133
Package
P-DIP-16
Circuit Description
The component contains two separate FM sound IF sections for television stereo applications
or for multistandard receivers. Each FM section consists of an eight-stage symmetrical limiter
amplifier followed by a coincidence demodulator and an AF pre-amplifier with a low-ohmic
output. The component features considerably improved AM suppression characteristics with
small input signals, as well as a very low frequency deviation between THD min and AM min.
Semiconductor Group
1
01.93
1 page  
TBA 229-5
Pin Functions
Pin No.
1, 2
3
4
5
6
7, 8
9
10
11
12
13
14
15
16
Function
Demodulator tank circuit connection IF 1
(high impedance input – slope of S-curve can be determined by external resistor
between pins 1 and 2)
GND
AF output IF 1 (emitter follower)
AF output IF 2 (emitter follower)
Supply voltage
Demodulator tank circuit connection IF 2
(high impedance input – slope of S-curve can be determined by external resistor
between pins 1 and 2)
Operating point feedback of limiter amplifier and low end IF 2
(RF decoupling of IF amplifiers with appropriate capacitors is required!
Operating point feedback of limiter amplifier IF 2
(RF decoupling of IF amplifiers with appropriate capacitors is required!)
IF 2 input
(input of limiter amplifier IF 2; internal resistor between pins 9 and 11 is typ. 800 Ω)
GND
Internal reference voltage (typ. 6 V)
IF 1 input
(input of limiter amplifier IF 2; internal resistor between pins 14 and 15 is
typ. 800 Ω)
Operating feedback of limiter amplifier IF 1
(RF decoupling of IF amplifiers with appropriate capacitors is required!)
Operating point feedback of limiter amplifier and low end IF 1
(RF decoupling of IF amplifiers with appropriate capacitors is required!)
Semiconductor Group
5
5 Page 
TBA 229-5
Test Circuit
Semiconductor Group
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TBA229-5.PDF ] | |
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