Dual Sound FM IF Amplifier
TBA 229-5
Dual Sound FM IF Amplifier
TBA 229-5
Bipolar IC
Features High AM suppression over a very wide input voltage...
Description
TBA 229-5
Dual Sound FM IF Amplifier
TBA 229-5
Bipolar IC
Features High AM suppression over a very wide input voltage range High sensitivity Very high symmetry
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
TBA 229-5
Absolute Maximum Ratings Parameter Supply voltage Reference current IF input voltage DC voltages DC currents Junction temperature Storage temperature range Thermal resistance (system-air) Operating Range Supply voltage Ambient temperature Frequency VS TA fI 10.5 0 0.1 15.75 70 12 V ˚C MHz Symbol min. VS I REF VI IF rms V 9, 10, 11 V 14, 15, 16 I 1, 2, 4, 5, 7, 8 Tj T stg R th SA 0 0 0 0 0 0 – 40 Limit Values max. 16 2 600 V REF V REF 2 150 125 80 V mA mV V V mA ˚C ˚C K/W Unit
Semiconductor Group
2
TBA 229-5
Characteristics V S = 12 V; T A = 25 ˚C; VI IF 14 rms = 10 mV; fI IF 11, 14 = 5.5 MHz; f mod = 1 kHz; ∆ f = ± 30 kHz (if not s...
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