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904 00000215 BA7025L (SECAM Discriminator IC) (18-lead ZIP package) BA7025L   SECAM discriminator IC

The BA7025L incorporates a PAL/SECAM discriminator circuit on a single IC. It is ideal for use in video cassette recorders and televisions. By adding a ceramicfilter, an LC circuit for fHor/2 resonance, and a few resistors and capacitors, it is possible to construct an extremely sensitive PAl/SECAM discriminator circuit. The BA7025L has two burst input terminals and a built-in switching circuit that switches between inputs depending on the mode.
An output control terminal is provided to force SECAM operation and prevent erroneous operation when reception is weak. The BA7025L can operate off either 5V or 9V.

• Applications
Video cassette recorders and televisions

• Features
1)PWM integration used to give a large noise margin, and ensure a high-sensitivity discriminator circuit
  that is extremely stable with respect to fluctuation in the burst signal input level.
2)Low sensitivity variation means adjustment can be dispensed with.
3)Built-in input switching circuit.
4)Built-in output control (forced SECAM).
5)Large output current capacity.
6)Minimal external components required. 0.89
  
BA7025L   SECAM discriminator IC

The BA7025L incorporates a PAL/SECAM discriminator circuit on a single IC. It is ideal for use in video cassette recorders and televisions. By adding a ceramicfilter, an LC circuit for fHor/2 resonance, and a few resistors and capacitors, it is possible to construct an extremely sensitive PAl/SECAM discriminator circuit. The BA7025L has two burst input terminals and a built-in switching circuit that switches between inputs depending on the mode.
An output control terminal is provided to force SECAM operation and prevent erroneous operation when reception is weak. The BA7025L can operate off either 5V or 9V.

• Applications
Video cassette recorders and televisions

• Features
1)PWM integration used to give a large noise margin, and ensure a high-sensitivity discriminator circuit
  that is extremely stable with respect to fluctuation in the burst signal input level.
2)Low sensitivity variation means adjustment can be dispensed with.
3)Built-in input switching circuit.
4)Built-in output control (forced SECAM).
5)Large output current capacity.
6)Minimal external components required.   Datenblatt