Description:

The NTE7004 contains CPU/PLL–excluded peripheral circuits such as band switch, +5V power supply (with RST), sync detector, low–pass filter for color TV/VCR frequency synthesizer channel select system use.

Functions:

• Band Switch (2–Input, 4–Output)

• Video Signal, Flyback Pulse, AFT Output–Used Detection of Tuning Mode and Horizontal Sync Mode

• +5V Power Supply, with RST Output (for CPU)

• OP Amp for Low–Pass Filter (for Frequency Synthesizer)

Features:

• The Band Switch Truth Table can be changed in a short period of time at the user’s option.

• The Band Switch is of PNP output type which need not be driven externally.

• The OP Amp for Low–Pass Filter is excellant in pulse response because of it’s High–Impedance Input Pin.