9 V VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners

18W BTL x 2CH Audio Power Amplifier

PAL SIF Converter Circuit for TV and VCR Multi-system

Single-Chip, Electronic Tuner for Car Stereo

4 x 11 W single-ended or 2 x 22 W power amplifier with distortion detector