TDA6405A tuners equivalent, 5 v mixer/oscillator-pll synthesizers for hyperband tuners.
* Single chip 5 V mixer/oscillator-PLL synthesizer for hyperband tuners
* I2C-bus protocol
* 3 PNP band switch buffers (25 mA)
* 33 V tuning voltage outpu.
* Hyperband tuners for Europe using a 2-band mixer/oscillator in a switched concept. GENERAL DESCRIPTION The TDA6404.
The TDA6404, TDA6405 and TDA6405A are programmable 2-band mixer/oscillator-PLL synthesizers intended for VHF/UHF and hyperband tuners (see Fig.1). The devices include two double balanced mixers and two oscillators for the VHF and UHF band, an IF ampl.
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