KB8821 Overview
PRELIMINARY SPECIFICATION (V1.5) FREQUENCY SYNTHESIZER INTRODUCTION The KB8821/22/23 are high performance dual frequency synthesizers with integrated prescalers designed for RF operation up to 1.2GHz/2.0GHz/2.5GHz and IF operation up to 520MHz. The KB8821/22/23 contain dual-modulus prescalers. Using a proprietary digital phase-locked-loop technique, the KB8821/22/23 have linear phase detector characteristic and can...
KB8821 Key Features
- Very low current consumption(8821:3.5mA, 22:4.5mA, 23:5.5mA)
- Operating voltage range : 2.7 ~ 4.0V
- Selectable power saving mode(Icc=1uA typical @3V)
- Dual modulus prescaler
- QFN : Quad Flat Non-leaded(see Addendum)