Datasheet Specifications
- Part number
- U2893B
- Manufacturer
- TEMIC Semiconductors
- File Size
- 294.49 KB
- Datasheet
- U2893B_TEMICSemiconductors.pdf
- Description
- Modulation PLL for GSM/ DCS and PCS Systems
Description
U2893B Modulation PLL for GSM, DCS and PCS Systems .
Features
* D Supply voltage down to 2.7 V D Current consumption 40 mA D Power-down function D Low-current standby mode D High-speed PFD and charge pump D Integrated dividers Benefits D D D D D High-level RF integration TX architecture saves filter costs Low external part count Small SSO28 package One device fApplications
* Block Diagram MDLO I NI Q NQ PUMIX PU MIXO MIXLO MDO NMDO + 90 grd Voltage reference Mixer RF NRF I/Q modulator N:1 divider R:1 divider Mode control GND CPC GNDP MUX PFD VSP CPO VS1 VS2 VS3 ND NND RD NRD MC 12494 Figure 1. Block diagram TELEFUNKEN Semiconductors Rev. A1, 29-Jan-97 1 (14)U2893B Distributors
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