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UMA1020 Datasheet

Part Number UMA1020
Manufacturers NXP
Logo NXP
Description Low-voltage dual frequency synthesizer for radio telephones
Datasheet UMA1020 DatasheetUMA1020 Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET UMA1020AM Low-voltage dual frequency synthesizer for radio telephones Product specification Supersedes data of November 1994 File under Integrated Circuits, IC03 1995 Jul 06 Philips Semiconductors Product specification Low-voltage dual frequency synthesizer for radio telephones FEATURES • Low current from 3 V supply • Fully programmable RF divider • 3-line serial interface bus • Second synthesizer to control first IF or offset loop frequency • Independent fully .

  UMA1020   UMA1020






Part Number UMA1022M
Manufacturers NXP
Logo NXP
Description Low cost dual frequency synthesizer for radio telephones
Datasheet UMA1020 DatasheetUMA1022M Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET UMA1022M Low cost dual frequency synthesizer for radio telephones Product specification Supersedes data of 1998 May 15 File under Integrated Circuits, IC17 1998 Dec 09 Philips Semiconductors Product specification Low cost dual frequency synthesizer for radio telephones FEATURES • Low phase noise • Low current from 3 V supply • Fully programmable dividers • 3-line serial interface bus • Input reference buffer configurable as an oscillator with external crystal re.

  UMA1020   UMA1020







Part Number UMA1021
Manufacturers NXP
Logo NXP
Description Low-voltage frequency synthesizer for radio telephones
Datasheet UMA1020 DatasheetUMA1021 Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET UMA1021AM Low-voltage frequency synthesizer for radio telephones Product specification Supersedes data of 1998 Mar 03 File under Integrated Circuits, IC17 1998 Nov 19 Philips Semiconductors Product specification Low-voltage frequency synthesizer for radio telephones FEATURES • Low phase noise • Low current from 3 V supply • Fully programmable main divider • 3-line serial interface bus • Independent fully programmable reference divider, driven from external cryst.

  UMA1020   UMA1020







Low-voltage dual frequency synthesizer for radio telephones

INTEGRATED CIRCUITS DATA SHEET UMA1020AM Low-voltage dual frequency synthesizer for radio telephones Product specification Supersedes data of November 1994 File under Integrated Circuits, IC03 1995 Jul 06 Philips Semiconductors Product specification Low-voltage dual frequency synthesizer for radio telephones FEATURES • Low current from 3 V supply • Fully programmable RF divider • 3-line serial interface bus • Second synthesizer to control first IF or offset loop frequency • Independent fully programmable reference dividers for each loop, driven from external crystal oscillator • Dual phase detector outputs to allow fast frequency switching • Dual power-down modes. APPLICATIONS • 1 to 1.7 GHz mobile telephones • Portable battery-powered radio equipment. GENERAL DESCRIPTION The UMA1020AM BICMOS device integrates prescalers, programmable dividers, and phase comparators to implement two phase-locked loops. The device is designed to operate from 3 NiCd cells, in pocket phones, with low current and nominal 5 V supplies. QUICK REFERENCE DATA SYMBOL VCC, VDD ICC + IDD PARAMETER supply voltage principal synthesizer supply current principal and auxiliary synthesizer supply current ICCPD, IDDPD fVCO fAI fXTAL fPPC fAPC Tamb current in power-down mode per supply principal input frequency auxiliary input frequency crystal reference input frequency principal phase comparator frequency auxiliary phase comparator frequency operating ambient temperature CONDITIONS VCC ≥ VDD auxiliary synth.


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