ACE9020

Features: · Low Power Low Voltage (3.6 to 5.0 V) Operation· Power Down Modes· Differential Signals to Minimise Cross-talk· Auxiliary Oscillator with Transmit Up-converter· Prescaler for Main Synthesiser· Part of the ACE Integrated Cellular Phone Chipset· Small Outline 28 pin PackageApplication· AM...

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ACE9020 Picture
SeekIC No. : 004267324 Detail

ACE9020: Features: · Low Power Low Voltage (3.6 to 5.0 V) Operation· Power Down Modes· Differential Signals to Minimise Cross-talk· Auxiliary Oscillator with Transmit Up-converter· Prescaler for Main Synthes...

floor Price/Ceiling Price

Part Number:
ACE9020
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2022/6/27

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Product Details

Description



Features:

· Low Power Low Voltage (3.6 to 5.0 V) Operation
· Power Down Modes
· Differential Signals to Minimise Cross-talk
· Auxiliary Oscillator with Transmit Up-converter
· Prescaler for Main Synthesiser
· Part of the ACE Integrated Cellular Phone Chipset
· Small Outline 28 pin Package



Application

· AMPS and TACS Cellular Telephone
· Two-Way Radio Systems



Pinout

  Connection Diagram


Specifications

Supply voltage ...........................................6V
Storage temperature...... - 65°C to + 150°C
Operating temperature .....- 30°C to + 85°C
Voltage at any pin ............-0.3V to VCC +0.3V
Static Sensitivity (HBM) min ....................500V



Description

ACE9020 is a VHF oscillator, up-converter and prescaler.It is used in an offset modulated transmit architecture where a UHF synthesiser makes the channel selection and a second synthesiser generates a fixed transmit offset.

A VCO signal drives a buffer in ACE9020 to feed an onchip prescaler and transmit up-converter. The prescaler is a dual two-modulus divider and drives the main synthesiser input of the ACE9030. The SSB up-converter suppresses the unwanted transmit sideband.

The VHF oscillator ACE9020 is buffered to drive the auxiliary synthesiser input of the ACE9030 and is locked to the offset frequency. This frequency is modulated by varying the resonant frequency of the external tank circuit. Both this oscillator and the UHF VCO drive the up-converting mixer to generate the transmit signal.

Various power saving modes for battery economy are included. These allow the transmit sections to be shut down during stand-by and the whole chip can be shut down during sleep mode. The circuit techniques used have been chosen to minimise external components and at the same time give very high performance.




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