Custom Solutions

Epoch provides custom solutions to meet each customer’s specific requirements, be it a complete custom IC, sub-system, or IP block. Through 20-years in the business, Epoch has accumulated a rich library of silicon proven schematic level IPs from which our engineering team can fine-tune to customer’s desired technology and target specifications in order to achieve 1st pass silicon success.

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Recent Success Stories

ADPLL for Automotive Radar Transceiver

Automotive Radar Transceiver

Analog PLL for Automotive Radar

Beam Steering Transceiver

TV Tuner

ADPLL for GSM/WCDMA Transceiver

ITS Transceiver

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IP Library

ADPLL for Automotive Radar Transceiver

SUCCESS STORY

Epoch successfully completed development of phase lock loop with digital phase detector and digital loop filter for Epoch customer.

This was achieved thanks to extensive use Epoch silicon proven bulding level silicon IPs. For this project the digital phase detector, loop filter, and digital to analog converter were custom designed.

FEATURES

Fractional-N PLL with time-to-digital based phase detector and VCO auto-band calibration.

Internal programmable modulations for automotive radar Implements delta-sigma noise cancellation and 2-point modulation integrated bandgap reference, and voltage regulators.

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Automotive Radar Transceiver

SUCCESS STORY

Epoch successfully completed porting of 2x2 automotive radar transceiver to alternative silicon process.

Epoch ported customer developed LNA/MIXER/IFPGA and ported Epoch developed bandgap reference, LDOs, automotive-radar PLL, frequency doubler and PA.

FEATURES

LNA + down-conversion mixers (2x RX).

Power amplifiers (2x TX).

Fractional-N PLL with integrated modulation for automotive radar.

Integrated bandgap reference, and voltage regulators.

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Analog PLL for Automotive Radar

SUCCESS STORY

Epoch has achieved 1st pass functional success with the analog phase lock loop for application in automotive radar.

This was achieved thanks to heavy use of Epoch's silicon proven schematic IP. VCO and dividers were customized to the automotive radar Frequency range of operation and only the ramp generator was custom designed.

FEATURES

Fractional-N PLL with analog phase detector, analog loop filter, and auto-band VCO calibration.

Internal programmable modulations for automotive radar.

Integrated bandgap reference, and voltage regulators.

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Beam Steering Transceiver

SUCCESS STORY

Epoch customer achieved 1st pass silicon success during development of beam steering transceiver. This was made possible by heavy use of Epoch's building block IPs; such as bandgap references, LDOs, and many of the PLL related building blocks. Phase interpolators, and RX/TX chains were custom designed.

FEATURES

LNA + down-conversion mixer (4x RX).

Up-conversion mixer + PA-driver (4x TX).

7-bit PGAs (4x RX, 4x TX).

9-bit phase interpolators (4x RX, 4x TX).

Integer-N PLL with auto-band calibration, analog frequency acquisition assist loop, and precision phase control loop.

Bandgap reference for on-chip LDOs, constant-TC and PTAT current references.

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ITS Transceiver

SUCCESS STORY

Epoch has achieved 1st pass silicon success during development of ITS transceiver for V2V/V2X automotive communications.

Digital baseband was supplied by the customer and Epoch developed the RF transceiver, and performed top integration of the SOC.

To achieve success, we reused IP building blocks such as PLL, bandgap references, LDOs, frequency dividers, lowpass filters and programmable gain amplifiers. Building blocks were ported and tuned to target operating frequencies.

FEATURES

Direct down conversion receiver with DC offset calibration.

Direct up conversion transmitter with AM detector for LO-leakage, sideband suppression, image rejection calibration thru loopback mode.

Programmable fractional-N/integer-N mode frequency synthesizer with VCO auto-band calibration.

10-bit 35MHz DACs/ADCs.

RC-calibrated channel selection and reconstruction filters.

Temperature sensor for baseband.

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TV Tuner

SUCCESS STORY

Epoch achieved 1st pass silicon functionality for the customer developing TV tuner IC thanks in part to heavy use of Epoch's building block IPs such as bandgap references, amplifiers, and oscillators. Most of the receive chain was custom designed for the application.

FEATURES

Complete low-IF RF CMOS receiver.

On-chip RF AGC and basenband PGA for baseband AGC control.

Programmable baseband amplitude and phase mismatch adjust for image compensation.

Programmable LPF corner frequency.

Programmable fractional-N/integer-N mode frequency synthesizer.

Integrated crystal oscillator with programmable divided output clock.

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ADPLL for GSM/WCDMA Transceiver

SUCCESS STORY

Epoch has implemented a custom phase lock loop solution for customer's transceiver IC by contributing Epoch's silicon IP for blocks such as the low noise bandgap reference, voltage regulators,

FEATURES

All digital fractional-N frequency synthesizer with GSM (3.2GHz - 4.3GHz) and WCDMA (3.3GHz - 4.5GHz) 8-bit coarse / 10-bit fine / 3-bit very fine digital controlled oscillators.

Integrated 1.2v/2.5V low dropout regulators to accommodate external 2.8V supply.

Time to digital converter based digtal phase detector.

Programmable response digital lowpass filter.

1GHz pipelined mash sigma delta modulator for very fine control of DCO.

5GHz multi-modulus divider.

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