About us

HCD Research Ltd

Established in 1961, HCD Research Ltd is a family owned private company now under the management of the second generation. For 51 years, the company has been based in Burgess Hill, West Sussex (United Kingdom), about 50 miles south of London and within 15 miles of Gatwick Airport.

Golledge Electronics Ltd, well known as one of the most comprehensive sources of frequency control products, have been appointed the primary distributor for HCD oscillators worldwide. Enquiries for new customer sales will be handled by Golledge Electronics and their specialist customer support team who will at all times have the backing of the HCD design engineers.


Products

10MHz OCXO

10MHz OCXO

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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HCD Oscillators

HCD Oscillators

HCD specialises in the design, development and manufacture of high stability Oven Controlled Crystal Oscillators (OCXOs), Frequency Monitoring Equ...

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HCD ranges of OCXOs

HCD ranges of OCXOs

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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low noise Oscillators

low noise Oscillators

low noise Oscillators: HCMOS / TTL compatible output Low profile package Single supply version of HCD181 12V supply standard, 10 ~ 30V optional. Custo...

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OCXO 20MHz

OCXO 20MHz

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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Oscillators

Oscillators

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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Oscillators

Oscillators

High performance oven control oscillators from 10-100MHZ.

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Oven Controlled Crystal Oscillators Design Services

Oven Controlled Crystal Oscillators Design Services

HCD specialises in the design, development and manufacture of high stability Oven Controlled Crystal Oscillators (OCXOs), Frequency Monitoring Equipme...

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OCXO

OCXO

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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20MHz

20MHz

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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100MHz OCXO

100MHz OCXO

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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100MHz

100MHz

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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10MHz

10MHz

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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50MHz OCXO

50MHz OCXO

The HCD ranges of OCXOs are recognised throughout the world for quality and performance. They are used extensively in radio communications, satellite...

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HCD180 Oscillators

HCD180 Oscillators

HCMOS / TTL compatible output Low profile package Separate oven & oscillator supplies Custom options available High performance version of HCD81.

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HCD181 Oscillators

HCD181 Oscillators

HCMOS / TTL compatible output Low profile package. Separate oven & oscillator supplies. Custom options available

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HCD210 OCXO Sine Output

HCD210 OCXO Sine Output

Chassis mounted OCXO with a broad selection of output connections and specifications available.

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HCD220 Oscillators

HCD220 Oscillators

Temperature stability down to 1ppb Twin RF outputs available Oven alarm option on D9 connector Custom options available

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HCD225 OCXO Sine Output with fast warm-up

HCD225 OCXO Sine Output with fast warm-up

Similar in specification to the HCD220, this OCXO uses different thermal design and will draw more power initially to allow thermal stability to be ac...

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HCD301 Oscillators

HCD301 Oscillators

Similar in design to the HCD300 but offering a CMOS output.

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HCD310 OCXO Sine Output Low profile

HCD310 OCXO Sine Output Low profile

Temperature stability down to 50ppb Single 12V supply (15V or 18V optional) Low profile compact package Standard European IEC CO-08 pin-out Custom opt...

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HCD311 Oscillators

HCD311 Oscillators

Temperature stability down to 50ppb Low profile compact package Single oven & oscillator supply 12V supply standard, 15V or 18V optional Standard Euro...

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HCD332 Oscillators

HCD332 Oscillators

Temperature stability down to 20ppb Single 5V oven & oscillator supply Low height compact package Standard European IEC CO-08 pin-out Custom options ...

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HCD350 Oscillators

HCD350 Oscillators

Similar in specification and dimensions to the HCD360 but with a 5V supply.

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HCD351 5V OCXO CMOS Output

HCD351 5V OCXO CMOS Output

Similar in specification and dimensions to the HCD361 but with a 5V supply.

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HCD360 OCXO Sine Output

HCD360 OCXO Sine Output

The HCD360 is a sine output OCXO with a daily ageing rate of up to 0.2 parts per billion (2 x 10^-9).

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HCD361 Oscillators

HCD361 Oscillators

The HCD361 is a HCMOS output OCXO with a daily ageing rate of up to 0.2 parts per billion (2 x 10^-9).

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HCD366 Oscillators

HCD366 Oscillators

The HCD366 is a fast warm-up version of the HCD361 OCXO with HCMOS output.

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HCD370 oscillators

HCD370 oscillators

The HCD370 is similar in specification to the HCD360 but in a low profile packaging, measuring only 16mm compared to the HCD360 at 19.4mm.

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HCD371 Oscillators

HCD371 Oscillators

The HCD371 is similar in specification to the HCD361 but in a low profile packaging, measuring only 16mm compared to the HCD361 at 19.4mm.

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Contact Us

HCD Research Ltd

  • 179 Junction Road
  • Burgess Hill
  • West Sussex
  • RH15 0JW

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