Info

rma

tion

• Established 1973

• Privately owned Ltd company

• Business: Design and manufacture of military and

commercial antennas

• Highly qualified personnel

• ISO 9001:2008

Company Profile

Q-par Angus Ltd Baron Cross Laboratories, Leominster, Herefordshire, HR6 8RS United Kingdom Tel: +44 (0)1568 612138 Fax: +44 (0)1568 616373 Email: sales@q-par.com Website: www.q-par.com

UK location

Key personnel

Managing Director / Microwave Engineer - Richard Holliday PhD., C.Eng., FIET, MIEEE. Director and Company Secretary - Jennifer Holliday BA., CPhys., MInstP. General Manager - John Coad BSc CEng CPhys FInstP Chief Engineer (Electronics and Systems) - Kenneth Goodman B.Eng.(Hons),C.Eng, MIET Principal Scientist - Andrew Mackay Ph.D, BSc Senior Microwave Engineer - Simon Davies BSc, C Eng, MIET. Sales and Marketing Manager - Robert Lowther MA, DipM, MCIM, Chartered Marketer Microwave Engineer - Paul Klasmann PhD, BSc, M.Eng (Hons), MIEEE. Microwave Engineer - Janette Morgan B.Eng. (Hons), MIET. Microwave Engineer - Julian Robbins B.Eng. (Hons), I.Eng, MIET.

Market application areas

• Military

Electronic warfare

Radar

Elint

EMC

• Commercial

Broadcast

Industrial

Environmental

Medical

EMC

• UWB and WB Antenna Design and Manufacture

• Antenna Systems and positioners

• Research, Development and Consultancy

• Reflectors and feeds

• Elint systems

• Radar and antenna refurbishment

• Waveguide RF distribution systems

• Microwave and Millimeterwave components

Company offering

• Modern Premises

• Microwave Design Software

• Mechanical Design facilities

• Engineering Workshop

• Electronics Laboratory

• Extensive Test Facilities:

• Outdoor Pattern Ranges

• Anechoic Chamber

Company Facilities

Test Chamber

Ridge Waveguide to Coaxial Transition

Electric Field Plot Showing Resonance at 18 GHz

Resonance

Computer simulation

Filter Design

Our product offerings and applications….

UWB and WB Antenna Design and Manufacture

• Horn antennas: 0.1 to >140 GHz

• Spiral antennas: 0.5 – 42 GHz

• Sinuous antennas: 0.2 – 18 GHz

• Omni-directional antennas: 0.9 – 42.5 GHz

• Helical antennas: 0.24 – 6 GHz

• Log periodic dipole antennas: 0.3 – 19 GHz

• EMC and HiRF antennas: 0.5 – 18 GHz

0.5 – 18 GHz Spiral

0.8 – 40 GHz Omni

High power wideband horns Wideband horns: 2 to 40

GHz multi-octave

2 – 18 GHz wideband horn

2 – 8 GHz wideband horn

18 – 40 GHz wideband horn

8 – 18GHz 2 kW c.w.

1 – 8 GHz 1.5 kW c.w.

4 – 8 GHz 2 kW c.w.

High Power EMC Test System

Interchangeable Horns include:-

400 MHz – 1 GHz Horn 2 – 3 GHz Lens Horn 3 – 4 GHz Lens Horn 4 – 6 GHz Lens Horn 6 – 8 GHz Lens Horn 12 – 18 GHz Regular Horn

Sub System Solution

Array of Horns Lens Horns Extended gain horns

Frequency

Amplifiers

Simplicity of Use Example: 1.5 – 2.6 GHz array

Declination adjustment

Polarisation control

Focus setting

Height adjustment

Spiral antennas

0.5 – 18 GHz CP LHCP and RHCP

2 – 18 GHz LHCP and RHCP

18 – 42 GHz CP

Sinuous antennas

2 – 18 GHz with and without radome Dual CP or LP

0.2 – 2 GHz Dual CP or LP

0.7 – 4 GHz Dual CP or LP

Omni-directional antennas

0.8 – 40 GHz UWB

40.5 – 42.5 GHz

2 - 18 GHz slant polarised

0.9 – 20 GHz

Antenna Systems and positioners

0.5 to 35 GHz in 5 antennas complete with Az/El positioner and polarisation switching

2 – 6 GHz Tx 2 – 18 GHz Rx 6 – 18 GHz Tx

Research, Development and Consultancy

• Survey of actual radiation hazards and prediction radiation levels.

• Advice on narrow and ultra-broad-band microwave antennas

• Materials Analysis and Measurement. (Microwave windows,

radomes and structural components etc)

• Depth Measurement (The measurement of depth within containers of

corrosive liquids, grain etc)

• Moisture Content. (Measuring on-line moisture content of various

commercial products, such as soap).

Frequency Selective Surfaces (FSS) for defence and civil

applications

• Design of antennas, metamaterials, radomes and radar

absorbent materials

• FSS consultancy and custom FSS products

• Q-par Dichroic Array Software ; analysis of transmission,

reflection and grating lobe properties of composite

structures including FSS

Reflectors and feeds

• Precision parabolic antennas and feeds:

– includes linear, circular polarisation (CP) and dual polar waveguide feeds

– prime focus, offset, solid & split parabolic reflector & profiled antennas, covering 0.1 - 3 m and 1 - 40 GHz

Reflector products

3.7m C band antenna

Sectionalised reflectors

ELINT Systems

Standard 2 – 18 GHz Reflector & Horn

0.5 – 18 GHz

0.7m Reflector

1 – 18 GHz

Example GUI control

running Windows /

Linux

• Standard design up to 200 rpm

Control capable of continuous rotation,

sector scan, stare and nudge

Radar and antenna refurbishment

• Antenna system refurbishment

• X band

Waveguide RF distribution systems

EMMA accelerator ring

1.3 GHz wave guide distribution system and associated phase shifters

Waveguide RF distribution systems: S & L band

• Waveguide runs WG5Q and WG9Q

• E and H bends

• Waveguide flanges transition to WR650 and WR284

• Hybrid couplers

• Phase shifters

• Amplitude adjusters

• Forward reverse power monitor couplers

W 5Q and W 9Q advantages

• Operates further away from the cut off frequency

• Better phase stability with both frequency and mechanical changes

• Based on an extruded rectangular hollow section

• Greater wall thickness less distortion and tensile stresses when

pressurised

• Withstands higher pressures

• Withstand higher peak powers

WR 650: 1 Bar internal pressure

WG 5Q: 1 Bar internal pressure

Microwave and Millimeterwave components

94 GHz 3dB Short Slot Hybrid Coupler

• Equal power split with 90

degrees phase difference

• Rugged design

• Small size

• Standard WG27 waveguide

flange

• High level of isolation

Millimetric Horns

• 20 dBi Millimetric Standard Gain Horns - 26.5 GHz to 140 GHz

• 18 - 40 GHz Single Polarised Horn Antenna

• 18 - 40 GHz Dual Polarised Horn Antenna

FMCW radar

Foster scanner antenna 94 GHz FMCW radar

High resolution radar

Radar technology at millimetric/sub-millimetric wavelengths

Skynet 5

Runway Debris Radar

64 way beam forming matrix capable of forming 4 simultaneous beams. Manufacture of which was thought ‘not possible’ by UK MOD

Antenna Simulation Interface Units for Skynet 5a & 5b Satellites

High resolution dual fan beam antenna (94 GHz) capable of detecting very small objects at considerable distance. Rotator is accurate to 14 bits (0.022º).

Maritime FMCW Radar (X-Band)

UAV Antenna

Ship Based Jammer

ALL WEATHER POSITIONER Typical Specification: Movement, Azimuth +/- 190 degrees Movement, Elevation –15 to +90 degrees Movement, Polarisation 360 degrees Velocity, Azimuth 2.3 to 21.4 deg/Sec Velocity, Elevation 2.3 to 21.4 deg/Sec Accuracy 0.02 degrees

Note: Shown with 1.8 M reflector

18-40GHz

0.5-18GHz

WIDEBAND SURVEILLANCE SYSTEM (0.5 – 40 GHz)

• Currently employed by security forces.

• Theatre of Operation includes Iraq.

CALFAC EW CALIBRATION/SIMULATOR

IED/MINE DETECTION VIVALDI ANTENNA

AIRBORNE PODDED RADAR SIMULATOR

Info

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If you have questions or want more information, please contact your local KSA Rep, call (619)858-0770, or email us at Sales@KSA.com Thank You!