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ASC are designers and Manufactureres of RF & Microwave hybrid Amplifiers for the Commercial & Military markets. ASC's thick film hybrids utilise GaAs, Silicon bipolar and MMIC technologies to acheive low to medium power output power in the 300KHz to 6GHz frequency bands. ASC's recent designs take advantage of GaN semiconductor Technology.

ASC offer a multitude of standard parts in all rangesd as well as offering custom specifications.

Low Noise . Wideband . High Power . Low Distortion . General Purpose
                                  CATV  .  GaN  .  High Gain

Custom Thin Film and Hybrid Circuits

Spiral Chip inductors

Chip Attenuators

Laser Diode Substrates

Tantalum Nitride Chip Resistors

Attenuator Design Kits


Power Dividers

Directional Couplers

90°/80° Hybrids

QPSK Modulators

Antenna Beamformers

Should you require further information on any of our Principlals Products or services, please call our sales department
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Ion Beam Milling

    Your RF & Microwave Component Source in ONE Stop

Should you require further information on any of our Principals Products or Services, please do not hestitate to contact our sales and support team for our swift service and support.

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Welcome To SpecTech Limited
  PHASESHIFTERS  (Analogue & Digital) 

SpecTech Limited
98 Medstead Road . Beech . Hampshire . GU34 4AE
Tel : (44) 0 1420 544789
Fax : (44) 0 1420 544788
E-mail : sales@spectechlimited.com

Website : www.spectechlimited.com


ASI manufacture a highly rugged, state-of-the-art VIMOS Transistor with added advantages over GaN, for
L-Band Radar & Avionics applications. Capable of simultaneously withstanding overdrive, Overvoltage and 20:1 VSWR. 400 - 1500 MHz

VIMOS is the worlds best High Power RF Transistor technology designed specifically for pulsed amplifiers. Stable operation not prone to oscillation, Reduced size

Unlike competing technologies, VIMOS technology is specifically designed for pulsed, high power RF amplifiers for Radar & Avionics applications.

VIMOS improves the robustness and RF performance, while reducing field failures, size and weight.

ASI Also manufacture a state-of-the -art line of 960 - 1215MHz pulsed RF pallets which provide a fast, rugged, high performance solution to high power pulsed applications using ASI VIMOS technology.


L-Band RADAR  .  IFF  .  DME  .  TCAS  .  SSR  .  ADS-B  .  Weather RADAR  .  Mode S-ELM

VIMOS HVV1011-600
Extremely Rugged VIMOS Technology.
1030-1090MHz, 750 Watts,
24-50V supply,18dB Gain

VIMOS HVV1011-1000L
Extremely Rugged VIMOS Technology.
1030-1090MHz, 1000 Watts,
24-50V supply, 16dB Gain

VIMOS P1000-1215
50 ohm Pallet, Extremely rugged VIMOS Technology.
960-1215MHz, 950 Watts, 24-50 V supply. 15dB Gain





TEL : 01420 544789