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Attenuators

Aelius Semiconductors provides low loss fixed attenuators upto 40GHz as well as digital attenuators upto 20GHz.It also offers voltage variable attenuator in the frequency range of 0.5-2GHz with an attenuation range of 30dB.

Miniature fixed attenuators of different values ranging from 1dB to 20dB are available in the chip form covering the frequency range of DC-40GHz.

Most of the digital attenuators offered till 20GHz are 6 bit with an attenuation range of 31.5dB & resolution of 0.5dB. All the attenuators not only have low amplitude errors but also has a very good control over the phase with an additional advantage of integrated TTL drivers.

Voltage Variable Attenuators

Part No Description Freq (GHz) Attenuation Range (dB) Insertion Loss (dB) I / O Return Loss (dB) Package Datasheet
ASL 3000 Absorptive 0.5 - 2 30 1.4 15 / 15 Die
ASL 3001P Absorptive 0.5 - 2 30 1.4 16 / 16 Metal

Digital Attenuators

Part No Description Freq (GHz) Step Size (dB) Insertion Loss (dB) I / O Return Loss (dB) Attenuation Accuracy (dB) Phase Variation (Deg) RMS Error (dB) Package Datasheet
ASL 3002 6 Bit 0.5 - 4 0.5 3.5 15 / 15 0.6 8 0.3 Die
ASL 3003 6 Bit 0.5 - 10.5 0.5 4.5 14 / 14 ± 0.75 10 0.35 Die
ASL 3005P6 6 Bit 0.5 - 4 0.5 4 15 / 15 ± 0.4 10 0.2 6x6 QFN
ASL 3007P6 6 Bit 4 - 7 0.5 4.3 12 / 17 ± 0.4 + 4% 10 0.3 6x6 QFN
ASL 3008 6 Bit 12 - 16 0.5 2.8 17 / 17 1.8 0.6 Die
ASL 3009 6 Bit 14.5 - 18.5 0.5 3.2 16 / 17 2.5 0.8 Die
ASL 3011P5 7 Bit 2.8 - 3.8 0.3 4.0 12 / 12 - - 0.2 5X5 QFN
ASL 3012 1 Bit 2 - 5 31.5 1.5 18 / 20 - - - 5X5 QFN
ASL 3013 6 Bit DC - 20 0.5 5 15 / 15 ± 0.3 - 1 Die
ASL 3014 6 Bit DC - 20 0.5 7 12 / 12 ± 0.25 - 0.6 Die