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F1975 Datasheet

Part Number F1975
Manufacturers IDT
Logo IDT
Description Digital Step Attenuator
Datasheet F1975 DatasheetF1975 Datasheet (PDF)

6-Bit, 75Ω Digital Step Attenuator 5MHz to 3GHz F1975 Datasheet Description The F1975 Digital Step Attenuator (DSA) is a product in IDT’s Glitch-FreeTM DSA Family, which is optimized for the demanding requirements of CATV and satellite systems. It operates in the frequency range of 5MHz to 3000MHz. This device is offered in a compact 4mm  4mm, 20-pin Thin QFN package with a 75Ω impedance for ease of integration. Advantages Digital step attenuators are used in receivers and transmitters to pro.

  F1975   F1975






Part Number F1978
Manufacturers Renesas
Logo Renesas
Description Digital Step Attenuator
Datasheet F1975 DatasheetF1978 Datasheet (PDF)

6-Bit, 75Ω Digital Step Attenuator 5MHz to 3GHz F1978 Datasheet Description The F1978 Digital Step Attenuator (DSA) is a product in IDT’s Glitch-FreeTM DSA Family, which is optimized for the demanding requirements of CATV and satellite systems. It operates in the frequency range of 5MHz to 3000MHz. This device is offered in a compact 4mm  4mm, 20-pin Thin QFN package with a 75Ω impedance for ease of integration. The F1978 DSA has RF performance identical to the F1975 Digital Step Attenuator. .

  F1975   F1975







Part Number F1978
Manufacturers IDT
Logo IDT
Description Digital Step Attenuator
Datasheet F1975 DatasheetF1978 Datasheet (PDF)

6-Bit, 75Ω Digital Step Attenuator 5MHz to 3GHz F1978 Datasheet Description The F1978 Digital Step Attenuator (DSA) is a product in IDT’s Glitch-FreeTM DSA Family, which is optimized for the demanding requirements of CATV and satellite systems. It operates in the frequency range of 5MHz to 3000MHz. This device is offered in a compact 4mm  4mm, 20-pin Thin QFN package with a 75Ω impedance for ease of integration. The F1978 DSA has RF performance identical to the F1975 Digital Step Attenuator. .

  F1975   F1975







Part Number F1977
Manufacturers IDT
Logo IDT
Description Digital Step Attenuator
Datasheet F1975 DatasheetF1977 Datasheet (PDF)

7-Bit, 75 Ω, Digital Step Attenuator GENERAL DESCRIPTION This document describes the specification for the F1977 Digital Step Attenuator. The F1977 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of CATV and Satellite systems. These devices are offered in a compact 5 mm x 5 mm 32 pin QFN package with 75 Ω impedances for ease of integration. COMPETITIVE ADVANTAGE Digital step attenuators are used in Receivers and Transmitters to provide gain control. The F1977 i.

  F1975   F1975







Digital Step Attenuator

6-Bit, 75Ω Digital Step Attenuator 5MHz to 3GHz F1975 Datasheet Description The F1975 Digital Step Attenuator (DSA) is a product in IDT’s Glitch-FreeTM DSA Family, which is optimized for the demanding requirements of CATV and satellite systems. It operates in the frequency range of 5MHz to 3000MHz. This device is offered in a compact 4mm  4mm, 20-pin Thin QFN package with a 75Ω impedance for ease of integration. Advantages Digital step attenuators are used in receivers and transmitters to provide gain control. The F1975 is a 6-bit step attenuator optimized for these demanding applications. The silicon design has very low insertion loss and low distortion (+64dBm IIP3). The device has pinpoint attenuation accuracy. Most importantly, the F1975 includes IDT’s Glitch-FreeTM technology, which results in low overshoot and ringing during most significant bit (MSB) transitions.  Glitch-FreeTM technology protects the power amplifier or analog-to-digital converter (ADC) from damag.


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