F1958 Datasheet PDF (7-Bit 0.25dB Digital Step Attenuator)

F1958 - 7-Bit 0.25dB Digital Step Attenuator

Description

The F1958 is part of the Renesas Glitch-FreeTM family of DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other applications.

Features

Serial and 7-bit parallel interface.
31.75dB range.
0.25dB steps.
Glitch-FreeTM: low transient overshoot.
500ns settling time for 0.25dB steps.
Ultra linear > 63dBm IIP3.
Low insertion loss < 1.7dB at 4GHz.
Attenuation error < ±0.2dB at 4GHz.
Bi-directional RF use.
3.3V or 5V supply.
-40°C to +105°C operating temperature.
4 x 4 mm thin 24-QFN package Block Diagram Figure 1. Block Diagram RF1 G l i tc h - Fr e eTM RF2 Bias Decoder.

Datasheet Details

Part number	F1958
Manufacturer	Renesas Electronics
File Size	9.85 MB
Description	7-Bit 0.25dB Digital Step Attenuator
Datasheet	F1958 Datasheet
Additional preview pages of the F1958 datasheet.

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Full PDF Text Transcription

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7-Bit 0.25dB Digital Step Attenuator 1MHz to 6GHz F1958 Datasheet Description The F1958 is part of the Renesas Glitch-FreeTM family of DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other applications. This device is offered in a compact 4 x 4 mm 24-pin package with 50Ω input and output impedance for ease of integration into the radio or RF system. The F1958 offers very high reliability due to its construction from a monolithic silicon die in a QFN package. The insertion loss is very low with minimal distortion. Additionally, the device is designed to have extremely accurate attenuation levels. These accurate attenuation levels improve system SNR and/or ACLR by ensuring system gain is as close to the targeted level as possible.

Published: Apr 28, 2023 |