Enhanced Sweeper Input Card with ADC and Power Management Features

DESCRIPTION

This document details the design and features of the enhanced Sweeper Input Card, incorporating a 12-bit ADC (AD7998) for precise signal processing, along with comprehensive power management functionalities. It offers multiple input and output options, including connections for power supply (9-12V), RF input, and several capacitors for noise filtering. The card is designed to operate with a +5V power supply and features multiple components, including resistors and capacitors, ensuring reliable operation. This document includes schematic details and revision notes for reference.

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May 09, 2026

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Enhanced Sweeper Input Card with ADC and Power Management Features

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Sweeper Input Card +5V l l C6 0.1 R410K R510K +5V 2,5 R2 4.7 J1(BNC) Vdd C1 .01 RF In 19 2 SCL l SCL l U2 AD7998 8-ch12-bit ADC l l 5 8 7 6 C4.01 1 18 InH Vdd En SDA SDA U1AD8310 l R152.3 InL Vss Out R6680 1 3 2 4 7 Vin1 6 l l Vref +5V l l l C5 NP R3 0R C3 .01 R71K C2 .01 1,3,4,15, 20 l Tin Shield (grounded) 3 DCout U3uA78M05 +5V 5 1 3 DC Pwr In (9-12V) In Out l l l l C74.7uF C80.1 + C90.1 C101uF Gnd 2 4 GND l l l l P1 Sweeper Input Card G. Heron, N2APB J. Everhart, N2CXRev A1 12/17/2011 Sheet1/1