AD8260ACPZ-RL(Rev0) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD8260ACPZ-RL
(Rev.:Rev0)

High Current Driver Amplifier and Digital VGA/Preamplifier with 3 dB Steps

Analog Devices 

AD8260

NETWORK ANALYZER

50Ω

IN

0.1µF

50Ω

AD8260—VGA/PREAMPLIFIER

+

PREAMP

–

100Ω

0.1µF 453Ω

0.1µF 453Ω

100Ω

VMDO

Figure 59. Test Circuit for Frequency Response and Group Delay of the VGA/Preamplifier

NETWORK ANALYZER

WITH S-PARAMETER

CAPABILITY

50Ω

IN

0.1 µ F

AD8260—VGA/

PREAMPLIFIER

+3.3V

+

PREAMP

–

100Ω

–3.3V

100Ω

Figure 60. Test Circuit for Output Resistance of the VGA/Preamplifier

0.1µF

VMDO

AD8260—VGA/PREAMPLIFIER

+

PREAMP

–

VGA

100Ω

0.1µF

1kΩ

0.1µF

1kΩ

AD8129

0.1µF

×10

SPECTRUM

ANALYZER

50Ω

100Ω

VMDO

Figure 61. Test Circuit for Input-Referred and Output-Referred Noise Measurements of the VGA/Preamplifier

Rev. 0 | Page 18 of 32

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