ADL5380ACPZ-R7 datasheet(27/36 Pages) AD

部件名	ADL5380ACPZ-R7

功能描述	400 MHz to 6 GHz Quadrature Demodulator

PDF	36 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

标志

27 / 36 page

ADL5380

Rev. 0 | Page 27 of 36

A complete design example is shown in Figure 91. A sixth-order

Butterworth differential filter having a 1.9 MHz corner frequency

interfaces the output of the ADL5380 to that of an ADC input.

The 500 Ω load resistor defines the input impedance of the

ADC. The filter adheres to typical direct conversion W-CDMA

applications where, 1.92 MHz away from the carrier IF frequency,

1 dB of rejection is desired, and, 2.7 MHz away from the carrier IF

frequency, 10 dB of rejection is desired.

Figure 89 and Figure 90 show the measured frequency response

and group delay of the filter.

–20

–15

–10

–5

3.0

2.5

2.0

1.5

1.0

0.5

FREQUENCY (MHz)

900

800

700

600

500

400

300

200

100

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

FREQUENCY (MHz)

Figure 90. Sixth-Order Baseband Filter Group Delay

Figure 89. Sixth-Order Baseband Filter Response

ADL5380ACPZ-R7 数据表(PDF) 27 Page - Analog Devices

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