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ADL5370-EVALZ

300 MHz to 1000 MHz Quadrature Modulator

Analog Devices 

ADL5370

EVALUATION BOARD

Populated RoHS-compliant evaluation boards are available for

evaluation of the ADL5370. The ADL5370 package has an

exposed paddle on the underside. This exposed paddle must

be soldered to the board (see the Power Supply and Grounding

discussion in the Basic Connections section). The evaluation

board is designed without any components on the underside

so heat can be applied to the underside for easy removal and

replacement of the ADL5370.

QBBP

QBBN IBBN

IBBP

RFPQ

0Ω

RFNQ

0Ω

CFNQ CFNI

OPEN OPEN

RFNI

0Ω

RFPI

0Ω

CFPQ

OPEN

RTQ

OPEN

RTI

OPEN

CFPI

OPEN

COM1 1

COM1 2

VPS1 3

VPS1 4

VPS1 5

VPS1

6

C12

0.1µF

Z1

ADL5370

EXPOSED PADDLE

C16

0.1µF

L12

0Ω

C15

0.1µF

18 VPS5

17 VPS4

16 VPS3

15 VPS2

L11

0Ω

C14

0.1µF

14 VPS2

13

VOUT

C13

0.1µF

COUT

100pF

C11

OPEN

VOUT

Figure 37. Evaluation Board Layout, Top Layer.

GND

CLOP

100pF

LO

CLON

100pF

Figure 36. ADL5370 Evaluation Board Schematic

Table 8. Evaluation Board Configuration Options

Component

Description

VPOS, GND

Power Supply and Ground Clip Leads.

RFPI, RFNI, RFPQ, RFNQ, CFPI,

CFNI, CFPQ, CFNQ, RTQ, RTI

Baseband Input Filters. These components can be used

to implement a low-pass filter for the baseband signals.

See the Filtering discussion in the Applications

Information section.

Default Condition

Not applicable

RFNQ, RFPQ, RFNI, RFPI = 0 Ω (0402)

CFNQ, CFPQ, CFNI, CFPI = Open (0402)

RTQ, RTI = Open (0402)

Rev. 0 | Page 16 of 20

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