3

3 - 74

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Pad Number

Function

Description

Interface Schematic

1RF

This pad is AC coupled and matched to

50 Ohms.

4LO

This pad is AC coupled and matched to

50 Ohms.

2 (5)

IF2

This pad is DC coupled. For applications not requir-

ing operation to DC, this port should be DC blocked

externally using a series capacitor whose value has

been chosen to pass the necessary IF frequency

range. For operation to DC, this pad must not source/

sink more than 3mA of current or die non-function

and possible die failure will result. Pads 5 and 6 are

alternate IF ports.

3 (6)

IF1

GND

The backside of the die must be connected

to RF/DC ground.

Pad Descriptions

Assembly Diagrams

HMC521

v01.1007

GaAs MMIC I/Q MIXER

8.5 - 13.5 GHz