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Phone: 978-250-3343

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4

4 - 7

HMC905LP3E

v00.0310

6 GHz LOW NOISE PROGRAMMABLE

DIVIDER (N = 1 to 4)

Pin Description

Pin number

Function

Description

interface schematic

1

vcc

+3.3v voltage supply

2

rFinP

rF Positive input.

input is Dc coupled, external Dc blocks required.

3

rFinn

rF negative input.

input is Dc coupled, external Dc blocks required.

4

GnD

this pin must be connected to rF/Dc ground.

5

B0

Division ratio (LsB)

see programming truth table.

6

B1

Division ratio (MsB)

see programming truth table.

7

ctrL

Divider output Buffer Power control

13

BiAs1

Divider core Bias control

14

BiAs0

Divider core Bias control

15

en

chip enable

8, 9, 12, 16

n/c

no connection required. this pin may be

connected to ground, without affecting performance.