10

10 - 19

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Pin Number

Function

Description

Interface Schematic

13

Vcc1

Supply voltage for the mixer and output stages.

Set to 3.3V for nominal operation. The nominal

current for this port is 37 mA.

14, 15

Ip, In

Differential In-Phase baseband input. These are high

impedance ports. The nominal recommended bias voltage

is between 1.0 - 1.15V.The nominal recommened baseband

input voltage is 800 mV peak to peak differential. By

adjusting the DC bias voltage on ports In & Ip, the Carrier

Suppression of the device can be optimized for a specific

frequency band and LO power level. The typical offset

voltage for optimization is less than 5 mV.

The amplitude and phase difference between the I and Q

inputs can be adjusted in order to optimize the Sideband

Suppression for a specific frequency band

and LO power level.

16

Vcc2

Supply voltage for the LO stage. Set to 3.3V for nominal

operation. The nominal current for this port is 64 mA.

SiGe WIDEBAND DIRECT

MODULATOR RFIC, 250 - 3800 MHz

v02.0705