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10

10 - 39

Gain and Phase control are applied through the I and Q control ports. For a given linear gain (G) and phase (

) setting, the

voltages applied to these ports in all measurements are calculated as follows:

Where Vmi and Vmq are the I and Q voltage settings corresponding to maximum isolation at room temperature and F = 2 GHz.

and y =

. Nominally Vmi = Vmq = 1.5V, Gmax = 0.316.

IG

Vmi

V

G

G

Cos

(, )

.

max

()

θθ

=+ 10

QG

Vmq

V

G

G

Sin

(, )

.

max

()

θθ

=+ 10

Gain Setting dB

()

20

Max Gain Setting dB

()

20

Application Circuit

* Pins 15 & 16 are redundant I & Q inputs.

HMC500LP3 / 500LP3E

v02.1109

GaAs HBT VECTOR

MODULATOR 1.8 - 2.2 GHz