HMC404
v03.0907
GaAs MMIC SUB-HARMONICALLY
PUMPED IRM MIXER, 26 - 33 GHz
Pad Descriptions
Pad Number
Function
Description
This pad is AC coupled and matched
Interface Schematic
1
LO
Vdd
RF
to 50 Ohm.
3
Power supply for the LO Amplifier. An external RF bypass
capacitor of 100 - 330 pF is required. A MIM border capacitor
is recommended. The bond length to the capacitor should be
as short as possible. The ground side of the capacitor should
be connected to the housing ground.
2
3
This pad is AC coupled and matched
to 50 Ohm.
This pin is DC coupled. For applications not requiring opera-
tion 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 pin
must not source/sink more than 3mA of current or die non-
function and possible die failure will result.
4
5
IF2
IF1
This pin is DC coupled. For applications not requiring opera-
tion 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 pin
must not source/sink more than 3mA of current or die non-
function and possible die failure will result.
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