HMC571LC5_09 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – GaAs MMIC I/Q DOWNCONVERTER 21 - 25 GHz

v07.0809
HMC571LC5
GaAs MMIC I/Q DOWNCONVERTER
21 - 25 GHz
8
Pin Descriptions
Pin Number
Function
1
VddLO
2, 4 - 6, 8, 9,
12 - 18, 21, 22,
N/C
25 - 28, 31, 32
3
VddLO2
Description
Power supply for first stage of LO amplifier.
No connection required. These pins may be connected
to RF/DC ground without affecting performance.
Power supply for second stage of LO amplifier.
7
10, 19, 24, 29
11
20
23
30
VddRF
GND
RF
IF2
IF1
LO
Power supply for RF LNA.
These pins and ground paddle must be connected to
RF/DC ground.
This pin is AC coupled
and matched to 50 Ohms.
This pin 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 frequency range.
For operation to DC, this pin must not sink / source more
than 3 mA of current or part non-function and possible
failure will result.
This pin is AC coupled
and matched to 50 Ohms.
Interface Schematic
Typical Application
8 - 176
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