HMC904LC5 Datasheet, PDF (11/12 Pages) Hittite Microwave Corporation – GaAs MMIC I/Q DOWNCONVERTER 17 - 24 GHz

v01.0810
HMC904LC5
GaAs MMIC I/Q DOWNCONVERTER
17 - 24 GHz
9
Pin Descriptions
Pin Number
Function
Description
1
VDLO
Power supply for first stage of LO amplifier.
2, 4 - 6, 8, 9,
12 - 18, 21, 22,
N/C
25 - 28, 31, 32
The pins are not connected internally; however, all data
shown herein was measured with these pins connected
to RF/DC ground externally.
3
VDLO2
Power supply for second stage of LO amplifier.
7
10, 19, 24, 29
11
20
23
30
VDRF
GND
RF
IF2
IF1
LO
Power supply for RF LNA.
These pins and the exposed 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.
Typical Application Circuit
Interface Schematic
9 - 11
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