2.25 GHz to 18 GHz, MMIC,
Double Balanced Downconverter
Data Sheet
HMC1048ALC3B
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Passive: no dc bias required
High input IP3: 20 dBm typical
LO to RF isolation: 25 dB typical
LO to IF isolation: 20 dB typical
RF to IF isolation: 15 dB typical
IF frequency range: dc to 4 GHz
Downconverter applications
3 mm × 3 mm, 12-terminal ceramic leadless chip carrier
package
12 11 10
HMC1048ALC3B
1
2
3
9
8
7
GND
LO
GND
RF
GND
GND
4
5
6
Figure 1.
APPLICATIONS
Ka band transponders
Point to multipoint radios and very small aperture terminal
(VSAT)
Test equipment and sensors
Military end use
GENERAL DESCRIPTION
The HMC1048ALC3B is a general-purpose, monolithic microwave
integrated circuit (MMIC), double balanced mixer that can be used
as a downconverter with dc to 4 GHz at the intermediate frequency
(IF) port and 2.25 GHz to 18 GHz at the radio frequency (RF) port.
The mixer requires no external components or matching circuitry.
The HMC1048ALC3B provides excellent local oscillator (LO) to
RF, LO to IF, and RF to IF isolation. The mixer operates with LO
drive levels from 9 dBm to 17 dBm. The HMC1048ALC3B
eliminates the need for wire bonding and allows the use of surface-
mount manufacturing techniques.
Rev. B
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