HMC-MDB218
v00.0907
GaAs MMIC SUB-HARMONIC
IRM MIXER, 54 - 64 GHz
Typical Applications
Features
Wide IF Bandwidth: DC - 3 GHz
RF Frequency: 54 to 64 GHz
LO Frequency: 27 to 32 GHz
High Image Rejection: 30 dB
Passive; No DC Bias Required
Die Size: 1.54 x 1.41 x 0.1 mm
This HMC-MDB218 is ideal for:
• Short-Haul / High Capacity Radios
• SATCOM
• Military Radar, ECM & EW
• Sensors
• Test & Measurement Equipment
General Description
Functional Diagram
The HMC-MDB218 is a sub-harmonically pumped (x2)
MMIC Mixer which can be used as either an image
reject mixer (IRM) or a single sideband upconverter.
This passive MMIC mixer is fabricated with GaAs
Heterojunction Bipolar Transistor (HBT) Shottky diode
technology. For downconversion applications, an
external quadrature hybrid can be used to select the
desired sideband while rejecting image signals. All
bond pads and the die backside are Ti/Au metallized
and the Shottky devices are fully passivated for reliable
operation. The HMC-MDB218 Sub Harmonic IRM is
compatible with conventional die attach methods,
as well as thermocompression and thermosonic
wire bonding, making it ideal for MCM and hybrid
microcircuit applications. All data shown herein is
measured with the chip in a 50 Ohm environment and
contacted with RF probes.
Electrical Specifications*, TA = 25 °C, IF = 1 GHz, LO = +10 dBm
Parameter
Min.
Typ.
54 - 64
27 - 32
DC - 3
12.5
-2
Max.
Units
GHz
GHz
GHz
dB
Frequency Range, RF
Frequency Range, LO
Frequency Range, IF
Conversion Loss
14
1 dB Compression (Input)
dBm
dB
Image Rejection
30
LO to RF Isolation
30
dB
LO to IF Isolation
30
dB
IP3 (Input)
7
dBm
dB
Amplitude Balance
0.3
Phase Balance
1
Deg
* Unless otherwise indicated, all measurements are from probed die
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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