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PDF HMC-MDB218 Data sheet ( Hoja de datos )
| Número de pieza | HMC-MDB218 | |
| Descripción | GaAs MMIC SUB-HARMONIC IRM MIXER | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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v01.0209
Typical Applications
This HMC-MDB218 is ideal for:
• Short-Haul / High Capacity Radios
• SATCOM
3 • Military Radar, ECM & EW
• Sensors
• Test & Measurement Equipment
Functional Diagram
HMC-MDB218
GaAs MMIC SUB-HARMONIC
IRM MIXER, 54 - 64 GHz
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
General Description
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.
3 - 178
Electrical Specifications*, TA = 25 °C, IF = 1 GHz, LO = +10 dBm
Parameter
Min.
Typ.
Frequency Range, RF
54 - 64
Frequency Range, LO
27 - 32
Frequency Range, IF
DC - 3
Conversion Loss
12.5
1 dB Compression (Input)
-2
Image Rejection
30
LO to RF Isolation
30
LO to IF Isolation
30
IP3 (Input)
7
Amplitude Balance
0.3
Phase Balance
1
* Unless otherwise indicated, all measurements are from probed die
Max.
14
Units
GHz
GHz
GHz
dB
dBm
dB
dB
dB
dBm
dB
Deg
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1 page  
v01.0209
HMC-MDB218
GaAs MMIC SUB-HARMONIC
IRM MIXER, 54 - 64 GHz
Application Circuits
Application circuit 1 shows the mixer equivalent circuit. Application Circuit 2 depicts the mixer with a 90°hybrid used to
achieve signal image rejection. All RF parameters are specified with an ideal 90° hybrid on IF output ports. Conversion
loss is measured (on wafer) at IF1 and/or IF2 (Application Circuit 1) with the second IF port terminated into 50 ohms.
Three dB is then added to compensate for an ideal hybrid. The IP3 is stated as an input IP3 number and is obtained
via a two-tone measurement.
Application Circuit 1
3
Application Circuit 2
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3 - 181
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HMC-MDB218.PDF ] | |
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