HMC292
v06.1007
GaAs MMIC DOUBLE-BALANCED MIXER, 18 - 32 GHz
Typical Applications
The HMC292 is ideal for: • Microwave Point-to-Point Radios • LMDS • SATCOM
Features
Input IP3: +19 dBm LO / RF Isolation: 38 dB Passive: No DC Bias Required Small Size: 1.04 x 0.58 x 0.1 mm
4
MIXERS - DOUBLE-BALANCED - CHIP
Functional Diagram General Description
The HMC292 chip is a miniature passive GaAs MMIC double-balanced mixer which can be used as an upconverter or downconverter from 18 - 32 GHz in a small chip area of 0.66 mm2. Excellent isolations are provided by on-chip baluns, which require no external components and no DC bias. All data is measured with the chip in a 50 ohm test fixture connected via 0.076 mm (3 mil) ribbon bonds of minimal length 110 86 >110 2 3 4
13
0 1 2
P1dB
11
-55C +25C +85C
9
3 4
7
RF = 21 GHz @ -10 dBm LO = 22 GHz @ +13 dBm All values in dBc below the IF power level.
15 20 25 FREQUENCY (GHz) 30 35
5
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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
HMC292
v06.1007
GaAs MMIC DOUBLE-BALANCED MIXER, 18 - 32 GHz
Absolute Maximum Ratings
RF / IF Input LO Drive Channel Temperature Continuous Pdiss (T=85 °C) (derate 4 mW/°C above 85 °C) Thermal Resistance (RTH) (junction to die bottom) Storage Temperature Operating Temperature ESD Sensitivity (HBM) +13 dBm +27 dBm 150 °C 260 mW 250 °C/W -65 to +150 °C -55 to +85 °C Class 1C
ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS
4
MIXERS - DOUBLE-BALANCED - CHIP
NOTES: 1. ALL DIMENSIONS ARE IN INCHES [MM]. 2. DIE THICKNESS IS .004”. 3. TYPICAL BOND PAD IS .004” SQUARE. 4. BACKSIDE METALLIZATION: GOLD. 5. BOND PAD METALLIZATION: GOLD. 6. BACKSIDE METAL IS GROUND. 7. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS.
Outline Drawing
Die Packaging Information [1]
Standard GP-5 (Gel Pack) Alternate [2]
[1] Refer to the “Packaging Information” section for die packaging dimensions. [2] For alternate packaging information contact Hittite Microwave Corporation.
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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HMC292
v06.1007
GaAs MMIC DOUBLE-BALANCED MIXER, 18 - 32 GHz
Pad Descriptions
Pad Number Function Description Interface Schematic
1
LO
This pin is DC coupled and matched to 50 Ohms.
4
2 RF This pin is DC coupled and matched to 50 Ohms.
MIXERS - DOUBLE-BALANCED - CHIP
3
IF
This pin is DC coupled. For applications not requiring operation to DC, this port should be DC blocked externally using a series capacitor whose value has been chosen to pass the necessary IF frequency range. For operation to DC, this pin must not source/ sink more than 2 mA of current or die non-function and possible die failure will result.
Die Bottom
GND
Die bottom must be connected to RF/DC ground.
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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
HMC292
v06.1007
GaAs MMIC DOUBLE-BALANCED MIXER, 18 - 32 GHz
Mounting & Bonding Techniques for Millimeterwave GaAs MMICs
The die should be attached directly to the ground plane eutectically or with conductive epoxy (see HMC general Handling, Mounting, Bonding Note). 50 Ohm Microstrip transmission lines on 0.127mm (5 mil) thick alumina thin film substrates are recommended for bringing RF to and from the chip (Figure 1). If 0.254mm (10 mil) thick alumina thin film substrates must be used, the die should be raised 0.150mm (6 mils) so that the surface of the die is coplanar with the surface of the substrate. One way to accomplish this is to attach the 0.102mm (4 mil) thick die to a 0.150mm (6 mil) thick molybdenum heat spreader (moly-tab) which is then attached to the ground plane (Figure 2). Microstrip substrates should be brought as close to the die as possible in order to minimize ribbon bond length. Typical die-to-substrate spacing is 0.076mm (3 mils). Gold ribbon of 0.075 mm (3 mil) width and minimal length
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