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MIXERS - DBL-BAL - SMT
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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
HMC168C8
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 4.5 - 8 GHz
General Description
Features
Functional Diagram
Conversion Loss: 8.2 dB
LO to RF and IF Isolation: 34 dB
Surface Mount
Small Size, No DC Bias Required
Electrical Speci cations, TA = +25° C, LO Drive = +10 dBm
Typical Applications
The HMC168C8 is ideal for:
• Microwave Point-to-Point Radios
• 5.8 GHz ISM Band Circuits
The HMC168C8 is a miniature double-balanced mixer
in a non-hermetic ceramic surface mount package
that can be used as an upconverter, downconverter
or biphase modulator. The device is a passive diode/
balun type mixer with high dynamic range. Noise
gure is essentially equal to the conversion loss.
The mixer can handle larger signal levels than most
active mixers due to the high third order intercept.
MMIC implementation provides exceptional balance
in the circuit resulting in high LO/RF and LO/IF
isolations and unit-to-unit consistency. This mixer
has applications where small size and surface mount
compatibility are important.
Parameter Min. Typ. Max. Units
Frequency Range, RF & LO 4.5 - 8.0 GHz
Frequency Range, IF DC - 2 GHz
Conversion Loss 8.2 10 dB
Noise Figure (SSB) 8.2 10 dB
LO to RF Isolation 29 35 dB
LO to IF Isolation 30 34 dB
IP3 (Input) 12 16 dBm
IP2 (Input) 55 62 dBm
1 dB Gain Compression (Input) 7 10 dBm
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MIXERS - DBL-BAL - SMT
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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
-20
-15
-10
-5
0
CONVERSION LOSS (dB)
0 1 2 3 4 5 67 89 1011
RF FREQUENCY (GHz)
-60
-50
-40
-30
-20
-10
0
ISOLATION (dB)
012 34567891011
FREQUENCY (GHz)
RF/IF
LO /IF
LO/RF
LO /IF
LO/RF
Conversion Loss Isolation
-15
-12.5
-10
-7.5
-5
CONVERSION LOSS (dB)
RF FREQUENCY (GHz)
+13dBm
+10dBm
+9dBm
+15dBm
+8dBm
012 3456 7891011
Conversion Loss vs. LO Power
-40
-30
-20
-10
0
RETURN LOSS (dB)
012345 67891011
FREQUENCY (GHz)
IF
RF
LO
Return Loss
Distortion and 1dB
Compression vs. LO Drive Level
Distortion
LO
Drive
RF (f1) = 6.01 GHz
RF (f2) = 6.00 GHz
LO = 6.5 GHz
RF Level = 0 dBm
1 dB
Compression
(dBm) IP3 (dBm) IP2 (dBm) P1dB (dBm)
+7 14 59 8.5
+10 16 62 10
+13 18 65 11
+15 19 65 11
HMC168C8
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 4.5 - 8 GHz
S - Paremeters for the RF, LO, IF Ports are Available On-Line at www.hittite.com
v02.1105
MIXERS - DBL-BAL - SMT
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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
Outline Drawing
Absolute Maximum Ratings
RF / IF Input +13 dBm
LO Drive +27 dBm
Storage Temperature -65 to +150 °C
Operating Temperature -55 to +85 °C
NOTES:
1. PACKAGE BODY MATERIAL: WHITE ALUMINA 92%
2. LEAD, PACKAGE BOTTOM MATERIAL: COPPER
3. PLATING: ELECTROLYTIC GOLD 100-200 MICROINCHES, OVER
ELECTROLYTIC NICKEL 100-250 MICROINCHES.
4. DIMENSIONS ARE IN INCHES [MILLIMETERS].
5. PACKAGE LENGTH AND WIDTH DIMENSIONS DO NOT INCLUDE LID
SEAL PROTRUSION .005 PER SIDE.
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED
TO PCB RF GROUND.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
HMC168C8
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 4.5 - 8 GHz
v02.1105
MIXERS - DBL-BAL - SMT
9
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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
Evaluation PCB
Item Description
J1 - J3 PCB Mount SMA RF Connector
U1 HMC168C8 Mixer
PCB [2] 107214 Evaluation Board
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the nal application should
use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads and exposed paddle should be con-
nected directly to the ground plane similar to that
shown. A sufficient number of via holes should be
used to connect the top and bottom ground planes.
The evaluation circuit board shown is available from
Hittite upon request.
HMC168C8
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 4.5 - 8 GHz
List of Materials for Evaluation PCB 102102 [1]
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