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HMC129G8
v02.1105
GaAs MMIC SMT DOUBLEBALANCED MIXER, 4 - 8 GHz
Typical Applications
Features
The HMC129G8 is ideal for:
Conversion Loss: 8 dB
• UNII & HiperLAN
LO to RF and IF Isolation: 30 dB
• Military & Space
Small Size, No DC Bias Required
• Test Equipment
MIXERS - DBL-BAL - SMT
9
Functional Diagram
General Description
The HMC129G8 is a miniature double-balanced mixer
in a hermetic surface mount package that can be used
as an upconverter or downconverter. The device is
a passive diode/balun type mixer with high dynamic
range. Noise figure 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.
Electrical Specifi cations, TA = +25° C, LO Drive = +15 dBm
Parameter
Min.
Frequency Range, RF & LO
Frequency Range, IF
9-6
Typ.
Max.
4.0 - 8.0
Units
GHz
DC - 3
GHz
Conversion Loss
8
10
dB
Noise Figure (SSB)
8
10
dB
LO to RF Isolation
20
30
LO to IF Isolation
20
30
dB
IP3 (Input)
13
18
dBm
IP2 (Input)
35
40
dBm
1 dB Gain Compression (Input)
5
10
dBm
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
dB
HMC129G8
v02.1105
GaAs MMIC SMT DOUBLEBALANCED MIXER, 4 - 8 GHz
Isolation
Conversion Loss
0
-10
RF/IF
-10
-20
LO/IF
-30
LO/RF
-50
-60
-20
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
RF FREQUENCY (GHz)
4
5
6
7
8
FREQUENCY (GHz)
9
10
11
Distortion and 1dB Compression
versus LO Drive Level
Return Loss
Distortion
0
RETURN LOSS (dB)
9
-40
-15
LO
Drive
-5
RF
LO
IF
-10
-15
RF (f1) = 6.01 GHz
RF (f2) = 6.00 GHz
LO = 6.5 GHz
RF Level = 0 dBm
(dBm)
IP3 (dBm)
IP2 (dBm)
P1dB (dBm)
+7
14
59
8.5
+10
16
62
10
+13
18
65
11
+15
19
65
11
-20
0
1
2
3
4
5
6
7
8
9
10
1 dB
Compression
MIXERS - DBL-BAL - SMT
-5
ISOLATION (dB)
CONVERSION LOSS (dB)
0
11
FREQUENCY (GHz)
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
9-7
HMC129G8
v02.1105
GaAs MMIC SMT DOUBLEBALANCED MIXER, 4 - 8 GHz
Absolute Maximum Ratings
MIXERS - DBL-BAL - SMT
9
LO Drive
+27 dBm
Storage Temperature
-65 to +150 °C
Operating Temperature
-55 to +125 °C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
NOTES:
1. PACKAGE MATERIAL: ALUMINA LOADED BOROSILICATE GLASS.
2. LEAD, BASE, COVER MATERIAL: KOVAR™ (#7052 CORNING).
3. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MIN., OVER
ELECTROLYTIC NICKEL 50 MICROINCHES MIN.
4. DIMENSIONS ARE IN INCHES [MILLIMETERS].
5. TOLERANCES: ±.005 [0.13] UNLESS OTHERWISE SPECIFIED.
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED
TO PCB RF GROUND.
9-8
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
HMC129G8
v02.1105
GaAs MMIC SMT DOUBLEBALANCED MIXER, 4 - 8 GHz
Evaluation PCB
MIXERS - DBL-BAL - SMT
9
List of Materials for Evaluation PCB 104882 [1]
Item
Description
J1 - J3
PCB Mount SMA RF Connector
U1
HMC129G8 Mixer
PCB [2]
104880 Evaluation Board
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the final application should
use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads and exposed paddle should be connected 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.
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
9-9