HMC141C8
v04.0504
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 6 - 15 GHz
Typical Applications
The HMC141C8 is ideal for:
• Microwave Point-to-Point Radios
• VSAT Ground Equipment
Features
Input IP3: +21 dBm
Conversion Loss: 8.5 dB
LO to RF Isolation: 35 dB
9
MIXERS - DBL-BAL - SMT
Functional Diagram
General Description
The HMC141C8 is a miniature passive double-
balanced mixer in a non-hermetic ceramic 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. The mixer can
handle larger signal levels than most active mixers
due to the high third order intercept of 20 dBm. 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.
Electrical Specifi cations,
T
A
= +25° C, LO Drive = +15 dBm
Parameter
Frequency Range, RF & LO
Frequency Range, IF
Conversion Loss
Noise Figure (SSB)
LO to RF Isolation
LO to IF Isolation
IP3 (Input)
IP2 (Input)
1 dB Gain Compression (Input)
28
17
Min.
Typ.
7 - 10
DC - 2
8.5
8.5
35
25
20
45
10
10
10
23
10
Max.
Min.
Typ.
6 - 14.4
DC - 2
10.5
10.5
30
17
20
45
10
12.5
12.5
Max.
Units
GHz
GHz
dB
dB
dB
dB
dBm
dBm
dBm
9 - 16
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
HMC141C8
v04.0504
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 6 - 15 GHz
Conversion Loss
0
CONVERSION LOSS (dB)
Isolation
0
-10
ISOLATION (dB)
RF/IF
-5
-20
-30
-40
-50
LO/IF
-10
-15
9
LO/RF
-20
2
3
4
5
6
7
8
9 10 11 12 13 14 15
FREQUENCY (GHz)
3
4
5
6
7
8
9
10 11
12 13
14 15
FREQUENCY (GHz)
Conversion Loss vs. LO Power
-5
+17 dBm
+15 dBm
+13 dBm
Isolation vs. LO Drive Level
-20
+10 dBm
-30
ISOLATION (dB)
+13 dBm
-7.5
-10
+10 dBm
-12.5
-40
+15 dBm
-50
+17 dBm
-15
2
3
4
5
6
7
8
9
10 11 12 13 14 15
-60
2
3
4
5
6
7
8
9
10 11 12 13 14 15
FREQUENCY (GHz)
FREQUENCY (GHz)
Return Loss
0
IF
RETURN LOSS (dB)
-5
RF
-10
Distortion and 1dB
Compression vs. LO Drive Level
Distortion
LO
Drive
(dBm)
RF (f1)= 11.01 GHz
RF (f2)= 11.00 GHz
LO= 11.5 GHz
RF Level= 0 dBm
IP3 (dBm)
18
21
21
IP2 (dBm)
42
45
45
1 dB
Compression
P1dB (dBm)
7
10
10
-15
LO
-20
+13
+15
+17
-25
2
3
4
5
6
7
8
9 10 11 12 13 14 15
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 - 17
MIXERS - DBL-BAL - SMT
CONVERSION LOSS (dB)
HMC141C8
v04.0504
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 6 - 15 GHz
Absolute Maximum Ratings
RF/IF Input
LO Drive
Storage Temperature
Operating Temperature
+13 dBm
+27 dBm
-65 to +150 °C
-55 to +85 °C
9
MIXERS - DBL-BAL - SMT
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
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.
9 - 18
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
HMC141C8
v04.0504
GaAs MMIC SMT DOUBLE-
BALANCED MIXER, 6 - 15 GHz
Evaluation PCB
9
MIXERS - DBL-BAL - SMT
List of Materials for Evaluation PCB 102102
[1]
Item
J1 - J3
U1
PCB
[2]
Description
PCB Mount SMA RF Connector
HMC141C8 Mixer
107214 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 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.
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 - 19
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