HMC528LC4
v02.1208
GaAs MMIC I/Q MIXER
11 - 16 GHz
Typical Applications
The HMC528LC4 is ideal for:
• Point-to-Point Radios
Features
Wide IF Bandwidth: DC - 3.5 GHz
Image Rejection: 35 dB
LO to RF Isolation: 45 dB
High Input IP3: +26 dBm
RoHS Compliant 4x4 mm SMT Package
8
MIXERS - I/Q MIXERS, IRMS & RECEIVERS - SMT
• Point-to-Multi-Point Radios & VSAT
• Test Equipment & Sensors
• Military End-Use
Functional Diagram
General Description
The HMC528LC4 is a compact general purpose I/Q
MMIC mixer in a leadless RoHS compliant SMT pack-
age, which can be used as either an Image Reject
Mixer or a Single Sideband Upconverter. The mixer
utilizes two standard Hittite double balanced mixer
cells and a 90 degree hybrid fabricated in a GaAs
MESFET process. A low frequency quadrature hybrid
was used to produce a 100 MHz USB IF output. This
product is a much smaller alternative to hybrid style
Image Reject Mixers and Single Sideband Upcon-
verter assemblies. The HMC528LC4 eliminates the
need for wire bonding allowing use of surface mount
manufacturing techniques.
Electrical Specifi cations,
T
A
= +25° C, IF= 100 MHz, LO = +19 dBm*
Parameter
Frequency Range, RF/LO
Frequency Range, IF
Conversion Loss (As IRM)
Image Rejection
1 dB Compression (Input)
LO to RF Isolation
LO to IF Isolation
IP3 (Input)
Amplitude Balance
Phase Balance
40
18
15
Min.
Typ.
11 - 16
DC - 3.5
9
25
+21
45
22
+25
0.5
8
40
18
12
17
Max.
Min.
Typ.
12.7 - 15.4
DC - 3.5
8
35
+21
45
22
+27
0.4
5
10.5
Max.
Units
GHz
GHz
dB
dB
dBm
dB
dB
dBm
dB
Deg
* Unless otherwise noted, all measurements performed as downconverter.
8 - 142
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
HMC528LC4
v02.1208
GaAs MMIC I/Q MIXER
11 - 16 GHz
Data taken as IRM with External IF Hybrid
Conversion Gain vs. Temperature
0
Image Rejection vs. Temperature
60
50
CONVERSION GAIN (dB)
-5
IMAGE REJECTION (dB)
40
30
20
10
0
+25 C
+85 C
-40 C
8
MIXERS - I/Q MIXERS, IRMS & RECEIVERS - SMT
8 - 143
-10
-15
+25C
+85C
-40C
-20
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
Conversion Gain vs. LO Drive
0
Return Loss
0
RF
LO
CONVERSION GAIN (dB)
-10
RETURN LOSS (dB)
15
16
17
-5
-5
-10
-15
+17dBm
+19dBm
+21dBm
-15
-20
10
11
12
13
14
RF FREQUENCY (GHz)
-20
10
11
12
13
14
15
16
17
FREQUENCY (GHz)
Input P1dB vs. Temperature
26
24
22
P1dB (dBm)
Input IP3 vs. LO Drive
35
30
25
IP3 (dBm)
20
15
10
5
20
18
16
14
12
10
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
+25C
+85C
-55C
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
10
11
12
13
14
15
16
17
RF 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
HMC528LC4
v02.1208
GaAs MMIC I/Q MIXER
11 - 16 GHz
Quadrature Channel Data Taken Without IF Hybrid
Isolations
-10
IF Bandwidth*
0
ISOLATION (dB)
-30
LO/IF1
RF/IF1
RESPONSE (dB)
8
MIXERS - I/Q MIXERS, IRMS & RECEIVERS - SMT
-20
LOF/IF2
-5
-10
-40
-50
RF/IF2
-60
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
LO/RF
-15
RETURN LOSS
CONVERSION GAIN
-20
0.5
1
1.5
2
2.5
3
3.5
IF FREQUENCY (GHz)
Amplitude Balance vs. LO Drive
8
6
AMPLITUDE BALANCE (dB)
4
2
0
-2
-4
-6
-8
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
Phase Balance vs. LO Drive
15
PHASE BALANCE (degrees)
10
5
0
-5
-10
-15
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
Upconverter Performance Conversion
Gain vs. LO Drive*
0
Upconverter Performance Sideband
Rejection vs. LO Drive*
0
SIDEBAND REJECTION (dBc)
-10
-20
-30
-40
-50
-60
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
CONVERSION GAIN (dB)
-5
-10
-15
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
-20
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
10
11
12
13
14
15
16
17
RF FREQUENCY (GHz)
* Conversion gain data taken with external IF hybrid
8 - 144
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
HMC528LC4
v02.1208
GaAs MMIC I/Q MIXER
11 - 16 GHz
Harmonics of LO
LO Freq. (GHz)
10.5
11.5
12.5
13.5
14.5
15.5
nLO Spur at RF Port
1
43
49
50
49
50
49
2
49
47
51
52
48
54
3
58
61
63
67
69
71
4
79
61
53
xx
xx
xx
MxN Spurious Outputs
nLO
mRF
0
1
2
3
4
0
xx
24
79
87
xx
1
-12
0
73
102
84
2
7
51
74
99
102
3
14
59
79
86
97
4
xx
70
91
97
105
8
MIXERS - I/Q MIXERS, IRMS & RECEIVERS - SMT
8 - 145
RF = 13.6 GHz @ -10 dBm
LO = 13.5 GHz @ +19 dBm
Data taken without IF hybrid
All values in dBc below IF power level
LO = +19 dBm
Values in dBc below input LO level measured at RF Port.
Absolute Maximum Ratings
RF / IF Input
LO Drive
Channel Temperature
Continuous Pdiss (T=85°C)
(derate 6.9 mW/°C above 85°C)
Thermal Resistance (R
TH
)
(junction to die bottom)
Storage Temperature
Operating Temperature
+20 dBm
+27 dBm
150°C
448 mW
145 °C/W
-65 to +150 °C
-40 to +85 °C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
NOTES:
1. PACKAGE BODY MATERIAL: ALUMINA
2. LEAD AND GROUND PADDLE PLATING: 30 - 80 MICROINCHES
GOLD OVER 50 MICROINCHES MINIMUM NICKLE
3. DIMENSIONS ARE IN INCHES [MILLIMETERS]
4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm DATUM
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED
TO PCB RF GROUND
7. CLASSIFIED AS A MOISTURE SENSITIVITY LEVEL (MSL) 1.
Outline Drawing
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
HMC528LC4
v02.1208
GaAs MMIC I/Q MIXER
11 - 16 GHz
Pin Descriptions
Pin Number
1, 2, 6-8,
10, 13,
17-24
3, 5, 12,
14, 16
Function
N/C
Description
No connection required. These pins may be connected
to RF/DC ground without affecting performance.
These pins and package bottom must be connected
to RF/DC ground.
This pin is AC coupled and matched to
50 Ohms from 11 to 16 GHz.
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 3mA of current or part non-function
and possible part failure will result.
This pin is AC coupled and matched to
50 Ohms from 11 to 16 GHz.
Interface Schematic
8
MIXERS - I/Q MIXERS, IRMS & RECEIVERS - SMT
GND
4
RF
9
IF1
11
IF2
15
LO
8 - 146
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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