HMC526LC4
v00.0405
GaAs MMIC I/Q MIXER
6 - 10 GHz
Typical Applications
The HMC526LC4 is ideal for:
• Point-to-Point Radios
Features
Wide IF Bandwidth: DC - 3.5 GHz
Image Rejection: 40 dB
LO to RF Isolation: 50 dB
High Input IP3: +28 dBm
RoHS Compliant 4 x 4 mm SMT Package
7
MIXERS - SMT
• Point-to-Mulit-Point Radios & VSAT
• Test Equipment & Sensors
• Military End-Use
Functional Diagram
General Description
The HMC526LC4 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 HMC526LC4 eliminates the
need for wire bonding allowing use of surface mount
manufacturing techniques.
Electrical Specifications,
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
35
15
20
Min.
Typ.
6 - 10
DC - 3.5
7.5
30
+19
45
20
+25
0.5
5
38
16
10
28
Max.
Min.
Typ.
7 - 8.5
DC - 3.5
7.5
40
+20
50
22
+30
0.2
5
9.5
Max.
Units
GHz
GHz
dB
dB
dBm
dB
dB
dBm
dB
Deg
* Unless otherwise noted, all measurements performed as downconverter.
7 - 388
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
HMC526LC4
v00.0405
GaAs MMIC I/Q MIXER
6 - 10 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
7
MIXERS - SMT
-10
-15
+25 C
+85 C
-40 C
-20
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
Conversion Gain vs. LO Drive
0
+15 dBm
+17 dBm
+19 dBm
+21 dBm
Return Loss
0
CONVERSION GAIN (dB)
-5
RETURN LOSS (dB)
-5
-10
-10
-15
RF
LO
-15
-20
-20
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
-25
5
6
7
8
9
10
11
FREQUENCY (GHz)
Input P1dB vs. Temperature
24
22
20
P1dB (dBm)
18
16
14
12
10
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
Input IP3 vs. LO Drive
35
30
25
IP3 (dBm)
20
15
10
5
0
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
LO = +15 dBm
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
+25C
+85C
-55C
* Conversion gain data taken with external IF hybrid
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
7 - 38
HMC526LC4
v00.0405
GaAs MMIC I/Q MIXER
6 - 10 GHz
Quadrature Channel Data Taken Without IF Hybrid
Isolations
0
-10
ISOLATION (dB)
-20
-30
-40
-50
-60
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
-20
0.5
LO/RF
RF/IF1
LO/IF1
RF/IF2
LO/IF2
IF Bandwidth
0
RESPONSE (dB)
7
MIXERS - SMT
-5
-10
-15
CONVERSION GAIN
RETURN LOSS
1
1.5
2
2.5
3
3.5
IF FREQUENCY (GHz)
Amplitude Balance vs. LO Drive
8
6
Phase Balance vs. LO Drive
15
PHASE BALANCE (degrees)
10
5
0
-5
-10
-15
LO = +15 dBm
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
AMPLITUDE BALANCE (dB)
4
2
0
-2
-4
-6
-8
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
LO = +15 dBm
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
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 = +15 dBm
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
CONVERSION GAIN (dB)
-5
-10
-15
LO = +15 dBm
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
-20
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
5
6
7
8
9
10
11
RF FREQUENCY (GHz)
7 - 390
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
HMC526LC4
v00.0405
GaAs MMIC I/Q MIXER
6 - 10 GHz
Harmonics of LO
nLO Spur at RF Port
LO Freq. (GHz)
1
3.5
6.5
7.5
8.5
9.5
10.5
39
43
51
56
47
45
2
40
49
65
61
57
55
3
52
51
53
56
65
59
4
51
70
62
50
63
46
MxN Spurious Outputs
nLO
mRF
0
1
2
3
4
0
xx
33
99
97
99
1
10
0
71
101
98
2
29
46
75
100
98
3
18
77
70
86
102
4
51
68
99
101
107
7
MIXERS - SMT
RF = 7.6 GHz @ -10 dBm
LO = 7.5 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 7.8 mW/°C above 85°C)
Thermal Resistance (R
TH
)
(junction to die bottom)
Storage Temperature
Operating Temperature
+20 dBm
+27 dBm
150°C
507 mW
128 °C/W
-65 to +150 °C
-40 to +85 deg °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
7 - 39
HMC526LC4
v00.0405
GaAs MMIC I/Q MIXER
6 - 10 GHz
Pin Descriptions
Pin Number
1, 2, 6-8, 10,
13, 17-24
Function
Description
No connection required. These pins may be connected
to RF/DC ground without affecting performance.
Interface Schematic
N/C
7
MIXERS - SMT
3, 5, 12, 14,
16
GND
These pins and package bottom must be connected
to RF/DC ground.
4
RF
This pin is AC coupled and matched to
50 Ohms from 6 to 10 GHz.
9
IF1
11
IF2
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.
15
LO
This pin is AC coupled and matched to
50 Ohms from 6 to 10 GHz.
7 - 392
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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