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HMC521LC4
v00.0105
GaAs MMIC I/Q MIXER 8.5 - 13.5 GHz
Typical Applications
The HMC521LC4 is ideal for: * Point-to-Point and Point-to-Multi-Point Radio
Features
Wide IF Bandwidth: DC - 3.5 GHz Image Rejection: 38 dB LO to RF Isolation: 50 dB High Input IP3: +23 dBm RoHS Compliant 4x4 mm SMT Package
7
MIXERS - SMT
* Military Radar
Functional Diagram
General Description
The HMC521LC4 is a compact I /Q MMIC mixer in a leadless "Pb free" RoHS compliant SMT package, 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 Upconverter assemblies. The HMC521LC4 eliminates the need for wire bonding allowing use of surface mount manufacturing techniques.
Electrical Specifications, TA = +25 C, IF= 100 MHz, LO = +15 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 18 20 Min. Typ. 8.5 - 13.5 DC - 3.5 8 30 +14 45 22 +23 0.3 4 45 20 10 30 Max. Min. Typ. 7.1 - 8.5 DC - 3.5 7.5 38 +15 55 24 +24 0.1 4 9.5 Max. Units GHz GHz dB dB dBm dB dB dBm dB Deg
* Unless otherwise noted, all measurements performed as downconverter.
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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
HMC521LC4
v00.0105
GaAs MMIC I/Q MIXER 8.5 - 13.5 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
+25C +85C -55C
7
MIXERS - SMT
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-10
-15
+25C +85C -55C
-20 8 9 10 11 12 13 14 RF FREQUENCY (GHz)
8
9
10
11
12
13
14
RF FREQUENCY (GHz)
Conversion Gain vs. LO Drive
0
Return Loss
0 -5
CONVERSION GAIN (dB)
RETURN LOSS (dB)
-5
-10 -15 -20 -25 -30
RF LO
-10
-15
+13 dBm +15 dBm +17 dBm +19 dBm
-20 8 9 10 11 12 13 14 RF FREQUENCY (GHz)
8
9
10
11
12
13
14
FREQUENCY (GHz)
Input P1dB vs. Temperature
20
Input IP3 vs. LO Drive
35 30 25
16 P1dB (dBm)
12
+25C +85C -55C
IP3 (dBm)
20 15 10 5
8
4
LO = +13 dBm LO = +15 dBm LO = +17 dBm LO = +19 dBm
0 8 9 10 11 12 13 14 RF FREQUENCY (GHz)
8
9
10
11
12
13
14
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
HMC521LC4
v00.0105
GaAs MMIC I/Q MIXER 8.5 - 13.5 GHz
Quadrature Channel Data Taken Without IF Hybrid Isolations
-10
IF Bandwidth*
0
ISOLATION (dB)
-30
LO/IF1 RF/IF1
RESPONSE (dB)
7
MIXERS - SMT
-20 LO/IF2 -5
-10
-40
-15 -50 LO/RF -60 8 9 10 11 12 13 14 RF FREQUENCY (GHz) RF/IF2 -20 0.5
RETURN LOSS CONVERSION GAIN
1
1.5
2
2.5
3
3.5
IF FREQUENCY (GHz)
Amplitude Balance vs. LO Drive
2 1.5 AMPLITUDE BALANCE (dB) 1 0.5 0 -0.5 -1 -1.5 -2 8 9 10 11 12 13 14 RF FREQUENCY (GHz)
LO = +13 dBm LO = +15 dBm LO = +17 dBm LO = +19 dBm
Phase Balance vs. LO Drive
10
LO = +13 dBm LO = +15 dBm LO = +17 dBm LO = +19 dBm
PHASE BALANCE (degrees)
5
0
-5
-10 8 9 10 11 12 13 14 RF FREQUENCY (GHz)
Upconverter Performance Conversion Gain vs. LO Drive
0
Upconverter Performance Sideband Rejection vs. LO Drive
0 SIDEBAND REJECTION (dBc)
CONVERSION GAIN (dB)
-10
-5
-20
LO = +13 dBm LO = +15 dBm LO = +17 dBm LO = +19 dBm
-10
-30
-15
LO = +13 dBm LO = +17 dBm LO = +15 dBm LO = +19 dBm
-40
-20 8 9 10 11 12 13 14 RF FREQUENCY (GHz)
-50 8 9 10 11 12 13 14 RF FREQUENCY (GHz)
* Conversion gain data taken with external IF hybrid
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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
HMC521LC4
v00.0105
GaAs MMIC I/Q MIXER 8.5 - 13.5 GHz
Harmonics of LO
nLO Spur at RF Port LO Freq. (GHz) 1 8.5 9.5 10.5 11.5 12.5 13.5 42 50 51 47 45 45 2 44 53 54 58 59 57 3 44 59 63 66 70 xx 4 70 77 xx xx xx xx
MxN Spurious Outputs
nLO mRF 0 1 2 3 4 0 xx 27 92 92 92 1 -5 0 85 92 92 2 29 51 76 92 92 3 23 59 82 92 92 4 52 81 92 92 92
7
MIXERS - SMT
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RF = 10.6 GHz @ -10 dBm LO = 10.5 GHz @ +15 dBm Data taken without IF hybrid All values in dBc below IF power level
LO = + 15 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=85C) (derate 6.9 mW/C above 85C) Thermal Resistance (RTH) (junction to package bottom) Storage Temperature Operating Temperature +20 dBm + 27 dBm 150C 460 mW 141.4 C/W -65 to +150 C -55 to +85 C
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
ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS
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
HMC521LC4
v00.0105
GaAs MMIC I/Q MIXER 8.5 - 13.5 GHz
Pin Descriptions
Pin Number 1, 2, 6-8, 10, 13, 17-24 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 8.5 to 13.5 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 8.5 to 13.5 GHz. Interface Schematic
7
MIXERS - SMT
3, 5, 12, 14, 16
GND
4
RF
9
IF1
11
IF2
15
LO
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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
HMC521LC4
v00.0105
GaAs MMIC I/Q MIXER 8.5 - 13.5 GHz
Evaluation PCB
7
MIXERS - SMT
List of Materials for Evaluation PCB 109998 [1]
Item J1 - J2 J3 - J4 U1 PCB [2] Description PCB Mount SMA RF Connector, SRI PCB Mount SMA Connector, Johnson HMC521LC4 109996 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
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