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v00.00503
MICROWAVE CORPORATION
HMC488MS8G
GaAs MMIC MIXER W/ INTEGRATED LO AMPLIFIER, 4.0 - 7.0 GHz
Typical Applications
The HMC488MS8G is ideal for: * UNII, ISM & WLAN * Point to Point/Multi-Point Radios * VSAT
Features
Conversion Loss: 7 dB Integrated LO Amplifier: 0 to +6 dBm Drive Input IP3: +15 dBm Single Positive Supply: 5V @ 46 mA
Functional Diagram
General Description
The HMC488MS8G is an ultra miniature doublebalanced mixer with an integrated LO amplifier in an 8 lead plastic SMT MSOP covering 4 - 7 GHz. This passive MMIC mixer integrates a GaAs Schottky diode quad, transformer baluns and a LO buffer on a single chip yielding a low conversion loss of 7 dB coupled with an input IP3 of +15 dBm. The LO buffer amplifier can be driven from 0 to +6 dBm and requires a single supply of +5V @ 46 mA. The device can be used as an upconverter, downconverter or bi-phase (de)modulator for a variety of point-to-point/multipoint, VSAT, telemetry or broadband WLAN applications.
12
MIXERS - SMT
Electrical Specifications, TA = +25 C, IF= 100 MHz, Vdd= 5V
LO = +2 dBm Parameter Min. Frequency Range, RF & LO Frequency Range, IF Conversion Loss Noise Figure (SSB) LO to RF Isolation LO to IF Isolation IP3 (Input) 1 dB Gain Compression (Input) Supply Current (Idd) 5 25 16 Typ. 4.0 - 7.0 DC - 2.5 7 7 30 20 15 8 46 6 27 20 9.5 Max. Min. Typ. 5.0 - 6.0 DC - 2.5 8 8 32 25 15 9 46 10.5 Max. GHz GHz dB dB dB dB dBm dBm mA LO = 0 dBm Units
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com
v00.0503
MICROWAVE CORPORATION
HMC488MS8G
GaAs MMIC MIXER W/ INTEGRATED LO AMPLIFIER, 4.0 - 7.0 GHz
Conversion Gain vs. Temperature @ LO = +2 dBm
0
Isolation @ LO = +2 dBm
0
CONVERSION GAIN (dB)
-5 ISOLATION (dB)
-10
-20
-10
-30
-15
+25 C +85 C -40 C
-40
RF TO IF LO TO RF LO TO IF
-20 4 4.5 5 5.5 6 RF FREQUENCY (GHz) 6.5 7
-50 4 4.5 5 5.5 6 FREQUENCY (GHz) 6.5 7
12
MIXERS - SMT
Conversion Gain vs. LO Drive
0
Return Loss @ LO = +2 dBm
0
RF LO
CONVERSION GAIN (dB)
-5 RETURN LOSS (dB) -5
-10
-10
LO = 0dBm LO = +2dBm LO = +4dBm LO = +6dBm
-15
-15
-20
-20 4 4.5 5 5.5 6 RF FREQUENCY (GHz) 6.5 7
-25 4 4.5 5 5.5 6 FREQUENCY (GHz) 6.5 7
Upconverter Performance Conversion Gain vs. LO Drive
0
IF Bandwidth @ LO = +2 dBm
0
CONVERSION GAIN RETURN LOSS
CONVERSION GAIN (dB)
-5 -5 RESPONSE (dB) -10
-10
-15
-15
LO=0dBm LO=+2dBm LO=+4dBm LO=+6dBm
-20
-20 4 4.5 5 5.5 6 RF FREQUENCY (GHz) 6.5 7
-25 0 0.5 1 1.5 2 2.5 3 IF FREQUENCY (GHz) 3.5 4
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com
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v00.0503
MICROWAVE CORPORATION
HMC488MS8G
GaAs MMIC MIXER W/ INTEGRATED LO AMPLIFIER, 4.0 - 7.0 GHz
Input IP3 vs. Temperature @ LO = +2 dBm
25
Input IP3 vs. LO Drive
25
20 INPUT IP3 (dBm) INPUT IP3 (dBm)
+25 C +85 C -40 C
20
15
15
10
10
LO=0dBm LO=+2dBm LO=+4dBm
5
5
0
0 4 4.5 5 5.5 6 FREQUENCY (GHz) 6.5 7 4 4.5 5 5.5 6 FREQUENCY (GHz) 6.5 7
12
MIXERS - SMT
70 65 60 INPUT IP2 (dBm) 55 50 45 40 35 30 25
Input IP2 vs. Temperature @ LO = +2 dBm
+25 C +85 C -40 C
Input IP2 vs. LO Drive
65 60 55 INPUT IP2 (dBm) 50 45 40 35 30 25
LO=0dBm LO=+2dBm LO=+4dBm
4
4.5
5 5.5 6 FREQUENCY (GHz)
6.5
7
4
4.5
5 5.5 6 FREQUENCY (GHz)
6.5
7
Input P1dB vs. Temperature @ LO = +2 dBm
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 4 4.5 5 5.5 6 FREQUENCY (GHz)
Input P1dB vs. LO Drive
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 4 4.5 5 5.5 6 FREQUENCY (GHz)
INPUT P1dB (dBm)
INPUT P1dB (dBm)
+25 C +85 C -40 C
LO=0dBm LO=+2dBm LO=+3dBm
6.5
7
6.5
7
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com
v00.0503
MICROWAVE CORPORATION
HMC488MS8G
GaAs MMIC MIXER W/ INTEGRATED LO AMPLIFIER, 4.0 - 7.0 GHz
MxN Spurious @ IF Port
nLO mRF 0 1 2 3 4 0 xx 12 62 77 83 1 9 0 60 83 83 2 20 29 63 74 84 3 24 52 60 63 85 4 40 41 77 75 82
Harmonics of LO
nLO Spur @ RF Port LO Freq. (GHz) 5 5.2 5.4 5.6 5.8 6 1 32 32 31 31 31 31 2 18 19 23 26 26 27 3 42 62 52 43 40 43 4 52 56 59 64 57 51
RF Freq. = 5.3 GHz @ -10 dBm LO Freq. = 5.2 GHz @ +3 dBm All values in dBc relative to the IF power level.
LO = +3 dBm All values in dBc below input LO level measured at RF port.
12
MIXERS - SMT
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Typical Supply Current vs. Vdd
Vdd +4.75 +5.0 +5.25 Idd (mA) 45 46 47
Absolute Maximum Ratings
RF / IF Input (Vdd= +5V) LO Drive (Vdd= +5V) Vdd Channel Temperature Continuous Pdiss (T = 85C) (derate 13.2 mW/C above 85C) Storage Temperature Operating Temperature +13 dBm +15 dBm +7 Vdc 150C 0.85 W -65 to +150C -40 to +85C
Mixer will operate over full voltage range shown above.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com
v00.0503
MICROWAVE CORPORATION
HMC488MS8G
GaAs MMIC MIXER W/ INTEGRATED LO AMPLIFIER, 4.0 - 7.0 GHz
Outline Drawing
12
MIXERS - SMT
NOTES: 1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED PLASTIC SILICA AND SILICON IMPREGNATED. 2. LEAD MATERIAL: COPPER ALLOY 3 LEAD PLATING: Sn/Pb SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS] 5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 6. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO THE PCB RF GROUND
Pin Descriptions
Pin Number Function Description This pin is AC coupled & matched to 50 Ohm from 4.0 to 7.0 GHz. Interface Schematic
1
LO
2, 6, 7
GND
This pin must be connected to RF ground.
3, 4
Vdd
These pins are power supply for LO amp. An external RF bypass capacitor (10,000 pF) is required.
5
IF Port
This pin is DC coupled. For applications not requiring operation to DC this port should be DC blocked externally using a series capacitor. Choose value of capacitor to pass IF frequency desired. For operation to DC, this pin must not sink/source more than 40 mA of current or failure may result.
8
RF Port
This pin is DC coupled & matched to 50 Ohm from 4.0 to 7.0 GHz
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com
v00.0503
MICROWAVE CORPORATION
HMC488MS8G
GaAs MMIC MIXER W/ INTEGRATED LO AMPLIFIER, 4.0 - 7.0 GHz
Evaluation PCB
12
MIXERS - SMT
List of Material
Item J1 - J3 J4 - J5 C1 U1 PCB* Description PC Mount SMA RF Connector DC Pins 10,000 pF Chip Capacitor, 0603 Pkg. HMC488MS8G 106829 Evaluation Board, 1.000" x 1.000" * 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: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com
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