MIXERS - SGL-BAL - SMT
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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
Functional Diagram
Features
Passive Topology
LO / RF Isolation: 26 dB
Input IP3: +21 dBm
Low Conversion Loss: 9 dB
RoHS Compliant MSOP-8 Package
Electrical Speci cations, TA = +25° C, LO = +13 dBm, IF = 100 MHz*
Typical Applications
The HMC277MS8 / HMC277MS8E is ideal for:
• Cellular / 3G Infrastructure
• Basestations & Repeaters
• GSM, CDMA & WCDMA
• Subscribers & Portables
General Description
The HMC277MS8 & HMC277MS8E are general
purpose single balanced mixers in 8 lead plastic
surface mount Mini Small Outline Packages (MSOP).
This passive MMIC mixer is constructed of GaAs
Schottky diodes and a novel planar transformer balun
on the chip. The HMC277MS8(E) requires no external
matching components, and is ideal for upconverter
and downconverter applications. The RF port is
balanced via the MMIC balun while the LO port is
connected directly to the diodes. This product is pin
for pin compatible with the HMC272MS8(E) which
operates from 1.7 to 3.0 GHz.
Parameter Min. Typ. Max. Units
Frequency Range, RF & LO 0.7 - 1.2 GHz
Frequency Range, IF DC - 0.3 GHz
Conversion Loss 910.5 dB
Noise Figure (SSB) 910.5 dB
LO to RF Isolation 20 26 dB
LO to IF Isolation 812 dB
IP3 (Input) 17 21 dBm
1 dB Compression (Input) 9 12 dBm
*Unless otherwise noted, all measurements performed as a downconverter with low side LO.
HMC277MS8 / 277MS8E
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
v00.0906
MIXERS - SGL-BAL - SMT
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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
Conversion Gain vs.
Temperature @ LO = +13 dBm Isolation @ LO = +13 dBm
Conversion Gain vs. LO Drive Return Loss @ LO = +13 dBm
P1dB vs. Temperature @ LO = +13 dBm
IF Bandwidth &
IF Return Loss @ LO = +13 dBm
HMC277MS8 / 277MS8E
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
v00.0906
-20
-15
-10
-5
0
0.5 0.7 0.9 1.1 1.3 1.5 1.7
+25 C
+85 C
-40 C
CONVERSION GAIN (dB)
FREQUENCY (GHz)
-60
-50
-40
-30
-20
-10
0
0.5 0.7 0.9 1.1 1.3 1.5 1.7
RF/IF
LO/RF
LO/IF
ISOLATION (dB)
FREQUENCY (GHz)
-25
-20
-15
-10
-5
0
0.5 0.7 0.9 1.1 1.3 1.5 1.7
+7 dBm
+9 dBm
+11 dBm
+13 dBm
+15 dBm
CONVERSION GAIN (dB)
FREQUENCY (GHz)
-30
-25
-20
-15
-10
-5
0
0 0.5 1 1.5 2 2.5
RF
LO
RETURN LOSS (dB)
FREQUENCY (GHz)
-20
-15
-10
-5
0
0 0.1 0.2 0.3 0.4 0.5 0.6
Conversion Gain
IF Return Loss
RESPONSE (dB)
IF FREQUENCY (GHz)
5
7
9
11
13
15
0.5 0.7 0.9 1.1 1.3 1.5 1.7
+25 C
+85 C
-40 C
P1dB (dBm)
FREQUENCY (GHz)
MIXERS - SGL-BAL - SMT
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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
MxN Spurious Outputs
Input IP3 vs. LO Drive
Input IP3 vs. Temperature
@ LO = +13 dBm
Input IP2 vs. LO Drive
Input IP2 vs. Temperature
@ LO = +13 dBm
Harmonics of LO
nLO
mRF01234
0xx-1542519
1 19 0 36 38 36
24449524063
36983876274
49590909378
RF = 0.96 GHz @ -5 dBm
LO = 0.8 GHz @ +13 dBm
All values in dBc relative to the IF
nLO Spur at RF Port
LO Frequency (GHz) 1 2 3 4
0.5 31 19 56 35
0.7 26 14 46 40
0.9 26 14 49 40
1.1 29 20 48 39
1.3 31 25 49 39
1.5 27 29 58 42
LO = +13 dBm
Values in dBc below input LO level measured at the RF port.
HMC277MS8 / 277MS8E
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
v00.0906
15
17
19
21
23
25
0.5 0.7 0.9 1.1 1.3 1.5 1.7
+11dBm
+13dBm
+15dBm
INPUT IP3 (dBm)
FREQUENCY (GHz)
15
17
19
21
23
25
0.5 0.7 0.9 1.1 1.3 1.5 1.7
+25 C
+85 C
-40 C
INPUT IP3 (dBm)
FREQUENCY (GHz)
20
30
40
50
60
70
0.5 0.7 0.9 1.1 1.3 1.5 1.7
11 dBm
13 dBm
15 dBm
INPUT IP2 (dBm)
FREQUENCY (GHz)
20
30
40
50
60
70
0.5 0.7 0.9 1.1 1.3 1.5 1.7
+25 C
+85 C
-40 C
INPUT IP2 (dBm)
FREQUENCY (GHz)
MIXERS - SGL-BAL - SMT
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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
Outline Drawing
Absolute Maximum Ratings
RF / IF Input +13 dBm
LO Drive +27 dBm
Storage Temperature -65 to +150 °C
Operating Temperature -40 to +85 °C
ESD Sensitivity (HBM) Class 1A
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS].
3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE.
4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE.
5. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND.
Part Number Package Body Material Lead Finish MSL Rating Package Marking [3]
HMC277MS8 Low Stress Injection Molded Plastic Sn/Pb Solder MSL1 [1] H277
XXXX
HMC277MS8E RoHS-compliant Low Stress Injection Molded Plastic 100% matte Sn MSL1 [2] H277
XXXX
[1] Max peak re ow temperature of 235 °C
[2] Max peak re ow temperature of 260 °C
[3] 4-Digit lot number XXXX
Package Information
HMC277MS8 / 277MS8E
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
v00.0906
MIXERS - SGL-BAL - SMT
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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
HMC277MS8 / 277MS8E
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
v00.0906
Pin Number Function Description Interface Schematic
1, 3, 5 GND This pin must be connected to RF ground.
2LO This pin is AC coupled
and matched to 50 Ohms.
4, 7 N/C No connection required. These pins may be connected to
RF/DC ground without affecting performance.
6IF
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.
8RF This pin is DC coupled
and matched to 50 Ohms.
Pin Descriptions
MIXERS - SGL-BAL - SMT
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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
Evaluation Circuit Board
List of Materials for Evaluation PCB 115791 [1]
Item Description
J1 - J3 PCB Mount SMA RF Connector
U1 HMC277MS8 / HMC272MS8E Mixer
PCB [2] 102643 Evaluation Board
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the  nal 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.
HMC277MS8 / 277MS8E
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
v00.0906