HMC351S8
/
351S8E
v03.0705
GaAs MMIC HIGH IP3 DOUBLE-
BALANCED MIXER, 0.7 - 1.2 GHz
Typical Applications
The HMC351S8 / HMC351S8E is ideal for:
• Cellular Basestations
Features
Conversion Loss: 9.0 dB
LO/IF Isolation: 35 dB
LO/RF Isolation: 42 dB
Input IP3: +25 dBm
Input IP2: +48 dBm
7
MIXERS - SMT
• Cable Modems
• Fixed Wireless Access Systems
Functional Diagram
General Description
The HMC351S8 & HMC351S8E are double balanced
mixers in 8 lead plastic surface mount packages.
The passive GaAs schottky diode mixer implements
planar on chip baluns and requires no external com-
ponents. The mixer can be used as an upconverter,
down converter, or modulator. The mixer provides 9
dB conversion loss and +25 dBm IIP3 with LO drive
levels of +19 dBm. The design was optimized for low
cost high volume applications where high converter
linearity is required. The high LO suppression of 42
dB yields excellent carrier suppression for modulator
applications.
Electrical Specifications,
T
A
= +25° C
LO = +19 dBm, IF = 100 MHz
Parameter
Min.
Frequency Range, RF & LO
Frequency Range, IF
Conversion Loss
Noise Figure (SSB)
LO to RF Isolation
LO to IF Isolation
RF to IF Isolation
IP3 (Input)
IP2 (Input)
1 dB Compression (Input)
36
31
9
22
40
12
Typ.
0.7 - 1.2
DC - 0.3
9
9
42
35
13
25
48
16
11.5
11.5
Max.
GHz
GHz
dB
dB
dB
dB
dB
dBm
dBm
dBm
Units
*Unless otherwise noted, all measurements performed as downconverter, IF= 100 MHz.
7 - 226
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
HMC351S8
/
351S8E
v03.0705
GaAs MMIC HIGH IP3 DOUBLE-
BALANCED MIXER, 0.7 - 1.2 GHz
Conversion Gain vs.
Temperature @ LO = +19 dBm
0
Isolation @ LO = +19 dBm
0
-10
CONVERSION GAIN (dB)
-5
ISOLATION (dB)
-20
-30
-40
-50
-60
0.6
RF/IF
LO/RF
LO/IF
7
MIXERS - SMT
-10
-15
+25 C
-40 C
+85 C
-20
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
FREQUENCY (GHz)
FREQUENCY (GHz)
Conversion Gain vs. LO Drive
0
Return Loss @ LO = +19 dBm
0
CONVERSION GAIN (dB)
-5
RETURN LOSS (dB)
-5
-10
-10
-15
-15
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
LO = +22 dBm
-20
RF
LO
-20
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
-25
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
FREQUENCY (GHz)
FREQUENCY (GHz)
IF Bandwidth @ LO = +19 dBm
0
Upconverter Performance,
Conversion Gain @ LO = +19 dBm
0
-5
RESPONSE (dB)
CONVERSION GAIN (dB)
CONVERSION GAIN
RETURN LOSS
-5
-10
-10
-15
-15
-20
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
IF FREQUENCY (GHz)
-20
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
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
7 - 22
HMC351S8
/
351S8E
v03.0705
GaAs MMIC HIGH IP3 DOUBLE-
BALANCED MIXER, 0.7 - 1.2 GHz
Input IP3 vs. LO Drive *
35
Input IP2 vs. LO Drive *
60
55
50
30
IP3 (dBm)
IP2 (dBm)
7
MIXERS - SMT
25
45
40
20
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
15
35
30
0.7
LO = +17 dBm
LO = +19 dBm
LO = +21 dBm
10
0.7
0.8
0.9
1
1.1
1.2
0.8
0.9
1
1.1
1.2
FREQUENCY (GHz)
FREQUENCY (GHz)
Input IP3 vs. Temperature *
@ LO Drive = +19 dBm
35
P1dB vs. Temperature
@ LO = +19 dBm
20
19
30
18
17
IP3 (dBm)
25
P1dB (dBm)
16
15
14
13
+25 C
-40 C
+85 C
20
+25 C
-40 C
+85 C
15
12
11
1.1
1.2
10
0.7
0.8
0.9
10
0.7
0.8
0.9
1
1
1.1
1.2
FREQUENCY (GHz)
FREQUENCY (GHz)
MxN Spurious Outputs
nLO
mRF
0
1
2
3
4
0
xx
4
69
83
>96
1
-2
0
68
93
>96
2
21
19
84
93
>96
3
19
39
76
86
>96
4
40
53
84
89
87
Harmonics of LO
nLO Spur at RF Port
LO Frequency
(GHz)
0.6
0.75
0.9
1.05
1.2
1.35
1
37
39
40
45
49
37
2
42
50
51
59
70
72
3
65
63
59
55
53
63
4
78
83
69
70
79
73
RF = 1.0 GHz @ -10 dBm
LO = 0.9 GHz @ +19 dBm
All values in dBc relative to the IF output power level.
LO = +19 dBm
Values in dBc below input LO level measured at the RF port.
* Two-tone input power = 0 dBm each tone, 1 MHz spacing.
7 - 228
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
HMC351S8
/
351S8E
v03.0705
GaAs MMIC HIGH IP3 DOUBLE-
BALANCED MIXER, 0.7 - 1.2 GHz
Absolute Maximum Ratings
RF / IF Input
LO Drive
Storage Temperature
Operating Temperature
IF DC Current
ESD Sensitivity (HBM)
+27 dBm
+27 dBm
-65 to +150 °C
-40 to +85 °C
±26 mA
Class 1A
7
MIXERS - SMT
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.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
Package Information
Part Number
HMC351S8
HMC351S8E
Package Body Material
Low Stress Injection Molded Plastic
RoHS-compliant Low Stress Injection Molded Plastic
Lead Finish
Sn/Pb Solder
100% matte Sn
MSL Rating
MSL1
MSL1
[1]
Package Marking
[3]
HMC351
XXXX
HMC351
XXXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
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 - 22
HMC351S8
/
351S8E
v03.0705
GaAs MMIC HIGH IP3 DOUBLE-
BALANCED MIXER, 0.7 - 1.2 GHz
Evaluation PCB
7
MIXERS - SMT
List of Materials for Evaluation PCB 104348
[1]
Item
J1 - J3
U1
PCB
[2]
Description
PCB Mount SMA RF Connector
HMC351S8 / HMC351S8E Mixer
104346 Eval 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 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
as shown is available from Hittite upon request.
7 - 230
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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