HMC264
v02.1007
GaAs MMIC SUB-HARMONICALLY
PUMPED MIXER, 20 - 32 GHz
Typical Applications
The HMC264 is ideal for:
• Microwave Point-to-Point Radios
Features
Integrated LO Amplifier: -4 dBm Input
Sub-Harmonically Pumped (x2) LO
High 2LO/RF Isolation: 40 dB
Small Size: 1.32 x 0.97 x 0.1 mm
3
MIXERS - SUB-HARMONIC - CHIP
• LMDS
• SATCOM
Functional Diagram
General Description
The HMC264 chip is a sub-harmonically pumped
(x2) MMIC mixer with an integrated LO amplifier
which can be used as an upconverter or downcon-
verter. The chip utilizes a GaAs PHEMT technology
that results in a small overall chip area of 1.28mm
2
.
The 2LO to RF isolation is excellent eliminating the
need for additional filtering. The LO amplifier is a
single bias (+3V to +4V) two stage design with only
-4 dBm nominal drive requirement. All data is mea-
sured with the chip in a 50 ohm test fixture connected
via 0.025 mm (1 mil) diameter wire bonds of minimal
length <0.31 mm (<12 mils).
Electrical Specifi cations,
T
A
= +25° C, As a Function of LO Drive & Vdd
Parameter
IF = 1 GHz
LO = 0 dBm & Vdd = +4V
Min.
Frequency Range, RF
Frequency Range, LO
Frequency Range, IF
Conversion Loss
Noise Figure (SSB)
2LO to RF Isolation
2LO to IF Isolation
IP3 (Input)
1 dB Gain Compression (Input)
Supply Current (Idd)
29
32
5
+3
Typ.
24 - 32
12 - 16
DC - 6
10
10
35
40
13
+6
28
50
13
13
29
29
5
-3
Max.
IF = 1 GHz
LO = -4 dBm & Vdd = +4V
Min.
Typ.
20 - 30
10 - 15
DC - 6
10
10
40
40 ~ 50
13
0 ~ +4
28
50
12
12
18
25
3
-5
Max.
IF = 1 GHz
LO = -4 dBm & Vdd = +3V
Min.
Typ.
22 - 29
10.5 - 14.5
DC - 4
9
9
22 ~ 30
30
10
0 ~ +3
25
50
11
11
Max.
GHz
GHz
GHz
dB
dB
dB
dB
dBm
dBm
mA
Units
3 - 14
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
HMC264
v02.1007
GaAs MMIC SUB-HARMONICALLY
PUMPED MIXER, 20 - 32 GHz
Conversion Gain vs.
Temperature @ LO = -4 dBm, Vdd = +4V
0
Conversion Gain vs.
Temperature @ LO = -4 dBm, Vdd = +3V
0
CONVERSION GAIN (dB)
CONVERSION GAIN (dB)
-5
-5
-10
-10
3
+25C
-55C
+85C
-15
+25C
-55C
+85C
-15
-20
-20
-25
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-25
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
Conversion Gain vs.
LO Drive @ Vdd = +4V
0
Conversion Gain vs.
LO Drive @ Vdd = +3V
0
CONVERSION GAIN (dB)
-10
CONVERSION GAIN (dB)
-5
-5
-10
-15
-20
-8 dBm
-6 dBm
-4 dBm
-2 dBm
0 dBm
-15
-6 dBm
-2 dBm
-4 dBm
-20
-25
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-25
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
Isolation @ LO = -4 dBm, Vdd = +4V
10
0
-10
ISOLATION (dB)
-20
-30
-40
-50
-60
-70
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
RF/IF
LO/RF
LO/IF
2LO/RF
2LO/IF
Isolation @ LO = -4 dBm, Vdd = +3V
10
0
-10
ISOLATION (dB)
-20
-30
-40
-50
-60
-70
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
RF/IF
LO/RF
LO/IF
2LO/RF
2LO/IF
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
3 - 15
MIXERS - SUB-HARMONIC - CHIP
HMC264
v02.1007
GaAs MMIC SUB-HARMONICALLY
PUMPED MIXER, 20 - 32 GHz
Input IP3 vs. LO Drive @ Vdd = +4V
20
15
Input IP3 vs. LO Drive @ Vdd = +3V
20
15
10
5
0
-5
-10
-2 dBm
-4 dBm
-6 dBm
IP3 (dBm)
5
0
-5
-10
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-2 dBm
-4 dBm
-6 dBm
MIXERS - SUB-HARMONIC - CHIP
IP3 (dBm)
3
10
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
Input IP3 vs.
Temperature @ LO = -4 dBm, Vdd = +4V
20
15
10
5
0
-5
-10
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-55C
+25C
+85C
Input IP3 vs.
Temperature @ LO = -4 dBm, Vdd = +3V
20
15
10
5
0
-5
-10
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-55C
+25C
+85C
IP3 (dBm)
Input IP2 vs. LO Drive @ Vdd = +4V
60
50
40
30
20
10
0
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-6 dBm
-4 dBm
-2 dBm
Input IP2 vs. LO Drive @ Vdd = +3V
60
50
40
30
20
10
0
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-6 dBm
-4 dBm
-2 dBm
IP2 (dBm)
3 - 16
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
IP2 (dBm)
IP3 (dBm)
HMC264
v02.1007
GaAs MMIC SUB-HARMONICALLY
PUMPED MIXER, 20 - 32 GHz
Input IP2 vs.
Temperature @ LO = -4 dBm, Vdd = +4V
60
50
40
30
20
10
0
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-55C
+25C
+85C
Input IP2 vs.
Temperature @ LO = -4 dBm, Vdd = +3V
60
50
40
30
20
10
0
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
IP2 (dBm)
IP2 (dBm)
3
MIXERS - SUB-HARMONIC - CHIP
-55C
+25C
+85C
Input P1dB vs.
Temperature @ LO = -4 dBm, Vdd = +4V
7
6
5
4
P1dB (dBm)
3
2
1
0
-1
-2
-3
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
+25C
-55C
+85C
Input P1dB vs.
Temperature @ LO = -4 dBm, Vdd = +3V
7
6
5
4
P1dB (dBm)
3
2
1
0
-1
-2
-3
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
+25C
-55C
+85C
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
3 - 17
HMC264
v02.1007
GaAs MMIC SUB-HARMONICALLY
PUMPED MIXER, 20 - 32 GHz
Upconverter Performance
Conversion Gain, LO = -4 dBm
0
Return Loss @ LO = -4 dBm, Vdd = +4V
0
CONVERSION GAIN (dB)
-5
RETURN LOSS (dB)
-5
3
MIXERS - SUB-HARMONIC - CHIP
-10
-10
-15
-20
Vdd = +4V
Vdd = +3V
-15
IF
RF
LO
-25
16
18
20
22
24
26
28
30
32
34
RF FREQUENCY (GHz)
-20
0
5
10
15
20
25
30
35
40
FREQUENCY (GHz)
IF Bandwidth @ LO = -4 dBm, Vdd = +4V
0
IF CONVERSION GAIN (dB)
MxN Spurious Outputs
@ LO Drive = -4 dBm, Vdd = +4V
nLO
mRF
±5
±4
±3
±2
±1
0
-3
-2
-36
-54
-22
-34
-15
x
-54
-74
-67
-38
-66
+26
-30
-10
-5
-10
-1
0
-15
1
2
-20
3
-25
0
1
2
3
4
5
6
7
8
9
10
IF FREQUENCY (GHz)
RF = 30 GHz @ -10 dBm
LO = 13.5 GHz @ -4 dBm
All values in dBc below the IF power level
3 - 18
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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