26 to 33 GHz Microwave Radios
Up and Down Converter for
Point to Point Radios
Satellite Communication Systems
Functional Diagram
PUMPED IRM MIXER 26 - 33 GHz
Features
Integrated LO Amplifi er: +2 dBm Input
Sub-Harmonically Pumped (x2) LO
Image Rejection: 22 dB Typical
Small Size: 1.24mm x 1.86mm
General Description
The HMC404 chip is a sub-harmonically pumped
(x2) MMIC image rejection mixer with an integrated LO amplifi er which can be used as an
upconverter or downconverter. The chip utilizes a
GaAs PHEMT technology that results in a small
overall chip area of 2.31mm2. The on-chip 90°
hybrid provides excellent amplitude and phase
balance resulting in greater than 22 dB of image
rejection. The LO amplifi er is a single bias (+3V to
+4V) two stage design with only +2 dBm nominal
drive required.
Guaranteed Performance, As a Function of Vdd, 25 Deg °C
MIXERS - CHIP
FR,egnaRycneuqerF33-62zHG
OLegnaRycneuqerF5.61-31zHG
,egnaRycneuqerFFI3-CDzHG
erugiFesioN11Bd
noitcejeRegamI22Bd
ecnalaBedutilpmA5.1±Bd
ecnalaBesahP7±geD
FRotOL2sInoitalo53Bd
otOL2FIsInoitalo04Bd
PI)tupnI(371mBd
(noisserpmoCBd1nI)tup6+mBd
)ddV(egatloVylppuS0.4cdV
(tnerruCylppuSdI)d82Am
FIzHG1=
retemaraP
.niM.pyT.xaM
)dnabediSderiseD(ssoLnoisrevnoC11Bd
V4+=ddV&mBd2+=OL
stinUretemaraP
stinU
5 - 50
* Unless otherwise noted, all measurements performed as downconverter.
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
Image Rejection
vs. LO Drive, IF = 1 GHz, Vdd= +4V
30
25
20
15
Conversion Gain to Desired Sideband
vs. LO Drive, IF = 1 GHz, Vdd= +3V
0
-5
-10
-15
-20
CONVERSION GAIN (dB)
-25
-30
24 25 26 27 28 29 30 31 32 33 34 35 36
RF FREQUENCY (GHz)
Image Rejection
vs. LO Drive, IF = 1 GHz, Vdd= +3V
30
25
20
15
LO = 0dBm
LO = +2dBm
LO = +4dBm
5
10
IMAGE REJECTION (dB)
5
0
24 25 26 27 28 29 30 31 32 33 34 35 36
LO = 0dBm
LO = +2dBm
LO = +4dBm
RF FREQUENCY (GHz)
Amplitude Balance vs. Temperature
@ LO = +2 dBm, IF = 100 MHz, Vdd= +4V
3
2.5
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
AMPLITUDE BALANCE (dB)
-2.5
-3
24 25 26 27 28 29 30 31 32 33 34 35
+25C
-55C
+85C
RF FREQUENCY (GHz)
10
IMAGE REJECTION (dB)
5
0
24 25 26 27 28 29 30 31 32 33 34 35 36
LO = 0dBm
LO = +2dBm
LO = +4dBm
RF FREQUENCY (GHz)
Phase Balance vs. Temperature
@ LO = +2 dBm, IF = 100 MHz, Vdd= +4V
10
5
0
-5
-10
-15
PHASE BALANCE (degrees)
-20
24 25 26 27 28 29 30 31 32 33 34 35
RF FREQUENCY (GHz)
+25C
-55C
+85C
MIXERS - CHIP
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
Input P1dB vs. Temperature
@ LO = +2 dBm, IF = 1 GHz, Vdd = +4V
10
9
8
7
6
5
4
3
INPUT P1dB (dBm)
2
MIXERS - CHIP
1
0
2627282930313233
RF/IF
LO/RF
LO/IF
2LO/RF
2LO/IF
RF FREQUENCY (GHz)
RF FREQUENCY (GHz)
T+25C
T -55C
T+85C
PUMPED IRM MIXER 26 - 33 GHz
IF Bandwidth
@ LO = +2 dBm, Vdd = +4V
-10
-11
-12
-13
-14
-15
-16
-17
-18
IF CONVERSION GAIN (dB)
-19
-20
00.511.522.533.54
IF FREQUENCY (GHz)
Input IP3 vs. Temperature
@ LO = +2 dBm, IF = 1 GHz, Vdd = +4V
20
15
10
INPUT IP3 (dBm)
5
0
2627282930313233
RF FREQUENCY (GHz)
T+25C
T -55C
T+85C
IF1
IF2
5 - 52
* Two-tone input power = -10 dBm each tone, 1 MHz spacing.
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
ALL DIMENSIONS IN INCHES (MILLIMETERS)
ALL TOLERANCES ARE ±0.001 (0.025)
DIE THICKNESS IS 0.004 (0.100) BACKSIDE IS GROUND
BOND PADS ARE 0.004 (0.100) SQUARE
BOND PAD SPACING, CTR-CTR: 0.006 (0.150)
BACKSIDE METALLIZATION: GOLD
BOND PAD METALLIZATION: GOLD
NO CONNECTION REQUIRED TO UNLABELED BOND PADS
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
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
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