hittite HMC277MS8 User Manual
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HMC277MS8 / 277MS8E
v00.0906
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
8
MIXERS - SMT
Typical Appli cations
The HMC277MS8 / HMC277MS8E is ideal for:
• Cellular / 3G Infrastructure
• Basestations & Repeaters
• GSM, CDMA & WCDMA
• Subscribers & Portables
Functional Diagram
Features
Passive Topology
LO / RF Isolation: 26 dB
Input IP3: +21 dBm
Low Conversion Loss: 9 dB
RoHS Compliant MSOP-8 Package
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
constru cted of GaAs Schot tky diod es 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.
8 - 152
Electrical Specifications, T
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 dB m
1 dB Compression (Input) 9 12 dBm
*Unless otherwise noted, all measurements performed as a downconverter with low side LO.
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
= +25° C, LO = +13 dBm, IF = 100 MHz*
A
Order On-line at www.hittite.com
Conversion Gain vs.
Temperature @ LO = +13 dBm
0
HMC277MS8 / 277MS8E
v00.0906
GaAs MMIC SMT SINGLE
BALANCED MIXER, 0.7 - 1.2 GHz
Isolation @ LO = +13 dBm
0
-5
-10
+25 C
-15
CONVERSION GAIN (dB)
-20
0.5 0.7 0.9 1.1 1.3 1.5 1.7
+85 C
-40 C
FREQUENCY (GHz)
-10
-20
-30
-40
ISOLATION (dB)
RF/IF
-50
-60
0.5 0.7 0.9 1.1 1.3 1.5 1.7
FREQUENCY (GHz)
LO/RF
LO/IF
Conversion Gain vs. LO Drive Return Loss @ LO = +13 dBm
0
-5
-10
-15
CONVERSION GAIN (dB)
-20
+7 dBm
+9 dBm
+11 dBm
+13 dBm
+15 dBm
0
-5
-10
-15
-20
RETURN LOSS (dB)
-25
RF
LO
8
MIXERS - SMT
-25
0.5 0.7 0.9 1.1 1.3 1.5 1.7
FREQUENCY (GHz)
IF Bandwidth &
IF Return Loss @ LO = +13 dBm
0
Conversion Gain
-5
-10
RESPONSE (dB)
-15
-20
0 0.1 0.2 0.3 0.4 0.5 0.6
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
IF Return Loss
IF FREQUENCY (GHz)
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250 -3373
-30
0 0.5 1 1.5 2 2.5
P1dB vs. Temperature @ LO = +13 dBm
15
14
13
12
11
10
9
P1dB (dBm)
8
7
6
5
0.5 0.7 0.9 1.1 1.3 1.5 1.7
Order On-line at www.hittite.com
FREQUENCY (GHz)
FREQUENCY (GHz)
+25 C
+85 C
-40 C
8 - 153
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