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PDF HMC908LC5 Data sheet ( Hoja de datos )
| Número de pieza | HMC908LC5 | |
| Descripción | GaAs MMIC I/Q Downconverter | |
| Fabricantes | Hittite Microwave | |
| Logotipo |  |
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v03.0614
HMC908LC5
GaAs MMIC I/Q DOWNCONVERTER
9 - 12 GHz
Typical Applications
The HMC908LC5 is ideal for:
• Point-to-Point and Point-to-Multi-Point Radio
• Military Radar, EW & ELINT
• Satellite Communications
• Maritime & Mobile Radio
Features
Conversion Gain: 11 dB
Image Rejection: 25 dB
LO to RF Isolation: -50 dB
Noise Figure: 2.2 dB
Input IP3: +2 dBm
32 Lead 5x5mm Ceramic SMT Package: 25mm²
Functional Diagram
General Description
The HMC908LC5 is a compact GaAs MCM I/Q
downconverter in a leadless RoHS compliant SMT
ceramic package. This device provides a small signal
conversion gain of 11 dB with a noise figure of 2.2 dB
and 25 dB of image rejection. The HMC908LC5
utilizes an LNA followed by an image reject mixer
which is driven by an LO buffer amplifier. The image
reject mixer eliminates the need for a filter following the
LNA, and removes thermal noise at the image fre-
quency. I and Q mixer outputs are provided and
an external 90° hybrid is needed to select the
required sideband. The HMC908LC5 is a much
smaller alternative to hybrid style image reject mixer
downconverter assemblies, and it eliminates the need
for wire bonding by allowing the use of surface mount
manufacturing techniques.
Electrical Specifications,
IF = 100 MHz, LO = 0 dBm,
VTDA 1=
+25 °C,
= VD2 =
3V,
VD3
=
5V*
Parameter
Frequency Range, RF
Frequency Range, LO
Frequency Range, IF
Conversion Gain (As IRM)
Noise Figure
Image Rejection
1 dB Compression (Input)
LO to RF Isolation
LO to IF Isolation
IP3 (Input)
Amplitude Balance
Phase Balance
Supply Current (ID1 + ID2)
Supply Current (ID3)
*Data taken as IRM with external IF Hybrid
Min.
8
15
40
5
-3
Typ.
9 - 12
5.5 - 15.5
DC - 3.5
11
2.2
25
-5
50
10
2
±1
±6
60
100
Max.
88
120
Units
GHz
GHz
GHz
dB
dB
dB
dBm
dB
dB
dBm
dB
Deg
mA
mA
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
1
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
1 page  
v03.0614
HMC908LC5
GaAs MMIC I/Q DOWNCONVERTER
9 - 12 GHz
Pin Descriptions
Pin Number
1, 5, 7 - 9,
13 - 16, 22 - 27,
30 - 32
Function
N/C
2, 4, 10, 12,
17, 19, 21
GND
3 RF
6 VD3
Description
The pins are not connected internally; however, all data
shown herein was measured with these pins connected
to RF/DC ground externally.
These pins and ground paddle must
be connected to RF/DC ground.
This pin is AC coupled and matched to 50 Ohms.
Power supply for LO amplifier.
28, 29
18
20
11
VD1, VD2
Power supply for RF LNA.
This pin is DC coupled. For applications not requir-
IF2 ing operation to DC, this port should be DC blocked
externally using a series capacitor whose value has
been chosen to pass the necessary frequency range.
For operation to DC, this pin must not sink / source more
IF1 than 3 mA of current or part non-function and possible
failure will result.
LO This pin is AC coupled and matched to 50 Ohms.
Interface Schematic
Typical Application
Note: LSB and USB is determined by GND on Hybrid
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
5
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HMC908LC5.PDF ] | |
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