HMC795LP5E Datasheet PDF - Hittite Microwave
| Part Number | HMC795LP5E | |
| Description | SiGe Wideband direct Quadrature Modulator w/ vGa | |
| Manufacturers | Hittite Microwave | |
| Logo |  |
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There is a preview and HMC795LP5E download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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v00.0409
HMC795LP5Ewww.DataSheet4U.com
SiGe Wideband Direct Quadrature
Modulator w/ vga, 50 - 2800 MHz
10
10 - 1
Typical Applications
The HMC795LP5E is ideal for:
• UMTS, GSM or CDMA Basestations
• Fixed Wireless or WLL
• ISM Transceivers, 900 & 2400 MHz
• GMSK, QPSK, QAM, SSB Modulators
• Cellular/3G and WiMAX/4G
• Microwave IFs
Features
High Linearity OIP3: + 22 dBm
High Output Power: +10 dBm Output P1dB
High Carrier Suppression: 55 dBc
High Sideband Suppression: 53 dBc
Read/Write Serial Port Interface (SPI)
SPI & 6-bit parallel port programmable
32 dB Gain Control
DC - 440 MHz Baseband Input
32 Lead 5x5 mm QFN Package: 25 mm2
Functional Diagram
General Description
The HMC795LP5E is a variable gain, direct quadrature
modulator ideal for digital modulation applications
from 50 - 2800 MHz including: Cellular/3G, Broadband
Wireless Access and ISM circuits. Housed in a compact
5x5mm (LP5) SMT QFN package, the modulator
offers a high level of integration, exceptionally low
carrier feedthrough, and a low cost alternative to more
complicated double upconversion architectures.
The LO requires -9 to +3 dBm and can be driven
in either differential or single-ended mode. The
baseband inputs will support modulation inputs from
DC - 440 MHz.
The differential RF output port is driven by a 6 bit
digital controlled variable gain amplifier to nominally
provide up to 32 dB of very linear gain control in 0.5 dB
steps. The low carrier suppression is maintained over
the VGA dynamic range. The gain control interface
accepts either three wire serial input or 6 bit parallel
word. In addition, the gain control can be modified
through the SPI to adjust a look up table to control the
gain step to as low as 0.1 dB, with reduced range, or
to adjust individual gain steps for system linearization.
Electrical Specifications, See Test Conditions on Following Page
Parameter
RF Frequency
Output Power
Output P1dB
Output IP3
Carrier Feedthrough (Uncal)
Carrier Feedthrough (Cal)
Sideband Suppression (Uncal)
Output Noise Floor @ 20 MHz offset
RF Return Loss
LO Return Loss
Min.
8
13
23
-40
-55
43
-10
-10
Typ.
1000
9.5
14
25
-45
-62
55
-158
-14
-15
Max.
11
-157
Min.
7
9
18
-42
-55
49
-10
-10
Typ.
1950
9
11
22
-46
-62
53
-156
-12
-15
Max.
11
-155
Min.
4
9
17
-42
-52
45
-10
-10
Typ.
2690
8
11
22
-46
-57
50
-154
-12
-12
Max.
11
-153
Units
MHz
dB
dBm
dBm
dBm
dBm
dBc
dBm/Hz
dB
dB
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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10
10 - 5
v00.0409
HMC795LP5Ewww.DataSheet4U.com
SiGe Wideband Direct Quadrature
Modulator w/ vga, 50 - 2800 MHz
Output Power, Output IP3 & Sideband
Suppression vs. Freq. over Temperature [1]
40 0
30
OUTPUT IP3
+25 C
+85 C
-10
-40 C
20 -20
OUTPUT POWER
10 -30
0 -40
SIDEBAND SUPPRESSION
-10 -50
-20
1800
1850
1900
1950 2000 2050 2100
FREQUENCY (MHz)
2150
-60
2200
Output Power & Output Noise @ 1950 MHz
vs. VGA Attenuation MHz over Temperature [1]
20 -120
10 OUTPUT POWER
0
+25 C
+85 C
-40 C
-130
-140
-10 -150
-20 -160
-30
OUTPUT NOISE
-170
-40
0 4 8 12 16 20 24
ATTENUATION (dB)
Output Power & Output Noise
@ 1950 MHz vs. Input Baseband
Amplitude over Temperature [1]
20
OP1dB 10.9 dBm
15 +25 C OP1dB 11.6 dBm
+85 C OP1dB 11.8 dBm
10 -40 C
5 OUTPUT POWER
28
-180
32
-140
-145
0
OUTPUT NOISE
-150
-5
-10 -155
-15
-20
0.1
-160
1 23
INPUT BASEBAND AMPLITUDE (Vp-p diff)
Uncalibrated & Calibrated Carrier
Feedthrough vs. Freq. over Temperature [1]
-40
UNCALIBRATED
-45
-50
-55
-60
-65
CALIBRATED
-70 +25 C
+85 C
-75 -40 C
-80
1800 1850 1900 1950 2000 2050 2100 2150 2200
FREQUENCY (MHz)
Carrier Feedthrough & Sideband
Suppression @ 1950 MHz vs. VGA
Attenuation over Temperature [1]
-50 -40
-55
CARRIER
-60 FEEDTHROUGH
+25 C
+85 C
-40 C
-45
-65
-70 -50
-75
SIDEBAND
-80 SUPPRESSION
-85
-55
-90 -60
0 4 8 12 16 20 24 28 32
ATTENUATION (dB)
Carrier Feedthrough & Sideband
Suppression @ 1950 MHz vs. Input
Baseband Amplitude over Temperature [1]
-40
CARRIER
FEEDTHROUGH
-45
-30
-35
-50 -40
-55
SIDEBAND
-45
SUPPRESSION
-60 -50
-65
-70
0.1
+25 C
+85 C
-40 C
12
INPUT BASEBAND AMPLITUDE (Vp-p diff)
3
-55
-60
[1] Output Matched to 1950 MHz
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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| Part Number | Description | MFRS |
| HMC795LP5E | The function is SiGe Wideband direct Quadrature Modulator w/ vGa. Hittite Microwave | |
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