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PDF SPM-1045 Data sheet ( Hoja de datos )
| Número de pieza | SPM-1045 | |
| Descripción | High Linearity Passive FET Mixer | |
| Fabricantes | Sirenza Microdevices | |
| Logotipo |  |
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Product Description
The Sirenza SPM-1045 is a passive mixer designed for
systems that require high linearity up- and down-conver-
sion. It employs proprietary silicon FETs with proven reli-
able core-and-wire baluns. It operates efficiently over a
wide range of Local Oscillator powers, with input third
order intercept remaining approximately 15-20 dB above
LO power. This product is packaged in a standard surface
mount module for excellent RF performance.
Preliminary Data Sheet
SPM-1045
High Linearity Passive FET Mixer
Functional Block Diagram
RF IF
LO
Product Features
• Excellent linearity.
• Predictable conversion loss vs. LO power.
• Usable with a LO power from +10dBm to
+17dBm.
Applications
• North American Cellular upconverters and
downconverters
Product Specifications: Down-converter
Test Conditions: FLO = 750MHz FIF = 100MHz Frf = 850MHz Plo = 17dBm
Parameters
Test Conditions
Unit
Min.
Typ.
Max.
RF Input Frequency Range
MHz
500
1000
LO Frequency
MHz
700
800
IF Output Frequency
MHz
50
500
RF Return Loss
Frf = 850 MHz
dB 7
LO Return Loss
Flo = 750 MHz
dB 12
IF Return Loss
Fif = 100 MHz
dB 10
Conversion Loss
Frf = 850 MHz
7.5 10
SSB Noise Figure
7.5 10
TOI (Input)
Plo=10dBm
dBm
27
Plo=14dBm
dBm
32
Plo=17dBm
dBm
32
P1dB (input)
Plo=17dBm
dBm
20
LO-RF isolation
750MHz
dB 50
LO-IF isolation
750MHz
dB 30
RF-IF isolation
850MHz
dB 30
LO Power
See graphs for performance vs. LO power
dBm
17
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or ommisions.
Sirenza Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without
notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product
for use in life-support devices and/or systems.
Copyright 2002 Sirenza Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
http://www.sirenza.com
1 EDS102960 Rev A
1 page  
RFFreq. MHz
RFFreq. MHz
Conversion Loss, dB
850
(Down-converter)
800 Plo=17dBm
750
LO
700 Freq.
MHz
650
600
550
9.5-10
9-9.5
8.5-9
8-8.5
7.5-8
7-7.5
850 Input Intercept, dBm
(Down-converter)
800 Plo=17dBm
750
LO
700 Freq.
MHz
650
600
550
34-36
32-34
30-32
28-30
26-28
24-26
22-24
Preliminary Data Sheet
SPM-1045 High Linearity Mixer
RFFreq. MHz
8C50onversion Loss, dB
825 (Up-converter)
800 Plo=17dBm
775
750
725 LO
700 Freq.
675 MHz
650
625
9.5-10
9-9.5
8.5-9
600 8-8.5
575 7.5-8
550 7-7.5
RF Freq. MHz
Input Intercept, dBm
850
(Up-converter)
800 Plo=17dBm
750
LO
700 Freq.
MHz
650
600
550
34-36
32-34
30-32
28-30
26-28
TOI vs. Temperature
34
33
32
31
30
-50 -30 -10 10 30 50 70 90
Temperature
Insertion Loss vs. Temperature
9
8.5
8
7.5
7
-50 -30 -10 10 30 50
Temperature
70
90
The contour graphs show mixer input TOI and conversion loss over a variety of RF and LO frequencies. These contour
graphs can be used to assess the suitability of these mixers over a variety of frequencies of operation. Note that constant IF
frequency curves can be overlaid as diagonal lines. Also shown are graphs of TOI and insertion loss vs. temperature.
These curves were measured down-converter mode, with 750MHz LO, 850MHz RF and 14dBm LO power.
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
5
http://www.sirenza.com
EDS102960 Rev A
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SPM-1045.PDF ] | |
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