Preliminary Data Sheet
Product Description
SPM-1045
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.
High Linearity Passive FET Mixer
Functional Block Diagram
Product Features
IF
RF
Excellent linearity.
•
Predictable conversion loss vs. LO power.
•
LO
•
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
RF Input Frequency Range
LO Frequency
Test Conditions
Unit
MHz
MHz
MHz
dB
Min.
500
700
50
Typ.
Max.
1000
800
IF Output Frequency
RF Return Loss
500
Frf = 850 MHz
Flo = 750 MHz
Fif = 100 MHz
Frf = 850 MHz
7
LO Return Loss
dB
12
10
7.5
7.5
27
32
32
20
50
30
30
IF Return Loss
dB
Conversion Loss
SSB Noise Figure
TOI (Input)
10
10
Plo=10dBm
dBm
dBm
dBm
dBm
dB
Plo=14dBm
Plo=17dBm
P1dB (input)
LO-RF isolation
LO-IF isolation
RF-IF isolation
LO Power
Plo=17dBm
750MHz
750MHz
dB
850MHz
dB
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
1
http://www.sirenza.com
EDS102960 Rev A