SPM-2045 Просмотр технического описания (PDF) - Stanford Microdevices
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SPM-2045 Datasheet PDF : 9 Pages
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TOI vs. Frequency, High Side LO
Down-converter
40
35
20dBm
17dBm
30
14dBm
25
1700
1800
1900 2000
RF Frequency
2100
2200
Preliminary Data Sheet
SPM-2045 High Linearity Mixer
TOI vs. Frequency, High Side LO
Up-converter
35
30
25
20
1700
1800
1900 2000
RF Frequency
2100
2200
20dBm
17dBm
14dBm
TOI vs. Frequency, Low Side LO
Down-converter
40
35
20dBm
17dBm
30
14dBm
25
1700
1800
1900 2000
RF Frequency
2100
2200
TOI vs. Frequency, Low Side LO
Up-converter
35
30
20dBm
17dBm
25
14dBm
20
1700
1800
1900 2000
RF Freqyency
2100
2200
TOI vs. LO Power, Down-converter
RF=1900MHz, IF=150MHz
40
35
30
25
High side lo
Low side lo
20
15
5
10
15
20
LO Power, dBm
TOI vs. LO Power, Up-converter
RF=1900MHz, IF=150MHz
40
35
30
25
High side lo
Low side lo
20
15
5
10
15
20
LO Power, dBm
These graphs show mixer Third Order Intercept (TOI) vs. frequency referenced to the input of the mixer (that is, referenced
to the RF port in the case off a down-converter, or the IF port in the case of an up-converter), with both low-side LO excita-
tion (LO frequency below the RF frequency) and high side excitation (LO frequency above the RF frequency). Operation
both as a down-converter and an up-converter is shown, with LO powers of 14, 17, and 20dBm. In all cases, the IF fre-
quency is 150MHz. The RF power used in measuring third order intercept is +4dBm. Note that third order products closely
follow the expected 3:1 slope.
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
4
http://www.sirenza.com
EDS102972 Rev A
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