CMX994 Datasheet, PDF (39/61 Pages) CML Microcircuits – Local Oscillator

Direct Conversion Receivers
CMX994/CMX994A/CMX994E
Gain Setting
Nominal step size
Max
-6 dB
-12 dB
-18 dB
Gain Cntrl
Step Size
(dB)
Cumulative Variation
Gain from
Change Nominal
(dB)
(dB)
0.0
-6.9
-6.9
-0.9
-5.4
-12.3
-0.3
-4.2
-16.5
1.5
Nominal +0.7 dB
Max
-6 dB
-7.0
-12 dB
-6.7
-18 dB
-4.1
0.0
-7.0
-1.0
-13.7
-1.7
-17.8
0.2
Nominal +1.4 dB
Max
-6 dB
-7.0
-12 dB
-7.9
-18 dB
-4.1
0.0
-7.0
-1.0
-14.9
-2.9
-18.9
-0.9
Nominal +2.8 dB
Max
-6 dB
-7.0
-12 dB
-9.2
-18 dB
-4.0
0.0
-7.0
-1.0
-16.2
-4.2
-20.2
-2.2
Table 15 Typical LNA Gain Step Sizes at 100MHz, Z_O=100Ω
 2015 CML Microsystems Plc
Page 39 of 70
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