MRFIC1804R2 데이터 시트보기 (PDF) - Motorola => Freescale
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MRFIC1804R2 Datasheet PDF : 6 Pages
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TYPICAL CHARACTERISTICS
(VDD = 3 V)
18.5
0 16
fRF = 1900 MHz
18 fLO = 1790 MHz
–1
Gain
17.5
Conversion Gain
– 2 15
17
–3
14
NF
16.5
–4
16
1 dB
– 5 13
15.5
–6
15
– 35
–15
5
25
45
65
T, TEMPERATURE (°C)
–7
85
121.7
Figure 3. Downconverter Conversion Gain (less Image
Filter) and 1 dB Compression versus Temperature
1.75
1.8
1.85
1.9
1.95
f, FREQUENCY (GHz)
Figure 4. LNA Gain and Noise Figure
versus Frequency
2.17
2.16
2.15
2.14
2.13
2.12
2.11
2
6
0
6
Conversion Gain
4
–2
1 dB
2
–4
fIF = 110 MHz
fRF = 1900 MHz
fLO = 1790 MHz
0
– 35
–10
25
55
T, TEMPERATURE (°C)
–6
85
Figure 5. Mixer Conversion Gain and 1 dB
Compression versus Temperature
5
4
3
2
1
0
–10
– 7.5
fIF = 110 MHz
fRF = 1900 MHz
fLO = 1790 MHz
PRF = –10 dBm
–5
– 2.5
0
PLO, LO POWER (dBm)
Figure 6. Mixer RF to IF Conversion Gain
versus LO Power
6
5
fIF = 110 MHz
4
240 MHz
3
2
1
fRF = fLO – IF
PRF = –10 dBm
0
1.7
1.75
1.8
1.85
1.9
1.95
2
fRF, RF FREQUENCY (GHz)
Figure 7. Mixer RF to IF Conversion Gain
versus RF Frequency
–15
fIF = 110 MHz
–17
fRF = 1900 MHz
PLO = – 5 dBm
–19
– 21
– 23
– 25
– 27
1.7
1.75
1.8
1.85
1.9
1.95
2
f, FREQUENCY (GHz)
Figure 8. Mixer LO to IF Feed Through
versus RF Frequency
MRFIC1804
4
MOTOROLA RF DEVICE DATA
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