AD6459 데이터 시트보기 (PDF) - Analog Devices
부품명
상세내역
제조사
AD6459 Datasheet PDF : 12 Pages
| |||
20
18
16
RIN = 50Ω, IF = 13MHz
RIN = 50Ω, F = 45MHz
14
RIN = 50Ω, IF = 26MHz
RIN = 1kΩ, IF = 13MHz
12
10
8
RIN = 400Ω, IF = 13MHz
6
50 100 150 200 250 300 350 400 450
RF FREQUENCY – dB
Figure 3. Mixer Noise Figure vs. RF Frequency
2000
1800
1600
R SHUNT
VGAIN = 2.2V
5.0
4.8
C SHUNT
VGAIN = 0.2V
4.6
1400
4.4
1200
1000
4.2
C SHUNT
VGAIN = 1.0V
4.0
800
3.8
600
3.6
400
3.4
200
0
50
C SHUNT
R SHUNT
3.2
VGAIN = 2.2V
VGAIN = 0.2V
3.0
100 150 200 250 300 350 400 450 500 550
RF FREQUENCY – MHz
Figure 4. Mixer Input Impedance vs. RF Frequency,
VPOS = 2.7 V, TA = +25°C
20
15
VGAIN = 0.2V
10
VGAIN = 1.0V
5
0
–5
VGAIN = 2.25V
–10
50 100 150 200 250 300 350 400 450
RF FREQUENCY – MHz
Figure 5. Mixer Conversion Gain vs. RF Frequency,
TA = +25°C, VPOS = 2.7 V, VREF = 1.2 V, FIF = 26 MHz
AD6459
20
VGAIN = 0.2V
15
10
VGAIN = 1.0V
5
0
VGAIN = 2.25V
–5
–10
6 10 14 18 22 26 30 34 38 42 46
RF FREQUENCY – MHz
Figure 6. Mixer Conversion Gain vs. IF Frequency,
TA = +25°C, VPOS = 2.7 V, VREF = 1.2 V, FRF = 250 MHz
70
AMP/DEMOD, VPOS = 2.7V
60
AMP/DEMOD, VPOS = 5.5V
50
40
30
20
MIXER, VPOS = 2.7V
10
MIXER, VPOS = 5.5V
0
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE – °C
Figure 7. Mixer Conversion Gain and IF Amplifier/
Demodulator Gain vs. Temperature, VGAIN = 0.2 V,
VREF = 1.2 V , FIF = 26 MHz, FRF = 250 MHz
–9
VPOS = 5.5V
TA = +85°C
–10
–11
–12
VPOS = 2.7V
TA = +25°C
–13
VPOS = 5.5V
TA = +25°C
VPOS = 2.7V
TA = –25°C
–14
VPOS = 5.5V
TA = –45°C
–15
0
0.5
1
1.5
2
2.5
GAIN VOLTAGE – Volts
Figure 8. Mixer Input 1 dB Compression Point vs.
VGAIN, VREF = 1.2 V, FRF = 250 MHz, FIF = 26 MHz
REV. 0
–5–
Share Link: 