LT5503EFE-TRPBF データシートの表示（PDF） - Linear Technology
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LT5503EFE-TRPBF Datasheet PDF : 20 Pages
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LT5503
TYPICAL PERFOR A CE CHARACTERISTICS (Mixer)
VCC2 = 3VDC, MIXEN = high, DMODE = low (LO2 ÷ 2mode), TA = 25°C, unless otherwise noted. (Test circuit shown in Figure 2.)
RF Output Power and LO1
Feedthrough 1.9GHz Matching
–12
0
OUTPUT
POWER
–14
–10
–16
–20
–18
LO1
FEEDTHROUGH
–20
LO2IN = 480MHz AT –18dBm
LO1IN = fRF –240MHz AT –12dBm
–22
1650 1750 1850 1950 2050
RF OUTPUT FREQUENCY (MHz)
–30
–40
–50
2150
5503 G35
Small-Signal Conversion Gain
and IIP3 1.9GHz Matching
6
–3
4
SMALL-SIGNAL
–6
CONVERSION
GAIN
2
–9
0
–12
IIP3
–2
LO2IN = 480MHz AT –18dBm
LO1IN = fRF –240MHz AT –30dBm/TONE
–4
1650 1750 1850 1950 2050
RF OUTPUT FREQUENCY (MHz)
–15
–18
2150
5503 G36
LO1IN and MIXRFOUT Return Loss
1.9GHz Matching
0
–5
–10
–15
MIXRFOUT
–20
LO1IN
–25
–30
1100 1300 1500 1700 1900 2100 2300 2500
FREQUENCY (MHz)
5503 G37
RF Output Power and LO1
Feedthrough 2.4GHz Matching
–12
0
OUTPUT
–14
POWER
–10
–16
–20
LO1
FEEDTHROUGH
–18
–30
–20
–22
2250
–40
LO2IN = 750MHz AT –18dBm
LO1IN = fRF –375MHz AT –12dBm
–50
2350
2450
2550
2650
RF OUTPUT FREQUENCY (MHz)
5503 G38
Small-Signal Conversion Gain
and IIP3 2.4GHz Matching
6
–3
4
SMALL-SIGNAL
–6
CONVERSION
GAIN
2
–9
0
IIP3
–12
–2
LO2IN = 750MHz AT –18dBm
LO1IN = fRF –375MHz AT –30dBm/TONE
–4
2250
2350
2450
2550
RF OUTPUT FREQUENCY (MHz)
–15
–18
2650
5503 G39
MIXEN Input Current vs Enable
Voltage (MIXEN = VCC2)
300
270
TA = 85°C
240
210
TA = –40°C
180
150
TA = 25°C
120
90
60
30
1.8
2.5
3.2
3.9
4.6
5.3
MIXEN VOLTAGE (V)
5503 G41
LO1 and MIXRFOUT Return Loss
2.4GHz Matching
0
–5
–10
–15
MIXRFOUT
LO1
–20
–25
–30
1450 1650 1850 2050 2250 2450 2650 2850
FREQUENCY (MHz)
5503 G40
5503f
9
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