LT5503(RevA) データシートの表示（PDF） - Linear Technology
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LT5503 Datasheet PDF : 22 Pages
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LT5503
Typical Performance Characteristics (I/Q Modulator)
VCC1 = 3VDC, MODEN = high, TA = 25°C, PMODRFIN = –16dBm, (I–IB) and (Q–QB) = 100kHz sine at 1VP-P differential, Q leads I by 90°,
unless otherwise noted. (Test circuit shown in Figure 2.)
Output Power vs Frequency
1.2GHz Matching
0
–2 GC2, GC1 = 00
–4
–6
01
–8
–10
–12
10
–14
–16
11
–18
–20
1000
1100
1200
1300
MODRFIN FREQUENCY (MHz)
1400
5503 G17
Carrier Feedthrough vs Frequency
1.2GHz Matching
–30
GC2, GC1 = 00
–40
01
10
–50
11
–60
1000
1100
1200
1300
MODRFIN FREQUENCY (MHz)
1400
5503 G18
SSB Image vs Frequency
1.2GHz Matching
–30
GC2, GC1 = 00
–40
01
10
11
–50
–60
1000
1100
1200
1300
MODRFIN FREQUENCY (MHz)
1400
5503 G19
Output Power vs Frequency
1.9GHz Matching
2
0
GC2, GC1 = 00
–2
–4
–6
01
–8
–10
10
–12
–14
11
–16
–18
1650
1750 1850 1950 2050
MODRFIN FREQUENCY (MHz)
2150
5503 G20
Output Power vs Frequency
2.4GHz Matching
0
–2
GC2, GC1 = 00
–4
–6
01
–8
–10
10
–12
–14
11
–16
–18
2250
2350
2450
2550
MODRFIN FREQUENCY (MHz)
2650
5503 G23
Carrier Feedthrough vs Frequency
1.9GHz Matching
–30
GC2, GC1 = 00
01
–40
10
–50
11
–60
1650
1750 1850 1950 2050
MODRFIN FREQUENCY (MHz)
2150
5503 G21
Carrier Feedthrough vs Frequency
2.4GHz Matching
–30
GC2, GC1 = 00
01
–40
10
11
–50
–60
2250
2350
2450
2550
MODRFIN FREQUENCY (MHz)
2650
5503 G24
For more information www.linear.com/LT5503
SSB Image vs Frequency
1.9GHz Matching
–30
GC2, GC1 = 00
–40
01
10
11
–50
–60
1650
1750 1850 1950 2050
MODRFIN FREQUENCY (MHz)
2150
5503 G22
SSB Image vs Frequency
2.4GHz Matching
–30
GC2, GC1 = 00
–40
01
10
11
–50
–60
2250
2350
2450
2550
MODRFIN FREQUENCY (MHz)
2650
5503 G25
5503fa
7
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