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)
2.4GHz matching, MODEN = high, GC1 = GC2 = low (max gain), MODRFIN = 2.45GHz, (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.)
SSB Output Power vs Input Power
VCC1 = 1.8V
–2
TA = 25°C
–4
–6
TA = –40°C
–8
–10
TA = 85°C
–12
–14
–16
–18
–20
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G08
SSB Output Power vs Input Power
VCC1 = 3V
0
–2
TA = 25°C
–4 TA = –40°C
–6
–8
TA = 85°C
–10
–12
–14
–16
–18
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G11
SSB Output Power vs Input Power
VCC1 = 5.25V
0
–2
TA = –40°C
–4
TA = 25°C
–6
–8
TA = 85°C
–10
–12
–14
–16
–18
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G14
6
Carrier Suppression vs Input Power
VCC1 = 1.8V
–20
–30
TA = 25°C
TA = –40°C
–40
TA = 85°C
–50
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G09
Carrier Suppression vs Input Power
VCC1 = 3V
–20
–30
TA = 25°C
TA = –40°C
–40
TA = 85°C
–50
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G12
Carrier Suppression vs Input Power
VCC1 = 5.25V
–20
–30
TA = 25°C
TA = –40°C
–40
TA = 85°C
–50
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G15
For more information www.linear.com/LT5503
Image Suppression vs Input
Power VCC1 = 1.8V
–20
–30
TA = 25°C
TA = –40°C
–40
TA = 85°C
–50
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G10
Image Suppression vs Input Power
VCC1 = 3V
–20
–30
TA = 25°C
TA = –40°C
–40
TA = 85°C
–50
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G13
Image Suppression vs Input Power
VCC1 = 5.25V
–20
–30
TA = –40°C
–40
TA = 25°C
TA = 85°C
–50
–24 –22 –20 –18 –16 –14 –12 –10
MODRFIN INPUT POWER (dBm)
5503 G16
5503fa
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