lt5503 Linear Technology Corporation, lt5503 Datasheet - Page 6

• Manufacturer Part Number: lt5503
• Description: 1.2ghz To 2.7ghz Direct Iq Modulator And Mixer
• Manufacturer: Linear Technology Corporation

LT5503
2.4GHz matching, MODEN = high, GC1 = GC2 = low (max gain), MODRFIN = 2.45GHz, (I–I
differential, Q leads I by 90 , unless otherwise noted. (Test circuit shown in Figure 2.)
TYPICAL PERFOR A CE CHARACTERISTICS
6
–10
–12
–14
–16
–18
–20
–10
–12
–14
–16
–18
–10
–12
–14
–16
–18
–2
–4
–6
–8
–2
–4
–6
–8
–2
–4
–6
–8
0
0
–24
–24
–24
SSB Output Power vs Input Power
V
SSB Output Power vs Input Power
V
SSB Output Power vs Input Power
V
T
T
CC1
CC1
CC1
A
A
= –40 C
= –40 C
–22
–22
–22
= 1.8V
= 3V
= 5.25V
MODRFIN INPUT POWER (dBm)
MODRFIN INPUT POWER (dBm)
MODRFIN INPUT POWER (dBm)
T
–20
–20
A
–20
= 85 C
T
–18
–18
–18
A
= 85 C
–16
–16
–16
T
A
= –40 C
T
–14
T
–14
–14
T
T
A
A
A
A
= 27 C
= 85 C
W
= 27 C
= 27 C
–12
–12
–12
5503 G08
5503 G14
5503 G11
U
–10
–10
–10
–20
–20
–40
–30
–40
–50
–20
–30
–50
–30
–40
–50
–24
–24
–24
Carrier Suppression vs Input Power
V
Carrier Suppression vs Input Power
V
Carrier Suppression vs Input Power
V
CC1
CC1
CC1
–22
–22
–22
T
= 1.8V
= 3V
MODRFIN INPUT POWER (dBm)
A
MODRFIN INPUT POWER (dBm)
= 5.25V
MODRFIN INPUT POWER (dBm)
= 27 C
T
–20
–20
–20
A
= 85 C
T
T
A
T
T
–18
T
–18
T
–18
A
A
A
A
A
= –40 C
= –40 C
= 27 C
= –40 C
= 85 C
= 27 C
T
A
–16
= 85 C
–16
–16
–14
–14
–14
–12
–12
–12
5503 G12
5503 G09
5503 G15
(I/Q Modulator)
–10
–10
–10
B
) and (Q–Q
–20
–30
–40
–50
–20
–40
–20
–40
–30
–50
–30
–50
–24
–24
–24
Image Suppression vs Input
Power V
Image Suppression vs Input Power
V
Image Suppression vs Input Power
V
T
CC1
CC1
A
= –40 C
B
–22
–22
–22
) = 100kHz sine at 1V
T
= 3V
MODRFIN INPUT POWER (dBm)
MODRFIN INPUT POWER (dBm)
= 5.25V
MODRFIN INPUT POWER (dBm)
A
T
A
= –40 C
= –40 C
CC1
–20
–20
–20
T
T
= 1.8V
A
T
A
A
–18
–18
= 85 C
–18
T
= 27 C
= 85 C
A
= 85 C
T
A
–16
–16
= 27 C
–16
T
A
= 27 C
–14
–14
–14
P-P
–12
–12
–12
5503 G13
5503 G10
5503 G16
–10
–10
–10