MAX2021ETX-T 查看數據表（PDF） - Maxim Integrated
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MAX2021ETX-T
Maxim Integrated
MAX2021ETX-T Datasheet PDF : 14 Pages
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High-Dynamic-Range, Direct Up-/Downconversion
750MHz to 1200MHz Quadrature Mod/Demod
Typical Operating Characteristics (continued)
(MAX2021 Typical Application Circuit, VCC = +4.75V to +5.25V, GND = 0V, I/Q differential inputs driven from a 100Ω DC-coupled
source, 0V common-mode input, PLO = 0dBm, 750MHz ≤ fLO ≤ 1200MHz, 50Ω LO and RF system impedance, R1 = 432Ω, R2 = 619Ω,
R3 = 332Ω, TC = -40°C to +85°C. Typical values are at VCC = +5V, VBBI = 1.4VP-P differential, VBBQ = 1.4VP-P differential, fIQ = 1MHz,
fLO = 900MHz, TC = +25°C, unless otherwise noted.)
MODULATOR
OUTPUT IP3 vs. LO FREQUENCY
30
TC = +25°C
PLO = -3dBm
25
PLO = +3dBm
OUTPUT IP3
vs. COMMON-MODE VOLTAGE
26
fLO = 900MHz, PLO = 0dBm
25
24
OUTPUT IP3
vs. COMMON-MODE VOLTAGE
26
fLO = 1000MHz
25
24
20
23
23
PLO = -6dBm
22
22
15
PLO = 0dBm
21
21
10
750
825 900 975 1050 1125 1200
LO FREQUENCY (MHz)
OUTPUT IP2 vs. LO FREQUENCY
80
TC = -40°C
70
20
-3.50
-1.75
0
1.75
3.50
COMMON-MODE VOLTAGE (V)
OUTPUT IP2 vs. LO FREQUENCY
80
VCC = 5.25V
70
20
-3.50
-1.75
0
1.75
3.50
COMMON-MODE VOLTAGE (V)
OUTPUT IP2 vs. LO FREQUENCY
80
PLO = +3dBm
70
TC = +25°C
60
60
VCC = 5.0V
60
PLO = -6dBm
50
TC = +85°C
40
750
825 900 975 1050 1125 1200
LO FREQUENCY (MHz)
OUTPUT IP2
vs. COMMON-MODE VOLTAGE
80
fLO = 900MHz
75
70
65
60
50
VCC = 4.75V
40
750
825 900 975 1050 1125 1200
LO FREQUENCY (MHz)
OUTPUT IP2
vs. COMMON-MODE VOLTAGE
70
fLO = 1000MHz
65
60
55
50
PLO = 0dBm
PLO = -3dBm
40
750
825 900 975 1050 1125 1200
LO FREQUENCY (MHz)
MODULATOR OUTPUT POWER
vs. INPUT POWER
20
INPUT SPLIT BETWEEN I AND Q,
fIF = 25MHz, fLO = 900MHz
15
10
5
VCC = 4.75V, 5.0V, 5.25V
0
55
-3.50
-1.75
0
1.75
3.50
COMMON-MODE VOLTAGE (V)
50
-3.50
-1.75
0
1.75
3.50
COMMON-MODE VOLTAGE (V)
-5
10 13 16 19 22 25 28
INPUT POWER (dBm)
_______________________________________________________________________________________ 5
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