MAX2721EUP 查看數據表（PDF） - Maxim Integrated
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MAX2721EUP Datasheet PDF : 24 Pages
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1.7GHz to 2.5GHz, Direct I/Q Modulator with
VGA and PA Driver
Typical Operating Characteristics (continued)
(MAX2720/MAX2721 EV Kit, VCC = +3.0V, SHDN = VCC, ENX2 = GND, VPC = 2.5V, input I/Q signals driven in quadrature, from a
1kΩ source impedance, single-ended, fI+ = fQ+ = 500kHz, VI+ = VQ+ = 200mVp-p, PLO = -13dBm, fLO = 950MHz (MAX2720), fLO =
1157.5MHz (MAX2721), PDRIN = -12dBm, fDRIN = 1900MHz (MAX2720), fDRIN = 2315MHz (MAX2721), MODOUT and DROUT ports
are matched to a 50Ω load, TA = +25°C, unless otherwise noted.) (Note 1)
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
0
MODULATOR OUTPUT POWER
vs. PC VOLTAGE (ENX2 = GND)
TA = -40°C
TA = +25°C
TA = +85°C
0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
MAX2720
MODULATOR CARRIER SUPPRESSION
vs. PC VOLTAGE (ENX2 = GND)
0
-5
-10
-15
-20
TA = +25°C
TA = -40°C
-25
-30
-35
TA = +85°C
-40
0 0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
MODULATOR SIDEBAND SUPPRESSION
vs. PC VOLTAGE (ENX2 = GND)
0
-10
-20
TA = -40°C
-30
-40
TA = +85°C
-55
TA = +25°C
-60
0 0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
0
MODULATOR OUTPUT POWER
vs. PC VOLTAGE (ENX2 = VCC)
TA = -40°C
TA = +25°C
TA = +85°C
0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
MODULATOR CARRIER SUPPRESSION
vs. PC VOLTAGE (ENX2 = VCC)
0
-10
-20
TA = +85°C
-30
TA = -40°C
-40
-50
TA = +25°C
-60
-70
0
0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
MODULATOR SIDEBAND SUPPRESSION
vs. PC VOLTAGE (ENX2 = VCC)
0
-10
-20
TA = +85°C
-30
-40
-50 TA = -40°C
TA = +25°C
-60
0 0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
_______________________________________________________________________________________ 7
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