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)
MAX2720
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
0
MODULATOR OUTPUT POWER
vs. PC VOLTAGE (ENX2 = GND)
1.9GHz
1.7GHz
2.1GHz
0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
MODULATOR CARRIER SUPPRESSION
vs. PC VOLTAGE (ENX2 = GND)
0
-5
-10
-15
-20
2.1GHz
-25
1.9GHz
-30
-35
1.7GHz
-40
0 0.5
1.0 1.5 2.0
PC VOLTAGE (V)
2.5 3.0
MODULATION SIDEBAND SUPPRESSION
vs. PC VOLTAGE (ENX2 = GND)
0
-10
-20
1.9GHz
-30
2.1GHz
-40
-50 1.7GHz
-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)
1.9GHz
1.7GHz
2.1GHz
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
2.1GHz
-30
-40 1.7GHz
-50
1.9GHz
-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
-5
-10
-15
-20
-25
-30
1.9GHz 1.7GHz
-35
-40
-45
2.1GHz
-50
0
0.5 1.0 1.5 2.0 2.5 3.0
PC VOLTAGE (V)
6 _______________________________________________________________________________________
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