700MHz to 1200MHz High-Linearity,
SPI-Controlled DVGA with Integrated Loopback Mixer
Typical Operating Characteristics (continued)
(MAX2058 Typical Application Circuit, VCC = +4.75V to +5.25V, digital attenuators set for maximum gain, 700MHz ≤ fRF ≤ 1200MHz,
40MHz ≤ fLO ≤ 100MHz, TC = -40°C to +85°C. Typical values are at VCC = 5.0V, PIN = 0dBm, fRF = 940MHz, fLO = 45MHz, fLBOUT =
fRF - fLO, and TC = +25°C, unless otherwise noted.)
ATTEN A ONLY
REL ACCURACY vs. RF FREQUENCY
(NMT 450MHz BAND)
1.0
ATTEN B ONLY
GAIN vs. RF FREQUENCY
0
ATTEN B ONLY
GAIN vs. RF FREQUENCY
(NMT 450MHz BAND)
0
0.5
-10
-10
0
-20
-20
-0.5
-30
-30
-1.0
300 350 400 450 500 550
RF FREQUENCY (MHz)
-40
700
800 900 1000 1100 1200
RF FREQUENCY (MHz)
-40
300 350 400 450 500 550
RF FREQUENCY (MHz)
ATTEN B ONLY
ABS ACCURACY vs. RF FREQUENCY
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
700
800 900 1000 1100 1200
RF FREQUENCY (MHz)
ATTEN B ONLY
ABS ACCURACY vs. RF FREQUENCY
(NMT 450MHz BAND)
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
300 350 400 450 500 550
RF FREQUENCY (MHz)
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