1700MHz to 2200MHz High-Linearity,
SPI-Controlled DVGA with Integrated Loopback Mixer
Typical Operating Characteristics (continued)
(MAX2059 Typical Application Circuit , V CC = +4.75V to +5.25V, digital attenuators set for maximum gain, 1700MHz ≤ f RF ≤ 2200MHz,
40MHz ≤ f LO ≤ 100MHz, T C = -40°C to +85°C. Typical values are at V CC = 5.0V, P IN = 0dBm, f RF = 1850MHz, f LO = 95MHz, f LBOUT =
f RF - f LO , and T C = +25°C, unless otherwise noted.)
0
ATTEN B ONLY (NO PC BOARD LOSS)
GAIN vs. RF FREQUENCY
3
ATTEN B ONLY
ABS ACCURACY vs. RF FREQUENCY
1.0
ATTEN B ONLY
REL ACCURACY vs. RF FREQUENCY
2
0.5
-10
1
0
-1
0
-20
-30
-2
-3
-4
-0.5
-1.0
24dB ATTEN
-5
STATES 24dB–31dB
-1.5
-40
1500 1600 1700 1800 1900 2000 2100 2200 2300
RF FREQUENCY (MHz)
-6
ATTEN
1500 1600 1700 1800 1900 2000 2100 2200 2300
RF FREQUENCY (MHz)
-2.0
1500 1600 1700 1800 1900 2000 2100 2200 2300
RF FREQUENCY (MHz)
220
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(MIXER DISABLED)
240
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(MIXER ENABLED)
T C = +85 ° C
T C = +25 ° C
210
200
190
180
170
T C = +85 ° C
T C = +25 ° C
230
220
210
200
190
160
T C = +5 ° C
T C = -40 ° C
180
T C = +5 ° C
T C = -40 ° C
4.750
4.875
5.000
5.125
5.250
4.750
4.875
5.000
5.125
5.250
V CC (V)
V CC (V)
_______________________________________________________________________________________
9
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