Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Analog/Digital VGA
3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS (Each Path, Unless Otherwise Noted)
( Typical Application Circuit , V CC = V CC_AMP_1 = V CC_AMP_2 = V CC_RG = 3.135V to 3.465V, attenuators are set for maximum gain,
RF ports are driven from 50 I sources, AMPSET = 1, PD_1 = PD_2 = 0, 100MHz P f RF P 500MHz, T C = -40 N C to +85 N C. Typical
values are at maximum gain setting , V CC_ = 3.3V, P IN = -20dBm, f RF = 350MHz, and T C = +25 N C, unless otherwise noted.) (Note 6)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Small-Signal Gain
18.8
dB
Output Third-Order Intercept Point
Noise Figure
Total Attenuation Range
OIP3
P OUT = 0dBm/tone
29.4
7.8
64.1
dBm
dB
dB
RF input 1 amplified power measured at RF
output 2 relative to RF output 1, all unused
49.1
Path Isolation
ports terminated to 50 I
RF input 2 amplified signal measured at RF
output 1 relative to RF output 2, all unused
ports terminated to 50 I
48.0
dB
Output -1dB Compression Point
P 1dB
(Note 7)
13.4
dBm
Note 5: Operation outside this range is possible, but with degraded performance of some parameters. See the Typical Operating
Characteristics section.
Note 6: All limits include external component losses. Output measurements are performed at the RF output port of the Typical
Application Circuit .
Note 7: It is advisable not to continuously operate the RF input 1 or RF input 2 above +15dBm.
Typical Operating Characteristics
( Typical Application Circuit , V CC = V CC_AMP_1 = V CC_AMP_2 = V CC_RG = 5.0V , attenuators are set for maximum gain, RF ports are
driven from 50 I sources, AMPSET = 0, PD_1 = PD_2 = 0, P IN = -20dBm, f RF = 350MHz, and T C = +25 N C, unless otherwise noted.)
SUPPLY CURRENT vs. V CC
GAIN vs. RF FREQUENCY
GAIN vs. RF FREQUENCY
170
22
NOTCH DUE TO SELF-RESONANCE OF
22
160
T C = -40°C
21
20
BIAS COIL. SEE TABLE 7.
T C = -40°C
21
20
V CC = 4.75V, 5.00V, 5.25V
19
19
150
140
T C = +25°C
T C = +85°C
18
17
16
T C = +25°C
T C = +85°C
18
17
16
15
15
130
4.750
4.875
5.00
5.125
5.250
14
50
250
450
650
850
1050
14
50
250
450
650
850
1050
V CC (V)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
6
______________________________________________________________________________________
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