Dual 50MHz to 1000MHz High-Linearity,
Serial/Analog-Controlled VGA
+5V SUPPLY AC ELECTRICAL CHARACTERISTICS (each path, unless otherwise noted)
(continued)
( Typical Application Circuit , V CC = V CC_AMP_1 = V CC_AMP_2 = V CC_RG = +4.75V to +5.25V, attenuators are set for maximum gain,
RF ports are driven from 50 I sources, AMPSET = 0, 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 = +5.0V, P IN = -20dBm, f RF = 350MHz, and T C = +25 N C, unless otherwise noted.) (Note 6)
PARAMETER
Output -1dB Compression Point
SYMBOL
P 1dB
CONDITIONS
f RF = 350MHz, T C = +25 N C (Note 7)
MIN
17
TYP
18.7
MAX
UNITS
dBm
Second Harmonic
Third Harmonic
Group Delay
Amplifier Power-Down Time
Amplifier Power-Up Time
P OUT = +3dBm
P OUT = +3dBm
Includes EV kit PCB delays
PD_1 or PD_2 from 0 to 1, amplifier DC
supply current settles to within 0.1mA
PD_1 or PD_2 from 1 to 0, amplifier DC
supply current settles to within 1%
-56.7
-72.4
0.9
0.5
0.5
dBc
dBc
ns
F s
F s
Input Return Loss
Output Return Loss
RL IN
RL OUT
50 I source
50 I load
16.8
30.7
dB
dB
ANALOG ATTENUATOR (each path, unless otherwise noted)
Insertion Loss
IL
2.2
dB
Input Second-Order Intercept
Point
Input Third-Order Intercept Point
Attenuation Range
Gain Control Slope
Maximum Gain Control Slope
Insertion Phase Change
IIP2
IIP3
P IN1 = 0dBm, P IN2 = 0dBm (minimum
attenuation), D f = 1MHz, f 1 + f 2
P IN1 = 0dBm, P IN2 = 0dBm (minimum
attenuation), D f = 1MHz
Analog control input
Over analog control input range
Over analog control input range
61.9
37.0
32.9
-13.3
-35.2
16.5
dBm
dBm
dB
dB/V
dB/V
Deg/V
31dB to 0dB, AA_SP = 0,
from A_VCTL_ step
500
Attenuator Response Time
RF settled to
within Q 0.5dB
31dB to 0dB, AA_SP = 1,
from CS step
0dB to 31dB, AA_SP = 0,
from A_VCTL_ step
500
500
ns
0dB to 31dB, AA_SP = 1,
from CS step
500
Group Delay vs. Control Voltage
Analog Control Input Range
Analog Control Input Impedance
Input Return Loss
Output Return Loss
Over analog control input from 0.25V to
2.75V
50 I source
50 I load
0.25
-0.26
19.2
16.0
15.9
2.75
ns
V
k I
dB
dB
4
______________________________________________________________________________________
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