Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Analog/Digital VGA
RECOMMENDED AC OPERATING CONDITIONS
PARAMETER
RF Frequency
SYMBOL
f RF
(Note 5)
CONDITIONS
MIN
50
TYP
MAX
1000
UNITS
MHz
5.0V 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 = 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
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
f RF = 50MHz
f RF = 100MHz
f RF = 200MHz
20.3
19.9
19.4
Small-Signal Gain
G
f RF = 350MHz, T C = +25 N C
17.0
18.9
21.0
dB
f RF = 450MHz
f RF = 750MHz
f RF = 900MHz
18.6
17.8
16.5
Gain vs. Temperature
From 100MHz to 200MHz
-0.01
0.5
dB/ N C
Gain Flatness vs. Frequency
Any 100MHz frequency band from 200MHz
to 500MHz
f RF = 50MHz
f RF = 100MHz
f RF = 200MHz
0.34
6.4
6.8
7.3
dB
Noise Figure
NF
f RF = 350MHz
7.6
dB
f RF = 450MHz
f RF = 750MHz
f RF = 900MHz
7.8
8.7
9.0
Total Attenuation Range
Analog and digita l combined
64.1
dB
Output Second-Order Intercept
Point
OIP2
P OUT = 0dBm/tone, D f = 1MHz, f 1 + f 2
52.1
dBm
RF input 1 amplified power measured at RF
output 2 relative to RF output 1, all unused
48.6
Path Isolation
ports terminated t o 50 I
RF input 2 amplified signal measured at RF
output 1 relative to RF output 2, all unused
ports terminated t o 50 I
P OUT = 0dBm/ton e , D f = 1MHz, f RF = 50MHz
P OUT = 0dBm/tone        , D f = 1MHz, f RF = 100MHz
47.7
47.5
43.4
dB
Output Third-Order Intercept
Point
OIP3
P OUT = 0dBm/tone        , D f = 1MHz, f RF = 200MHz
P OUT = 0dBm/tone        , D f = 1MHz, f RF = 350MHz
P OUT = 0dBm/tone        , D f = 1MHz, f RF = 450MHz
41.3
37.4
35.1
dBm
P OUT = 0dBm/tone        , D f = 1MHz, f RF = 750MHz
P OUT = 0dBm/tone        , D f = 1MHz, f RF = 900MHz
28.8
25.8
Output -1dB Compression Point
P 1dB
f RF = 350MHz, T C = +25 N C (Note 7)
17
18.8
dBm
_______________________________________________________________________________________
3
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