
VHF/UHF Low-Noise Amplifiers
AC ELECTRICAL CHARACTERISTICS
(MAX2665 EV kit. V CC = 2.4V to 3.5V, T A = -40 N C to +85 N C, VHF f RFIN = 150MHz. Typical values are at V CC = 2.7V and T A = +25 N C,
unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
MAX2665
Power Gain
Noise Figure
Third-Order Input Intercept Point
(IIP3)
Input 1dB Compression Point
Normal mode
Bypass mode
Normal mode
Bypass mode
Normal mode (Note 4)
Bypass mode (Note 5)
Normal mode
Bypass mode
11.8
-8
15.1
-5.5
1.1
5.5
-12
+26
-11
+6
18
-3
dB
dB
dBm
dBm
Note 1: Min and max limits guaranteed by test at T A = +25 N C and guaranteed by design and characterization at T A = -40 N C and
T A = +85 N C.
Note 2: Tone-1 = 670MHz (-25dBm), Tone-2 = 676MHz (-25dBm).
Note 3: Tone-1 = 670MHz (0dBm), Tone-2 = 676MHz (0dBm).
Note 4: Tone-1 = 150MHz (-25dBm), Tone-2 = 156MHz (-25dBm).
Note 5: Tone-1 = 150MHz (0dBm), Tone-2 = 156MHz (0dBm).
Typical Operating Characteristics
(T A = +25°C, unless otherwise noted. MAX2664 and MAX2665 EV kits.)
MAX2664/MAX2665
I CC vs. V CC
NORMAL MODE, CTRL = V CC
MAX2664/MAX2665
I CC vs. V CC
BYPASS MODE, CTRL = GND
MAX2664/MAX2665
I CC vs. V CTRL
(V CC = 2.7V)
3.5
3.3
3.1
T A = -40°C
1.0
0.9
0.8
100
90
80
2.9
2.7
T A = +25°C
T A = +85°C
0.7
0.6
70
60
CTRL
DECREMENT
CTRL
INCREMENT
2.5
0.5
50
2.3
2.1
1.9
1.7
0.4
0.3
0.2
0.1
T A = -40°C, +25°C, +85°C
40
30
20
10
1.5
1.6
2.1
2.6
3.1
3.6
0
1.8
2.4
3.0
3.6
0
0
1
2
3
V CC (V)
V CC (V)
V CTRL (V)
3