Typical operating characteristics (continued), Max2684 – Rainbow Electronics MAX2684 User Manual
Page 8
MAX2683/MAX2684
3.5GHz Downconverter Mixers
with Selectable LO Doubler
8
_______________________________________________________________________________________
-5
-2
-3
-4
-1
0
1
2
3
4
5
-20
-15
-10
-5
0
CONVERSION GAIN vs. LO POWER
(ENX2 = GND)
MAX2683 toc34
LO POWER (dBm)
CONVERSION GAIN (dB)
T
A
= -40
°C
T
A
= +25
°C
T
A
= +85
°C
-5
-2
-3
-4
-1
0
1
2
3
4
5
-20
-15
-10
-5
0
CONVERSION GAIN vs. LO POWER
(ENX2 = V
CC
)
MAX2683 toc35
LO POWER (dBm)
CONVERSION GAIN (dB)
T
A
= -40
°C
T
A
= +25
°C
T
A
= +85
°C
10
12
11
14
13
16
15
17
19
18
20
-16
-12
-10
-14
-8
-6
-4
-2
0
NOISE FIGURE vs. LO POWER
MAX2683 toc36
LO POWER (dBm)
NOISE FIGURE (dB)
Typical Operating Characteristics (continued)
(MAX2683/MAX2684 EV kit, V
CC
= +5V, R
BIAS
= 1.2k
Ω, ENX2 = GND, f
RF
= 3.6GHz, P
RF
= -20dBm, f
LOX2
= 1650MHz for MAX2683 or
f
LOX2
= 1350MHz for MAX2684, P
LO
= -5dBm, all input/output ports terminated in 50
Ω, IFOUT+ and IFOUT- matched to single-ended
50
Ω load, T
A
= +25°C, unless otherwise noted.)
0
30
20
10
40
50
60
70
80
90
100
2.5
3.5
3.0
4.0
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(ENX2 = GND)
MAX2683/4 toc28
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
T
A
= -40°C
R
BIAS
= 820
Ω
R
BIAS
= 1.2k
Ω
R
BIAS
= 2.0k
Ω
T
A
= +85°C
T
A
= +25°C
0
30
20
10
40
50
60
70
80
90
100
2.5
3.5
3.0
4.0
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(ENX2 = V
CC
)
MAX2683/4 toc29
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
T
A
= +85
°C
T
A
= +25
°C
R
BIAS
= 820
Ω
R
BIAS
= 1.2k
Ω
R
BIAS
= 2.0k
Ω
T
A
= -40
°C
20
35
30
25
40
45
50
55
60
65
70
800
1200
1000
1400
1600
1800
2000
SUPPLY CURRENT vs. R
BIAS
MAX2683/4 toc30
R
BIAS
(
Ω)
SUPPLY CURRENT (mA)
V
CC
= +5V
V
CC
= +5V
V
CC
= +3.3V
V
CC
= +3.3V
ENX2 = V
CC
ENX2 = GND
-0.2
0.6
0.4
0.2
0
1.0
0.8
1.2
1.4
800
1200
1400
1000
1600
1800
2000
CONVERSION GAIN vs. R
BIAS
MAX2683/4 toc31
R
BIAS
(
Ω)
CONVERSION GAIN (dB)
V
CC
= +3.3V
V
CC
= +5V
6
8
7
10
9
12
11
13
800
1200
1400
1000
1600
1800
2000
INPUT IP3 vs. R
BIAS
MAX2683/4 toc32
R
BIAS
(
Ω)
INPUT IP3 (dBm)
V
CC
= +5V
V
CC
= +3.3V
-4
-2
-3
0
-1
2
1
3
800
1200
1400
1000
1600
1800
2000
INPUT P1dB vs. R
BIAS
MAX2683/4 toc33
R
BIAS
(
Ω)
INPUT P1dB (dBm)
V
CC
= +5V
V
CC
= +3.3V
MAX2684