Typical operating characteristics (continued), Max2683 – Rainbow Electronics MAX2684 User Manual
Page 6
MAX2683/MAX2684
3.5GHz Downconverter Mixers
with Selectable LO Doubler
6
_______________________________________________________________________________________
-10
-6
2
-2
6
10
2.5
3.5
3.0
4.0
4.5
5.0
5.5
INPUT P1dB vs. SUPPLY VOLTAGE
(R
BIAS
= 820
Ω)
MAX2683 toc16
SUPPLY VOLTAGE (V)
INPUT P1dB (dBm)
T
A
= +85°C
T
A
= -40°C
T
A
= +25°C
-2
-1
1
0
2
3
2.5
3.5
3.0
4.0
4.5
5.0
5.5
INPUT P1dB vs. SUPPLY VOLTAGE
(R
BIAS
= 1.2k
Ω)
MAX2683 toc17
SUPPLY VOLTAGE (V)
INPUT P1dB (dBm)
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
-5
-4
-2
-3
-1
0
2.5
3.5
3.0
4.0
4.5
5.0
5.5
INPUT P1dB vs. SUPPLY VOLTAGE
(R
BIAS
= 2k
Ω)
MAX2683 toc18
SUPPLY VOLTAGE (V)
INPUT P1dB (dBm)
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
0
2
1
4
3
6
5
7
9
8
10
3400
3500 3550
3450
3600 3650 3700 3750 3800
CONVERSION GAIN vs. RF FREQUENCY
(R
BIAS
= 1.2k
Ω)
MAX2683 toc19
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
ENX2 = V
CC
ENX2 = GND
T
A
= -40
°C
T
A
= +85
°C
T
A
= +25
°C
0
3
2
1
4
5
6
7
8
9
10
250
290
270
310
330
350
CONVERSION GAIN vs. FREQUENCY
(ENX2 = GND)
MAX2683 toc20
IF FREQUENCY (MHz)
CONVERSION GAIN (dB)
T
A
= -40
°C
T
A
= +85
°C
T
A
= +25
°C
IF PORT NARROWBAND MATCH AT 300MHz
0
3
2
1
4
5
6
7
8
9
10
250
290
270
310
330
350
CONVERSION GAIN vs. IF FREQUENCY
(ENX2 = V
CC
)
MAX2683 toc21
IF FREQUENCY (MHz)
CONVERSION GAIN (dB)
T
A
= -40
°C
T
A
= +85
°C
T
A
= +25
°C
IF PORT NARROWBAND MATCH AT 300MHz
-100
-80
-40
-60
-20
0
1500
1700
1600
1800
1900
2000
LOX2 PORT RETURN LOSS vs.
LO FREQUENCY (ENX2 = GND)
MAX2683 toc22
LO FREQUENCY (MHz)
RETURN LOSS (dB)
-50
-40
-20
-30
-10
0
3000
3360
3180
3540
3720
3900
LOX1 PORT RETURN LOSS
vs. LO FREQUENCY (ENX2 = V
CC
)
MAX2683 toc23
LO FREQUENCY (MHz)
RETURN LOSS (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.)
MAX2683