Rainbow Electronics MAX2684 - Manual (Page 10)

MAX2683/MAX2684
3.5GHz Downconverter Mixers
with Selectable LO Doubler
10 ______________________________________________________________________________________
LOX1 S11 vs. R BIAS
(ENX2 = V CC )
1.2k Ω, 2kΩ,
820 Ω
1.2k Ω,
2k Ω, 820Ω
LOX2 S11 vs. R BIAS
(ENX2 = GND)
-5
-2
-3
-4
-1
0
1
2
3
4
5
860 900 880 920 940 960
MAX2683 toc49
IF FREQUENCY (MHz)
CONVERSION GAIN (dB)
CONVERSION GAIN vs. IF FREQUENCY
(ENX2 = V CC )
T A = +25 °C
T A = +85 °C
T A = -40 °C
-50
-40
-20
-30
-10
0
1200 1300 1250 1350 1400 1450
LOX2 PORT RETURN LOSS
vs. LO FREQUENCY
MAX2683 toc50
LO FREQUENCY (MHz)
RETURN LOSS (dB)
-50
-40
-20
-30
-10
0
2400 2600 2500 2700 2800 2900
LOX1 PORT RETURN LOSS
vs. LO FREQUENCY
MAX2683 toc51
LO FREQUENCY (MHz)
RETURN LOSS (dB)
MAX2684
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.)
-5
-2
-3
-4
-1
0
1
2
3
4
5
3400 3500 3450 3550 3600 3650 3700 3750 3800
MAX2683 toc46
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
CONVERSION GAIN vs. RF FREQUENCY
(ENX2 = GND)
T A = +25 °C
T A = +85 °C
T A = -40 °C
-5
-2
-3
-4
-1
0
1
2
3
4
5
3400 3500 3450 3550 3600 3650 3700 3750 3800
MAX2683 toc47
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
CONVERSION GAIN vs. RF FREQUENCY
(ENX2 = V CC )
T A = +25 °C
T A = +85 °C
T A = -40 °C
-5
-2
-3
-4
-1
0
1
2
3
4
5
860 900 880 920 940 960
MAX2683 toc48
IF FREQUENCY (MHz)
CONVERSION GAIN (dB)
CONVERSION GAIN vs. IF FREQUENCY
(ENX2 = GND)
T A = +25 °C
T
A
= +85 °C
T A = -40 °C