Rainbow Electronics MAX2673 - Manual (Page 14)

MAX2660/MAX2661/MAX2663/MAX2671/MAX2673
400MHz to 2.5GHz Upconverter Mixers
14 ______________________________________________________________________________________
MAX2660
MAX2661
MAX2663
MAX2671
MAX2673
LO
LO
IFIN+
IFIN-
MAX2673
ONLY
MAX2671
MAX2673
MAX2660
MAX2661
MAX2663
BIAS
V CC
SHDN
GND
RFOUT
Functional Diagram
Table 2. Typical Operating Circuit (External Component Values)
COMPONENT VALUE AT A GIVEN FREQUENCY (MHz)
100 100 470 100
5.6 3.9 Short 27
47
1.5
10
47
1
4.7
15
6.8
470
AT
1900
AT
2450
6.8
3.3
47
1.5
39
220
18
AT
400
AT
900
100 47 470 47
8.2 3.3 Short 33
1.8
100
47
Open
220
1.8
47
1.8
6.8
AT
1900
AT
2450
3.3
470
1.8
220
39
47
18
AT
400
AT
900
100 47 470 47
8.2 3.3 Short 33
1.5
100
47
Open
220
2.7
47
1.8
6.8
AT
1900
AT
2450
3.3
470
1
220
39
47
18
AT
400
AT
900
47 15 470 C6 (pF) 47
8.2 3.3 Short L1 (nH) 33
1.5
220
47
Open
15
2.7
47
2.2
6.8 C5 (pF)
AT
1900
AT
2450
3.3 C4 (pF)
470 C3 (pF)
1
220
39 L2 (nH)
47
18
AT
400
AT
900
PART
92–j375
130–j453
MAX2661 357–j649
82–j360
70–j290
MAX2663 485–j718
MAX2671 333–j613
MAX2673 220–j530
38–j99
45–j123
54–j152
31–j95
32–j70
65–j188
46–j150
35–j110
Table 1. RF Output Impedance
COMPONENT
MAX2673 MAX2663 MAX2661/MAX2671 MAX2660
RF OUTPUT IMPEDANCE ( Ω)
AT 400MHz AT 900MHz AT 1900MHz AT 2450MHz
MAX2660 126–j459 480–j732 46–j124 65–j190