MAX2045 MAXIM [Maxim Integrated Products], MAX2045 Datasheet - Page 19

• Manufacturer Part Number: MAX2045
• Description: High-Gain Vector Multipliers
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 2. Typical Operating Circuit Using Single-Ended Voltage Mode DACs
MODE DAC
VOLTAGE-
______________________________________________________________________________________
RF INPUT
C4
C6
C12
RF OUTPUT
C1
VQ1
VQ2
IQ1
IQ2
VI1
VI2
II1
II2
1
2
3
4
5
6
7
8
C13
T1
C14
High-Gain Vector Multipliers
T2
REFERENCE
AMPLIFIER Q
AMPLIFIER I
MAX2045
MAX2046
MAX2047
CONTROL
CONTROL
2.5V
C2
L1
*
L2
C3
MULTIPLIER
SHIFTER
VECTOR
OUTPUT
PHASE
STAGE
90°
C15
*
C4, C6, C12–C16
POPULATED WITH AN INDUCTOR OR CAPACITOR,
DEPENDING ON THE VERSION.
DESIGNATION
C2, C3
C17
L1
24
23
22
21
20
19
18
17
C1
L2
R1
T1
T2
*
GND
GND
RBIAS
GND
GND
GND
V
V
CC
CC
MAX2045
1.6pF CAP
1:1 balun
4:1 balun
0.01µF
220pF
280Ω
3.3pF
22pF
10nH
C16
R1
DESCRIPTION
MAX2046
1.6pF CAP
1:1 balun
4:1 balun
V
C17
0.01µF
220pF
280Ω
CC
3.3pF
10nH
22pF
MAX2047
1:1 balun
4:1 balun
0.01µF
280Ω
47pF
47pF
47pF
15nH
39nH
19