U2793B_06 Datasheet, PDF (9/13 Pages) ATMEL Corporation – 300-MHz Quadrature Modulator

U2793B
8. Evaluation Board Drawings
Figure 8-1. Evaluation Board Circuitry
L₁
C₁
PU
1
C₂
2
20 _C9
R₁
19
3
18
C₃
OUT
4
17
C₄
5
16
U2793B
C₇
L₂
6
15
V_S
C₅
7
14
LO
8
C₆
C₈
13
9
12
10
11
A
A_inv
GND
B
V_Ref B_inv
Part List
C₁, C₂, C₃, C₄, C₆ =
C₇, C₈
=
C₅
=
C₉, R₁
=
=
1 nF
100 pF
100 nF
1 pF to 10 pF
50-Ω Microstrip
=
optional
The above listed components result in a PD settling time of <20 µs. The use of other component
values will require consideration for time requirements in burst-mode applications.
9
4651E–CELL–07/06