acmd-7401 Avago Technologies, acmd-7401 Datasheet - Page 8

• Manufacturer Part Number: acmd-7401
• Description: Miniature Pcs Band Duplexer
• Manufacturer: Avago Technologies

8
Solder Materials
The recommended solder profile
for the FBAR duplexer is shown
in Figure 20.
Marking Code
The marking code for the
ACMD-7401 is as shown below:
Rx
Rx
A = Device Code
B = Manufacturing location
C = Year (3 = year 2003)
DE = Workweek
F = PCB Manufacturer
G = PCB Revision
LLLLLLL = Lot#
TTTTtttt = TTTT Wafer lot #,
RRRRrrrr = RRRR Wafer lot #,
(U = USPCS, G = GSM)
ABCDEFG
ABCDEFG
ABCDEFG
LLLLLLL
LLLLLLL
LLLLLLL
TTTT t t t t
TTTT t t t t
TTTT t t t t
RRRR r r r r
RRRR r r r r
RRRR r r r r
Ant
Ant
tttt wafer #
rrrr wafer #
Tx
Tx
Figure 18. Solder Mask/Solder Stencil.
0.4 typical
3.9
3.7
3.2
1.25
2.7
2.6
2.3
2.2
Center line
1.9
1.6 1.4
2.4
1.1
0.6
1.0
Internal pattern
1.3
0.6
1.9
1.9
0.2
1.4
1.0
Reference point, internal pattern
0.5
0.4 typical
Notes:
All dimensions in mm.
Gray = solder mask
Dark gray = solder (0.004" thick)
The pattern of 24 square solder pads and
the opening in the gray solder mask are
symmetrical about the two center lines.
0.6
1.2
1.9
2.4
0.2 typical
1.48
0.5
0.5
1.0
Duplexer center line
Reference point
1.4
1.0
1.4 1.5
2.1
2.4
2.9
3.4