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ACMD-7609 Schematic ( PDF Datasheet ) - Avago

Teilenummer ACMD-7609
Beschreibung UMTS Band 4 / CDMA AWS-1 Duplexer
Hersteller Avago
Logo Avago Logo 




Gesamt 14 Seiten
ACMD-7609 Datasheet, Funktion
ACMD-7609
UMTS Band 4 / CDMA AWS-1 Duplexer
Data Sheet
Description
The Avago ACMD-7609 is a highly miniaturized duplexer
designed for use in UMTS Band 4 and CDMA AWS–1 (1710
– 1755 MHz UL, 2110 – 2155 MHz DL) handsets and mobile
data terminals.
Low Insertion Loss in the Tx channel minimizes current
drain from the power amplifier, while low Rx channel
Insertion Loss improves receiver sensitivity.
The ACMD-7609 enhances the sensitivity and dynamic
range of handset receivers by providing high isolation of
the transmitted signal from the receiver input and high
rejection of transmit-generated noise in the receive band.
The ACMD-7609 is designed with Avago Technologies’
innovative Film Bulk Acoustic Resonator (FBAR) technol-
ogy, which makes possible ultra-small, high-Q filters at a
fraction of their usual size. The excellent power handling
capability of FBAR bulk-mode resonators supports the
high output power levels used in mobile communications
applications, while adding virtually no distortion.
The ACMD-7609 also utilizes Avago Technologies’
advanced Microcap bonded-wafer, chip scale packaging
technology. This process allows the filters to be assembled
into a molded chip-on-board module with an overall
maximum size of 2.0 x 2.5 mm and maximum height of
0.95 mm. The ACMD-7609 is compatible with standard 2.0
x 2.5 mm duplexer PCB footprints.
Features
Miniature Size
– 2.0 x 2.5 mm Max size
– 0.95 mm Max height
– Standard 2 x 2.5 mm PCB footprint
High Isolation enables elimination of interstage filter
High Power Rating
– 31 dBm Abs Max Tx Power
Environmental
– RoHS 6 Compliant
– Halogen free
– TBBPA Free
Specifications
Rx Band Performance, – 20 to +85°C
– Insertion Loss: 2.0 dB Max
– Rx Noise Blocking: 50 dB Min
Tx Band Performance, – 20 to +85°C
– Insertion Loss: 1.9 dB Max
– Tx Interferer Blocking: 53 dB Min
Applications
Handsets or data terminals operating in the Band 4
frequency range.
Functional Block Diagram
Ant
Port 3
Rx
Port 2
Tx
Port 1






ACMD-7609 Datasheet, Funktion
ACMD-7609 Typical Performance at Tc = 25°C
-45
-46
-47
-48
-49
-50
-51
-52
-53
-54
-55
3420 3440 3460 3480 3500 3520
Frequency (MHz)
Figure 13. Tx–Ant Rejection at Tx Second Harmonic
3540
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
5150
5200 5250
Frequency (MHz)
Figure 14. Tx–Ant Rejection at Tx Third Harmonic
5300
-40
-41
-42
-43
-44
-45
-46
-47
-48
-49
-50
2250
2300 2350
Frequency (MHz)
Figure 15. Ant–Rx Rejection, 2240 –2400 MHz
-40
-42
-44
-46
-48
-50
-52
-54
-56
-58
-60
2400 2400 2600 2800 3000 3200 3400 3600
Frequency (MHz)
Figure 16. Ant–Rx Rejection, 2484 –3600 MHz
6

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ACMD-7609 pdf, datenblatt
4.0 ± 0.10
4.0 ± 0.10
+
8.00
+0.30
0.10
+
Figure 31. SMD Tape Packing
2.00 ± 0.05
ø 1.50 + 0.10
1.75 ± 0.10
++
3.50 ± 0.05
ø
8.00
+0.05
0.10
Figure 32. Unit Orientation in SMT Tape
12

12 Page





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