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Teilenummer | ACMD-7609 |
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Beschreibung | UMTS Band 4 / CDMA AWS-1 Duplexer | |
Hersteller | Avago | |
Logo | ||
Gesamt 14 Seiten 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 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
6 Page 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 | ||
Seiten | Gesamt 14 Seiten | |
PDF Download | [ ACMD-7609 Schematic.PDF ] |
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