ACPF-7005
PCS (A-G) / UMTS Band 2 Tx Bandpass Filter
Data Sheet
Description
The Avago ACPF-7005 is a miniaturized Bandpass Filter
designed for use in handsets and mobile data terminals
operating in the PCS (Blocks A-G)/UMTS Band 2 Tx fre-
quency range (1850.6 – 1914.4 MHz).
In typical cellular phone architectures, this transmit filter
is placed between the driver amplifier and the power
amplifier. The high out-of-band rejection of the ACPF-7005
enhances receiver sensitivity by reducing noise in the Rx
band which would otherwise be amplified by the transmit
chain. The high rejection feature keeps unwanted signals
out of the receive path.
The Avago ACPF-7005 rivals split-band surface acoustic
wave (SAW) transmit filters. As a high rejection, single filter
solution, the ACPF-7005 eliminates the need for switching.
This saves board space and external components, while
eliminating switch loss and reducing programming
complexity.
The ACPF-7005 is designed with Avago Technologies’ in-
novative Film Bulk Acoustic Resonator (FBAR) technology,
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 ACPF-7005 also utilizes Avago Technologies’ advanced
Microcap bonded-wafer, chip scale packaging tech-
nology. This process allows this filters to be assembled
into a molded chip-on-board module with an overall size
of only 1.6 x 2.0 mm and maximum height of 1.1 mm.
Features
•
50
Ω
Input/Output
•
High rejection enables elimination of switches
•
Miniature Size
– 1.6 x 2.0 mm size
– 1.1 mm Max Height
•
High Power Rating
– +30 dBm Abs Max Tx Power
•
Environmental
– RoHS 6 Compliant
– Halogen free
– TBBPA Free
Specifications
•
Performance guaranteed –10° to +85°C
– Tx Band Insertion Loss: 3.5 dB Max
– Rx Band Rejection: 33 dB Min
Applications
Handsets or data terminals operating in the PCS (Blocks
A-G)/UMTS Band 2 frequency range.
Functional Block Diagram
Port 1
Port 2
ACPF-7005 Electrical Specifications
[2]
, Z
0
=50
Ω,
T
C [1]
as indicated
– 10°C
Symbol
S21
+25°C
Typ
[3]
Max
3.5
3.2
3.5
+85°C
Typ
[3]
Max
2.0
1.0
1.1
0.1
0.5
3.5
3.2
3.5
0.5
1.0
Parameter
Insertion Loss in Tx Band
1850.6 – 1852.0 MHz
1852.0 – 1912.0 MHz
1912.0 – 1914.4 MHz
Amplitude Ripple (p-p)
1850.6 – 1852.0 MHz
Amplitude Ripple (p-p) within any
5 MHz Channel in Tx Band
(1850.6 – 1914.4 MHz)
Attenuation, 0 – 1580 MHz
Attenuation in Rx Band
(1930.6 – 1994.4 MHz)
Attenuation in Tx 2
nd
Harmonic
Band (3700 – 3829 MHz)
Attenuation in Tx 3
rd
Harmonic
Band (5550 – 5743 MHz)
Return Loss (SWR) in Tx Band
(1850.6 – 1914.4 MHz)
Units
dB
Min
Min
Min
Typ
[3]
Max
3.5
3.2
3.5
0.5
1.0
ΔS21
ΔS21
dB
dB
0.5
1.0
S21
S21
S21
S21
S11
S22
dB
dB
dB
dB
dB
25
33
10
10
7
(2.6)
25
33
10
10
7
35
57
14
13
18
(1.3)
(2.6)
25
33
10
10
7
(2.6)
Notes:
1. T
C
is the case temperature and is defined as the temperature of the underside of the Filter where it makes contact with the circuit board.
2. Min/Max specifications are guaranteed at the indicated temperature (unless otherwise noted).
3. Typical data is the average value (arithmetic mean) of the parameter over the indicated band at the specified temperature. Typical values may vary
over time.
Absolute Maximum Ratings
[1]
Parameter
Storage temperature
Maximum RF Input Power
Unit
°C
dBm
Value
–40 to +125
+30
Maximum Recommended Operating Conditions
[2]
Parameter
Operating temperature, T
C [3]
, Tx Power ≤ 29 dBm
Unit
°C
Value
–30 to +85
Notes:
1. Operation in excess of any one of these conditions may result in permanent damage to the device.
2. The device will function over the recommended range without degradation in reliability or permanent
change in performance, but is not guaranteed to meet electrical specifications.
3. T
C
is defined as case temperature, the temperature of the underside of the duplexer where it makes contact
with the circuit board.
2
ACPF-7005 Typical Performance at T
c
= 25°C
0.0
-0.5
Insertion Loss (dB)
-1.0
-1.5
-2.0
-2.5
-3.0
1850
Insertion Loss (dB)
1860
1870
1880
1890
Frequency (MHz)
1900
1910
-40
-45
-50
-55
-60
-65
-70
-75
-80
1930
1940
1950
1960
1970
Frequency (MHz)
1980
1990
Figure 1. Insertion Loss in Tx Band (1850 – 1915 MHz)
Figure 2. Rejection in Rx Band (1930 – 1995 MHz)
0
-10
Insertion Loss (dB)
Insertion Loss (dB)
1800
1850
1900 1950 2000
Frequency (MHz)
2050
2100
-20
-30
-40
-50
-60
-70
-80
1750
0
-10
-20
-30
-40
-50
-60
-70
1000
2000
3000
4000
Frequency (MHz)
5000
Figure 3. Insertion Loss, 1750 – 2100 MHz
Figure 4. Wideband Insertion Loss, 0.3 – 6000 MHz
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
3700
3720
3740
3760
3780
Frequency (MHz)
3800
3820
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
5550
Insertion Loss (dB)
Insertion Loss (dB)
5600
5650
Frequency (MHz)
5700
Figure 5. Rejection at Tx Second Harmonic
Figure 6. Rejection at Tx Third Harmonic
3
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