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ACMD-7401 Datasheet Preview

ACMD-7401 Datasheet

Miniature PCS Band Duplexer

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Agilent ACMD-7401
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Miniature PCS Band Duplexer
Data Sheet
Description
The ACMD-7401 is a miniaturized
duplexer designed using Agilent's
Film Bulk Acoustic Resonator
(FBAR) technology. The ACMD-
7401 is the first duplexer built
with Agilent's innovative
Microcap bonded-wafer chip
scale packaging technology. This
process allows the ultra small
filters to be assembled in a
molded chip-on-board (MCOB)
module that is less than 1.4 mm
high with a 5 x 5 mm footprint.
The ACMD-7401 enhances the
sensitivity and dynamic range of
CDMA receivers, providing more
than 50 dB attenuation of transmit-
ted signal at the receiver input, and
more than 40 dB rejection of the
transmit-generated noise in the
receive band. Typical insertion loss
in the Tx channel is only 1.8 dB,
minimizing current drain from the
power amplifier. Typical insertion
loss in the Rx channel is 2.2 dB,
improving receiver sensitivity.
Agilent’s thin-film Bulk Acoustic
Resonator (FBAR) technology
makes possible high-Q filters at a
fraction their usual size. The
excellent power handling of the
bulk-mode resonators supports
the high output powers needed in
PCS handsets, with virtually no
added distortion.
Features
• Miniature size: less than 1.4 mm
high, 5 x 5 mm footprint
• Rx Band: 1930 – 1990 MHz typical
performance:
Rx Noise Blocking: 44 dB
Insertion Loss: 2.2 dB typical,
3.0 dB band edge
• Tx Band: 1850 – 1910 MHz typical
performance:
Tx Interferer Blocking: 54 dB
Insertion Loss: 1.8 dB typical,
2.5 dB band edge
• 30 dBm Tx Power Handling
Applications
• Handsets or data terminals
operating in the US PCS frequency
band




Agilent

ACMD-7401 Datasheet Preview

ACMD-7401 Datasheet

Miniature PCS Band Duplexer

No Preview Available !

ACMD-7401 Electrical Specifications, ZO = 50, TC[1] as indicated
Symbol Parameters
+25°C[1,3]
Units Min Typ Max
S23
S23
S23
S23
S23
S22
S31
S31
S31
S31
S31
S31
S11
S33
S21
S21
S21
Path from Antenna Port to Receiver Port
Attenuation in Transmit Band
(1850.6 – 1909.4 MHz)
dB
Insertion Loss, lower band edge
(1930.6– 1935 MHz)
dB
Insertion Loss, mid-band
(1935– 1987 MHz)
dB
Insertion Loss, upper band edge
(1987– 1989.4 MHz)
dB
Ripple in Receive Band
dB
Rx Port Return Loss in Receive Band
dB
Path from Transmitter Port to Antenna Port
Attenuation in Receive Band
(1930.6 1935 MHz)
dB
Attenuation in Receive Band
(19351989.4 MHz)
dB
Insertion Loss, lower band edge
(1850.61853 MHz)
dB
Insertion Loss, mid-band
(18531907 MHz)
dB
Insertion Loss, upper band edge
(19071909.4 MHz)
dB
Ripple in Transmit Band
dB
Tx Port Return Loss in Transmit Band
dB
Antenna Port Return Loss,
Tx and Rx bands
dB
Tx-Rx Isolation, 1850.6 1909.4 MHz
(Transmit Band)
dB
Tx-Rx Isolation, 1930.6 1935 MHz
(Receive Band)
dB
Tx-Rx Isolation, 19351989.4 MHz
(Receive Band)
dB
50 54 —
— 2.6 3.5
— 2.2 3.5
— 2.8 3.5
— 1.5 2.6
8.0 10 —
40 44
40 42
2.3 3.0
2.2 3.0
1.6 3.0
2.0 2.5
8.0 10
8.0 10
50 54
40 44
40 44
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+85°C[1,2,3,4]
Min Typ Max
30°C[1,2,3]
Min Typ Max
50 52 —
— 2.7 3.5
— 32.3 3.0
— 2.8 3.8
— 1.5 3.0
8.0 10 —
50 52 —
— 3.2 4.5
— 2.2 3.5
— 2.7 3.5
— 2.0 3.0
8.0 10 —
40 42
40 42
2.3 3.0
2.2 3.0
2.4 3.8
2.0 3.0
8.0 10
8.0 10
50 54
40 44
40 44
37 42
40 42
2.3 3.6
2.2 3.0
1.2 3.0
2.0 3.0
8.0 10
8.0 10
50 54
38 44
40 44
Notes:
1. TC is defined as case temperature, the temperature of the underside of the
duplexer where it makes contact with the circuit board. Port 1 = Tx,
Port 2 = Rx, Port 3 = Ant
2. Specifications are given at operating temperature limits and room
temperature. To estimate performance at some intermediate temperature,
use linear interpolation.
3. Specifications are guaranteed over the given temperature range, with the
input power to the Tx port equal to +29 dBm (or lower) over all Tx
frequencies. Upper transmit band edge maximum Insertion Loss at 85°C
is guaranteed to +26 dBm of input power. For higher input power, derate
maximum temperature as: Tmax = 95°C 25°C * Pin (Watts). Input power
between +26 dBm and +30 dBm is safe, but the Insertion Loss at the
upper transmit band edge will degrade slightly.
4. High temperature specifications are guaranteed with thermal pads in
thermal contact with the motherboard. (See Figure 1.)
Thermal Pads ensure good
thermal contact to the motherboard.
Figure 1. Underside of the duplexer.
2


Part Number ACMD-7401
Description Miniature PCS Band Duplexer
Maker Agilent
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ACMD-7401 Datasheet PDF






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