The Communications Edge
TM ECP203
2 Watt, High Linearity InGaP HBT Amplifier
Product Information
Product Features
Product Description
Functional Diagram
The ECP203 is a high dynamic range driver amplifier in
a low-cost surface mount package. The InGaP/GaAs
HBT is able to achieve high performance for various
narrowband-tuned application circuits with up to +48
dBm OIP3 and +32.5 dBm of compressed 1dB power. It
is housed in an industry standard SOIC-8 or 16-pin
4x4mm QFN SMT package. All devices are 100% RF
and DC tested.
xꢀ 2300 – 2700 MHz
16 15
14 13
N/C
12
11
10
9
1
2
3
4
xꢀ +32.5 dBm P1dB
Vref
N/C
RFOUT
RFOUT
N/C
xꢀ +48 dBm Output IP3
xꢀ 10 dB Gain @ 2450 MHz
xꢀ 9 dB Gain @ 2600 MHz
xꢀ Single Positive Supply (+5V)
RFIN
N/C
5
6
7
8
ECP203D
xꢀ Available in SOIC-8 or 16pin
4mm QFN package
The ECP203 is targeted for use as a driver amplifier in
wireless infrastructure where high linearity and medium
power is required. An internal active bias allows the
ECP203 to maintain high linearity over temperature and
1
2
3
4
Vref
N/C
Vbias
8
7
6
5
RF OUT
RF OUT
N/C
operate directly off
a
single +5V supply.
This
Applications
combination makes the device an excellent candidate for
driver amplifier stages in wireless-LAN, digital
multimedia broadcast, or fixed wireless applications. The
device can also be used in next generation RFID readers.
RF IN
N/C
xꢀ W-LAN
xꢀ RFID
xꢀ DMB
ECP203G
xꢀ Fixed Wireless
Specifications (1)
Parameter
Operational Bandwidth
Test Frequency
Gain
Units Min Typ Max
MHz
MHz
dB
2300
2700
2450
10
Input Return Loss
Output Return Loss
Output P1dB
Output IP3 (2)
Noise Figure
Test Frequency
Gain
dB
dB
20
6.8
dBm
dBm
dB
MHz
dB
+32.5
+48
7.7
2600
9
Output P1dB
dBm
dBm
+32
+47
800
+5
Output IP3 (2)
Operating Current Range, Icc (3) mA
Device Voltage, Vcc
700
900
V
1. Test conditions unless otherwise noted: 25ºC, Vsupply = +5 V in tuned application circuit.
2. 3OIP measured with two tones at an output power of +17 dBm/tone separated by 1 MHz. The suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
3. This corresponds to the quiescent current or operating current under small-signal conditions into pins 6, 7, and 8. It is expected that the current can increase by an additional 200 mA at P1dB. Pin 1 is used as
a reference voltage for the internal biasing circuitry. It is expected that Pin 1 will pull 22mA of current when used with a series bias resistor of R1=15 . (ie. total device current typically will be 822 mA.)
Absolute Maximum Rating
Ordering Information
Parameters
Rating
-40 to +85 qC
-65 to +150 qC
+28 dBm
+8 V
Part No.
ECP203D
ECP203G
Description
2 Watt InGaP HBT Amplifier (16p 4mm Pkg)
2 Watt InGaP HBT Amplifier (Soic-8 Pkg)
Operating Case Temperature
Storage Temperature
RF Input Power (continuous)
Device Voltage
ECP203D-PCB2450 2450 MHz Evaluation Board
ECP203D-PCB2650 2600 MHz Evaluation Board
ECP203G-PCB2450 2450 MHz Evaluation Board
ECP203G-PCB2650 2600 MHz Evaluation Board
Device Current
Device Power
1400 mA
8 W
Operation of this device above any of these parameters may cause permanent damage.
Specifications and information are subject to change without notice
Web site: www.wj.com OCtober 2004
WJ Communications, Inc Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: sales@wj.com
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