AH315 データシートの表示（PDF） - WJ Communications => Triquint
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AH315 Datasheet PDF : 5 Pages
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AH315
3.3-3.8 GHz WiMAX 2W Driver Amplifier
Product Features
• 3.3 – 3.8 GHz
• 25 dB Gain
• EVM <2.5 %@ 25 dBm Pout
• Internal Active Bias
• +5V Single Supply Voltage
• +33 dBm P1dB
• RoHS-compliant/Lead-free
5x5 mm QFN SMT package
Applications
• 802.16 WiMAX infrastructure
Product Description
Functional Diagram
The AH315 is a high dynamic range broadband driver
amplifier in a surface mount package. The two-stage
amplifier has 25 dB of gain, while being able to achieve high
performance for 3.3–3.8 GHz WiMAX/WiBro applications
delivering +25 dBm of linear output power.
Vpd1
AH315 uses a high reliability +5V InGaP/GaAs HBT
process technology. The device incorporates proprietary
bias circuitry to compensate for variations in linearity and
current draw over temperature. The device does not require
any negative bias voltage; an internal active bias allows the
AH315 to operate directly off a commonly used single +5V
supply. The RoHS-compliant/Lead-free/Green 5x5mm QFN
package is surface mountable to allow for low
manufacturing costs to the end user.
VBias1
GND / NC
RF IN
RF IN
Vcc2
GND / NC
RF OUT
RF OUT
RF OUT
The AH315 is targeted for use in a configuration for the
stage amplifier in 802.16 WiMAX basestations where high
linearity and medium power is required.
Specifications (1)
Typical Performance (4)
Parameter
Operational Bandwidth
Output Channel Power
Power Gain
EVM(2)
Efficiency
Output P1dB
Noise Figure
Quiescent Current, Icq(3)
Icc @26dBm
Device Voltage, Vcc
Units
GHz
dBm
dB
%
%
dBm
dB
mA
mA
V
Min
3.3
Typ
+25
25
2.3
8
+33
7.3
600
700
+5
Max
3.8
2.5
1. Test conditions unless otherwise noted: 25ºC, +5V Vsupply, in 3.4-3.6 GHz tuned application circuit
shown in page 3.
2. Using an 802.16-2004 OFDMA, 64QAM-1/2,1024-FFT, 20 symbols, 30 subchannels.
3. This corresponds to the quiescent current or operating current under small-signal conditions with
bias resistor R1=70Ω off pin 1 and R2=150Ω off pin 16.
Parameter
Frequency
Output Channel Power
Power Gain
S11 – Input R.L.
S22 – Output R.L.
Output P1dB
EVM
Efficiency
Noise Figure
Quiescent Current
Vpd, Vbias
Units
GHz
dBm
dB
dB
dB
dBm
%
%
dB
mA
V
Vcc=5V
3.5
+25
25.4
-15.2
-11.3
33
2.2
8
7.3
600
+5
Vcc=6V
3.5
+26
24.5
-15.7
-11.7
33
1.6
9.4
7.3
650
+5
4. Typical parameters reflect performance in a tuned application circuit at +25° C.
Absolute Maximum Rating
Parameter
Storage Temperature
Thermal Resistance, Rth
Junction Temperature, Tj
Collector Current, Icc ( Icc1+Icc2)
RF Input Power into a 50Ω Load
Device Voltage
Device Power
Rating
-55 to +125 ºC
13 °C / W
150 °C
1.6 A
19 dBm
+8 V
8W
Ordering Information
Part No.
AH315
AH315 –PCB
Description
3.3-3.8 GHz WiMAX 2W Driver Amplifier
3.4-3.6 GHz Evaluation Board
Operation of this device above any of these parameters may cause permanent damage.
Standard T/R size = 500 pieces on a 7” reel.
Specifications and information are subject to change without notice.
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
Page 1 of 5 December 2007
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