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AH315-PCB

更新时间： 2024-11-21 04:05:15
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3.3-3.8 GHz WiMAX 2W Driver Amplifier

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AH315  
3.3-3.8 GHz WiMAX 2W Driver Amplifier  
Product Features  
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.  
• 3.3 – 3.8 GHz  
• 25 dB Gain  
• EVM <2.5 %@ 25 dBm Pout  
• Internal Active Bias  
• +5V Single Supply Voltage  
• +33 dBm P1dB  
Vpd1  
VBias1  
GND / NC  
RF IN  
Vcc2  
GND / NC  
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.  
RF OUT  
RF OUT  
RF OUT  
RF IN  
• RoHS-compliant/Lead-free  
5x5 mm QFN SMT package  
Applications  
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.  
• 802.16 WiMAX infrastructure  
Specifications (1)  
Typical Performance (4)  
Parameter  
Operational Bandwidth  
Units Min Typ Max  
Parameter  
Frequency  
Units Vcc=5V Vcc=6V  
3.5  
GHz  
dBm  
dB  
3.3  
3.8  
GHz  
dBm  
dB  
3.5  
+25  
25.4  
-15.2  
-11.3  
33  
Output Channel Power  
Power Gain  
+26  
24.5  
-15.7  
-11.7  
33  
Output Channel Power  
+25  
25  
Power Gain  
EVM(2)  
S11 – Input R.L.  
S22 – Output R.L.  
dB  
%
2.3  
8
2.5  
dB  
Efficiency  
%
Output P1dB  
EVM  
dBm  
%
Output P1dB  
dBm  
dB  
+33  
7.3  
600  
2.2  
1.6  
Noise Figure  
Quiescent Current, Icq(3)  
Efficiency  
%
8
9.4  
mA  
Noise Figure  
Quiescent Current  
Vpd, Vbias  
dB  
7.3  
7.3  
Icc @26dBm  
Device Voltage, Vcc  
mA  
V
700  
+5  
mA  
V
600  
+5  
650  
+5  
1. Test conditions unless otherwise noted: 25ºC, +5V Vsupply, in 3.4-3.6 GHz tuned application circuit  
shown in page 3.  
4. Typical parameters reflect performance in a tuned application circuit at +25° C.  
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.  
Absolute Maximum Rating  
Parameter  
Storage Temperature  
Rating  
-55 to +125 ºC  
Thermal Resistance, Rth  
13 °C / W  
Ordering Information  
Junction Temperature, Tj  
Collector Current, Icc ( Icc1+Icc2)  
RF Input Power into a 50Ω Load  
Device Voltage  
150 °C  
1.6 A  
19 dBm  
+8 V  
Part No.  
AH315  
AH315 –PCB  
Description  
3.3-3.8 GHz WiMAX 2W Driver Amplifier  
3.4-3.6 GHz Evaluation Board  
Device Power  
8 W  
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.  
Page 1 of 5 December 2007  
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com  
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