參數(shù)資料
型號(hào): ALM-42316-BLKG
元件分類: 放大器
英文描述: 3300 MHz - 3800 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
封裝: 5 X 5 MM, 1.10 MM HEIGHT, LEAD FREE, MINIATURE PACKAGE-24
文件頁(yè)數(shù): 9/13頁(yè)
文件大?。?/td> 872K
代理商: ALM-42316-BLKG
5
Figure 3. Application circuit in demoboard
Notes:
1. In normal gain mode operation, Vbyp = 0V. Vc is a bias pin that is used to set the bias conditions to the 3 internal gain stages of the PA.
2. Typical quiescent current distribution with Vdd1=Vdd2=Vdd3 = 3.3V, Vbyp = 0V, Vc = 2.0V is :
a. Idd1 = 40 mA
b. Idd2 = 118 mA
c. Idd3 = 65 mA
d. I_Vddbias = 17mA
3. Bypass mode is enabled by setting Vbyp pin to 3.3V. This condition overrides the normal high gain mode operation and bypasses the first gain
stage, regardless of the voltage at Vc1 pin. The first gain stage is also shut down to reduce current consumption in this mode.
4. Modulated signal measurements are made with Agilent 89600 VSA and Agilent ESG4438C signal generator with IEEE 802.16e option using the
following test conditions :
- Signal format : IEEE 802.16e OFDMA, rate FEC
- Modulation : 64-QAM
- Numher of Subcarriers : 840
- Modulation bandwidth : 10 MHz
- Downlink ratio : 50%
Residual distortion of signal generator : (0.6-0.8)%. This distortion is included in the overall EVM data in the datasheet.
5. Typical operating voltages and currents : -
a. Normal gain mode : Vdd1 = Vdd2 = Vdd3 = Vddbias = 3.3V. Vc = 2.0V. Vbyp = 0V. Iq(total) = 240 mA.
b. Bypass mode : Vdd1 = Vdd2 = Vdd3 = Vddbias = 3.3V. Vc = 2.0V. Vbyp = 3.3V. Iq(total) = 200 mA.
Vdd1
Vdd2
Vdd3
Vc
Vddbias
Vdet
Vbyp
C7
RFoutput
RFinput
C3
C4
C5
C6
C2
C1
MATCH
Bypass
SWITCH
& Bias
相關(guān)PDF資料
PDF描述
ALM-42316-TR1G 3300 MHz - 3800 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
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