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| 型号： | HFA3101B96 |
| 厂商： | Intersil |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC TRANS ARRAY NPN GILBERT 8SOIC |
| 标准包装： | 2,500 |
| 频率： | 0Hz ~ 10GHz |
| 混频器数目： | 1 |
| 噪音数据： | 1.7dB |
| 包装： | 带卷 (TR) |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
HFA3101
of the circuit upon higher level signals. The drop across R EE
must be taken into consideration when setting the current
source value.
Figure 3B depicts the use of a common resistor sharing the
current through the cell which is used for temperature
V CC
compensation as the lower pair V BE drop at the rate of
-2mV/ o C.
Figure 3C uses a split supply.
V CC
R C
V CC
R 2
R 1
R B1
Q 1 Q 2
Q 5
L CH
Q 3 Q 4
Q 6
R 2
R 1
R B1
Q 1 Q 2
Q 5
Q 3 Q 4
Q 6
L CH
R 2
R 1
R B1
Q 1 Q 2
Q 5
Q 3 Q 4
Q 6
L CH
R EE
R EE
R EE
R EE
R EE
R EE
R BIAS
R BIAS
R BIAS
R B2
R E
R B2
R E
R B2
R E
V EE
FIGURE 3A.
FIGURE 3B.
FIGURE 3.
FIGURE 3C.
Design Example: Down Converter Mixer
Figure 4 shows an example of a low cost mixer for cellular
applications.
V CC
3V
The design flexibility of the HFA3101 is demonstrated by a
low cost, and low voltage mixer application at the 900MHz
range. The choice of good quality chip components with their
self resonance outside the boundaries of the application are
important. The design has been optimized to accommodate
0.01
LO IN
825MHz
V CC
51
L CH
390nH
0.1
2K
IF OUT
5p TO 12p
the evaluation of the same layout for various quiescent
current values and lower supply voltages. The choice of R E
became important for the available overhead and also for
maintaining an AC true impedance for high frequency
signals. The value of 27 ? has been found to be the optimum
75MHz
minimum for the application. The input impedances of the
0.01
110
Q 1 Q 2
Q 5
Q 3 Q 4
Q 6
RF IN
HFA3101 base input ports are high enough to permit their
termination with 50 ? resistors. Notice the AC termination by
decoupling the bias circuit through good quality capacitors.
0.01
0.01
330
220
27
51
0.01
900MHz
The choice of the bias has been related to the available
power supply voltage with the values of R 1 , R 2 and R BIAS
splitting the voltages for optimum V CE values. For evaluation
of the cell quiescent currents, the voltage at the emitter
resistor R E has been recorded.
The gain of the circuit, being a function of the load and the
combined emitter resistances at high frequencies have been
FIGURE 4. 3V DOWN CONVERTER APPLICATION
kept to a maximum by the use of an output match network.
The high output impedance of the HFA3101 permits
3-7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HFA3101BZ | 功能描述:射频双极小信号晶体管 TXARRAY NPN GILBERT CELL 8W RoHS:否 制造商:NXP Semiconductors 配置:Single 晶体管极性:NPN 最大工作频率:7000 MHz 集电极—发射极最大电压 VCEO:15 V 发射极 - 基极电压 VEBO:2 V 集电极连续电流:0.15 A 功率耗散:1000 mW 直流集电极/Base Gain hfe Min: 最大工作温度:+ 150 C 封装 / 箱体:SOT-223 封装:Reel |
| HFA3101BZ | 制造商:Intersil Corporation 功能描述:TRANSISTOR ARRAY |
| HFA3101BZ | 制造商:Intersil Corporation 功能描述:IC TRANSISTOR ARRAY GILBERT 制造商:Intersil Corporation 功能描述:IC TRANSISTOR ARRAY, GILBERT |
| HFA3101BZ96 | 功能描述:射频双极小信号晶体管 TXARRAY NPN GILBERT CELL 8W MILEL RoHS:否 制造商:NXP Semiconductors 配置:Single 晶体管极性:NPN 最大工作频率:7000 MHz 集电极—发射极最大电压 VCEO:15 V 发射极 - 基极电压 VEBO:2 V 集电极连续电流:0.15 A 功率耗散:1000 mW 直流集电极/Base Gain hfe Min: 最大工作温度:+ 150 C 封装 / 箱体:SOT-223 封装:Reel |
| HFA3102 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual Long-Tailed Pair Transistor Array |
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