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ACE9020B/KG/NP2P PDF预览

ACE9020B/KG/NP2P

更新时间： 2024-01-01 08:10:10
品牌 Logo 应用领域
美高森美 - MICROSEMI 电信光电二极管电信集成电路
页数 文件大小 规格书
6页 479K
描述
Telecom Circuit, 1-Func, Bipolar, PDSO28, LEAD FREE, SSOP-28

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ACE9020B/KG/NP2P 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SSOP
针数：28Reach Compliance Code：compliant
风险等级：5.82JESD-30 代码：R-PDSO-G28
端子数量：28最高工作温度：85 °C
最低工作温度：-30 °C封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP28,.3
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
电源：3.75/4.85 V认证状态：Not Qualified
子类别：Other Telecom ICs最大压摆率：63 mA
表面贴装：YES技术：BIPOLAR
温度等级：OTHER端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL

ACE9020B/KG/NP2P 数据手册

 浏览型号ACE9020B/KG/NP2P的Datasheet PDF文件第1页浏览型号ACE9020B/KG/NP2P的Datasheet PDF文件第2页浏览型号ACE9020B/KG/NP2P的Datasheet PDF文件第3页浏览型号ACE9020B/KG/NP2P的Datasheet PDF文件第4页浏览型号ACE9020B/KG/NP2P的Datasheet PDF文件第6页 
ACE9020  
Power Control Circuits  
The inputs PD1 and PD2 are used to select the operating  
modes as shown below:  
determined primarily by the VHF PLL settling time. The power  
down inputs can then be set to (0, 1) the full duplex condition.  
The intermediate state should also be used during a ‘handoff’  
during conversation on an analogue cellular phone, the VHF  
PLL continuing to operate while the main UHF PLL changes  
channel, the transmit output being disabled. It is also  
recommended that the intermediate state is used when going  
from duplex (0, 1) to standby (1, 0) modes.  
PD1 PD2 Mode  
0
1
1
0
0
1
Sleep  
Standby  
All circuits off  
Prescaler On  
Transmit Set Up Prescaler, VHF  
oscillator on. Upconverter off  
Duplex All circuits on  
0
1
Operating Notes  
The power down inputs (PD1, PD2) are compatible with  
GoodRFlayouttechniquesshouldbeusedforthisdevice  
to obtain optimum performance and also minimise crosstalk  
between circuit blocks. RF supply decoupling should be  
provided adjacent to Vcc pins; a value of 27pF is  
recommended.  
ACE9030 digital outputs (DO5, 6, 7). These modes allow  
circuit operation and power consumption to be optimised. The  
ACE9020 can be put in sleep mode (0, 0) when the power  
consumption is minimal. The standby mode (1, 0) is used  
when the phone is in standby (receive only). The prescaler is  
operational to maintain the main UHF PLL; all circuitry  
associated with transmit functions is turned off.  
There is an intermediate transmit set up state (1, 1). This  
allows the VHF oscillator and phase locked loop to stabilise  
before enabling the upconverter, preventing spurious  
transmissions. The time required for this state will be  
Two external bias resistors are required. A 22kΩ resistor  
is connected from BIAS REF (Pin 4) to ground. This sets an  
accurate reference current for the chip. An 18k resistor is  
connected from RSET TXPA (Pin 8) to ground which controls  
the output level of the VHF oscillator and hence the TXPA  
output level.  
Figure 4 - Application Diagram  
4
123456

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