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HT9015 PDF预览

HT9015

更新时间: 2024-11-06 22:33:43
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK 电信集成电路电信电路LTE电话
页数 文件大小 规格书
23页 206K
描述
RF Single Chip for Cordless Phone

HT9015 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
风险等级:5.82Is Samacsys:N
Base Number Matches:1

HT9015 数据手册

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HT9015  
RF Single Chip for Cordless Phone  
Preliminary  
Features  
·
·
Operating voltage: 2.7V~6V  
Extremely low power consumption current  
·
·
Compander  
-
Expander, Compressor, Limiter  
Receive AMP, MIC AMP, PRE AMP  
-
-
ICC= 0mA (typ.) in battery-saving mode  
ICC= 8.5mA (typ.) in standby mode  
-
PLL  
-
-
RX PLL, TX PLL  
Local oscillator  
ICC= 13.5mA (typ.) for communication  
Built-in IF decoder, compander and PLL  
IF decoder  
-
·
·
-
Data latch control  
Unlock detector  
Four threshold variable battery alarms  
-
-
1st/2nd Mixers, RX VCO  
RSSI quadrature detector, IF AMP  
Noise detector  
-
·
-
General Description  
The HT9015 is an RF single chip for cordless  
phone systems. Internally these are three major  
parts, a PLL, an IF decoder and a compander.  
nal strength and built-in noise detector for S/N  
quality.  
The compander provides better S/N ratio for  
audio signal processing.  
The PLL provides radio channel selection for  
either the transmitter or receiver. Frequency  
locking status of the selected channel can be  
monitored by a control register.  
The HT9015 has a wide-range applications in  
FM/FSK, Transmitting/Receiving of VHF  
bandwidth including cordless phone, narrow  
band voice and data transceiver systems.  
The IF decoder provides two frequency down  
converters that let high frequency signals pass  
through a mixer and local oscillator to be low-  
ered for frequency even base band signals. It  
also provides an RSSI (receiver signal strength  
indicator) function to detect the IF output sig-  
The most significant advantage of the HT9015  
is in the reduction of many external compo-  
nents making it well suited for cordless phone  
baseset, handset radio section.  
1
April 10, 2000  

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