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| 型号： | HSP50210JC-52Z |
| 厂商： | Intersil |
| 文件页数： | 41/51页 |
| 文件大小： | 0K |
| 描述： | IC DEMODULATOR COSTAS 84-PLCC |
| 标准包装： | 15 |
| 功能： | 解调器 |
| 频率： | 52MHz |
| RF 型： | AM，FM |
| 封装/外壳： | 84-LCC（J 形引线） |
| 包装： | 管件 |
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HSP50210
TABLE 38. ACQUISITION/TRACKING CONTROL REGISTER
DESTINATION ADDRESS = 23
BIT
POSITION
31-16
15
14
13
12-9
8-5
4
3
2
1
0
FUNCTION
Not Used
Reserved
False Lock Detect
Enable
Frequency Sweep
Mode
Verify State Length
False Lock Sweep
Lock Detector Control
Microprocessor
Acquisition/Track
Select
Microprocessor Lock
Reserved
Microprocessor
Frequency Sweep
Enable
41
DESCRIPTION
No programming required.
Set to 0 for proper operation.
This bit enables the false lock detection during the verify state of state machine controlled acquisition.
The overflow of the False Lock Accumulator before the Integration Counter forces the false lock state. If
disabled, the overflow of the False Lock Accumulator has no effect on state machine operation.
0 = Disable False Lock.
1 = Enable False Lock.
Note: The false Lock Detector is designed for false lock detection on square wave data. For shaped
waveforms false lock detection should be disabled or frequency error should be used.
This bit selects whether stepped or continuous frequency sweep mode is used (see “Lock Detector” on
page 23).
0 = Stepped Frequency Sweep (provided for microprocessor controlled acquisition mode).
1 = Continuous Frequency Sweep.
These bits set the number of integration cycles over which carrier lock must be maintained before the
Lock State is declared. The verify state is used to make sure that lock detection was not the result of noise
or false lock. The 4-bit value programmed here sets the verify state from 0 to 15 Integration Periods.
These bits set the duration of forced frequency sweep before returning to the acquisition state. When
continuous frequency sweep mode is selected, the programmed number represents the number of Lock
Accumulator integration cycles to sweep before returning to the acquisition state. In stepped frequency
sweep mode, the number represents the number of loop filter compute cycles over which to enable the
sweep input to the lag accumulator.
This bit selects whether the acquisition/tracking process is controlled externally by a microprocessor or
internally by the state machine. If microprocessor control is chosen, the lock detect accumulator
integrates for the programmed period of time and ignores accumulator roll over, if any. The Lock Detector
Accumulator halts after each Integration Period and waits to be restarted by the microprocessor. In
addition, the microprocessor must select the acquisition/tracking parameters, as well as enable the
Frequency Sweep Block.
0 = Microprocessor Control.
1 = Internal State Machine Control.
0 = Track Parameters Chosen.
1 = Acquisition Parameters Chosen.
This bit controls the state of the lock bit (STATUS6) in the status output STATUS6-0 (see “Output
Selector” on page 26). In addition, this bit sets the internal state machine to the locked state when Lock
Detector Control is switched from microprocessor control to state machine control. See Table 47 for the
STATUS bit information.
Set to zero for proper operation.
This bit is used to enable the output of the Frequency Sweep Block to the lag path of the Symbol Tracking
Loop Filter. This bit is only used under microprocessor control of the Lock Detector.
FN3652.5
July 2, 2008
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HSP50210JI-52 | 功能描述:上下转换器 COSTAS DEMODULATOR,84 PLCC,52MHZ,IND RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128 |
| HSP50210JI-52Z | 功能描述:上下转换器 COSTAS DEMODULATOR 84 PLCC 52MHZ IND RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128 |
| HSP50214 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Programmable Downconverter |
| HSP50214A | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Programmable Downconverter |
| HSP50214AVC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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