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參數(shù)資料
| 型號： | DS4000 |
| 英文描述： | RECT BRIDGE 15A 1000V WIRE LEADS |
| 中文描述： | 數(shù)控溫補(bǔ) |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 227K |
| 代理商： | DS4000 |
DS4000 Digitally Controlled TCXO
7 of 16
TEMPERATURE-COMPENSATED CRYSTAL OSCILLATOR
The DS4000 can either function as a standalone TCXO or as a digitally controlled TCXO. When used as a
standalone TCXO, the only requirements needed to function properly are power, ground, and an output. However,
the 2-wire interface must be used to tune (push and pull) the crystal.
The DS4000 is capable of supplying two different outputs, F
1
and F
2
.
1) F
1
is the base frequency of the crystal unit inside of the device. The output type is a CMOS square wave.
2) F
2
is a programmable frequency output. The frequency select register can program this output to an integer
division of the base (F
1
) frequency. The duty cycle (DC) bit determines if the output is an n + 1 or a 2(n + 1)
division of F
1
.
F
2
FREQUENCY SELECT REGISTER (FSR) (5Dh)
Bit
7
6
5
4
Name
D7
D6
D5
D4
Default
0
0
0
0
F
2
= F
1
/ (FSR value + 1); with DC = 0
F
2
= F
1
/ [2 x (FSR value + 1)]; with DC = 1
TCXO CONTROL REGISTER (60h)
Bit
7
6
5
4
Name
X
X
X
X
Default
0
0
0
0
DC,
Duty Cycle Bit:
If 50% duty cycle is desired, then this bit must be set to logic 1. The default condition at
power-up is logic 0.
F
T
: This bit must be programmed by the user to 0.
F
1
OE,
F
1
Output Enable Bit:
This bit allows the user to disable/enable the F
1
output.
F
2
OE,
F
2
Output Enable Bit:
This bit allows the user to disable/enable the F
2
output.
3
D3
0
2
D2
0
1
D1
0
0
D0
0
3
2
1
F
T
0
0
F
2
OE
0
F
1
OE
0
DC
0
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PDF描述 |
|---|---|
| DS4000N | RECT BRIDGE 15A 100V WIRE LEADS |
| DS4025 | RECT BRIDGE 15A 200V WIRE LEADS |
| DS4301 | Nonvolatile, 32-Position Digital Potentiometer |
| DS4301U-200 | Nonvolatile, 32-Position Digital Potentiometer |
| DS4802 | Low Voltage, Micro Power, High Performance, Rail-To-Rail Dual Op-Amp |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS4000A0/WBGA | 功能描述:TCXO振蕩器 RoHS:否 制造商:AVX 封裝 / 箱體: 頻率:32.768 kHz 頻率穩(wěn)定性: 負(fù)載電容:15 pF 端接類型:SMD/SMT 電源電壓:3 V 尺寸:2.5 mm W x 3.2 mm L x 1 mm H 輸出格式:CMOS 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 封裝:Reel |
| DS4000A0N/WBGA | 功能描述:TCXO振蕩器 RoHS:否 制造商:AVX 封裝 / 箱體: 頻率:32.768 kHz 頻率穩(wěn)定性: 負(fù)載電容:15 pF 端接類型:SMD/SMT 電源電壓:3 V 尺寸:2.5 mm W x 3.2 mm L x 1 mm H 輸出格式:CMOS 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 封裝:Reel |
| DS4000B | 功能描述:電線導(dǎo)管 DS4000 BASE 10 FT. RoHS:否 制造商:Panduit 類型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 顏色:Light Gray 大小: 最大光束直徑: 抗拉強(qiáng)度: 外部導(dǎo)管寬度:25 mm 外部導(dǎo)管高度:25 mm |
| DS4000C-BK | 功能描述:電線導(dǎo)管 DS4000 COVER MATTE BLACK - 5FT RoHS:否 制造商:Panduit 類型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 顏色:Light Gray 大小: 最大光束直徑: 抗拉強(qiáng)度: 外部導(dǎo)管寬度:25 mm 外部導(dǎo)管高度:25 mm |
| DS4000C-BZ | 功能描述:電線導(dǎo)管 DS4000 COVER METALLIC BRONZE -5FT RoHS:否 制造商:Panduit 類型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 顏色:Light Gray 大小: 最大光束直徑: 抗拉強(qiáng)度: 外部導(dǎo)管寬度:25 mm 外部導(dǎo)管高度:25 mm |
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