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  KH-6801
Automatic Final Frequency Adjustment System
(Pallet Type ) for SMD Clock Osc. /TCXO /VCXO
 

KH6801

 

Automatic Final Frequency Adjustment System
(Pallet Type )for SMD Crystal

 

KH-6801 Automatic Final Frequency Adjustment System (Pallet Type ) for SMD Clock Osc. /TCXO /VCXO

 

The KH6801 utilizes the latest Proportional- Integral- Differential (PID) plating control algorithm enhanced with shutter forecasting control. Intelligent solid-state plating power control module gives better plating accuracy and higher speed compared to the other conventional shutter-only or PID-only control system. Typical plat ing time per crystal is less than 3.0 seconds (totally 2 plating cycles), with typical frequency spread of less than ± 1 ppm * Note.

The built-in high speed KM5112 Frequency Counter Card provides the final accuracy of the clock osc. being plated. Measurement accuracy of less than ± 1 ppm could be achieved. Post measurement can be used.

The system operation software is user friendly and menu driven. Touch panel is designed for production workers to operate easily, so that they do not need to work with the computer.

  • Frequency range : 10KHz to 700MHz
  • P roportional- Integral- Differential (PID) plating control algorithm enhanced with shutter forecasting control.
  • Programmable pitch for different size of pallets (max. size 1 75 x 130mm).
  • Typical plate time per crystal is less than 3.0 seconds (totally 2 plating cycles), with typical frequency spread ± 1 ppm * Note.
  • The system operation software is user friendly and menu driven.
  • Touch panel is designed for production workers to operate easily.
  • Filament control : Computer controlled real time high speed solid-state SSR.
  • Dual pallets for high throughput.
  • Simultaneous plating (Optional) increase throughput.
  • High speed Turbo pump. (Optional : Cryo Pump, Diffusion Pump)
  • UPS (Un-interrupt Power Supply) to protect the system from power failure.
  • Optional for SMD crystal

Specifications

 
Frequency range 10KHz to 700MHz
Plating control algorithm : Real time digital PID control, with shutter forecast
Filament control : Computer controlled real time high speed solid-state SSR
Measurement : KM5112 high speed frequency counter card with ovenized time base
Programmable power supply : dual channel, voltage resolution=5mV, current resolution=0.5mA
Pump down time * : Approx. 3 minute to 1 * 10 -4 torr
Power requirement : 380V 3-phase , 50Hz Approx. 3 KVA
Cooling water required : 2 Kgf/cm 2 below 21 oC Approx. 3 litre/min.
Compressed air required : 5 Kgf/cm 2
Pumping System : Rotary Pump - 200 Litre/min, Turbo pump**
Gross weight : approx. 600Kg
Dimensions (DxWxH) : approx. 900 x 1200 x 1800 mm (not include the light pole)
* When the chamber is clean, empty, at room temperature, and with sufficient water cooling.
** Diffusion pump or Cryo Pump is available on customers request.

Options

 
  • Dual card simultaneous plating (for KH1120/KH1240 only)
  • Up-grade KH6801 options for SMD Clock OSC.
  • Dry pump (only suitable for turbo pump or cryo pump configurations)

Note :

1) Measurements were taken immediately after a crystal was plated inside the vacuum system. The measurement data show the actual plating accuracy of the system without influencing by crystal stabilities (e.g. temperature characteristics, effect on crystal under normal atmosphere, etc.)

2) Typical >90%+1ppm Specifications are subject to change without prior notice.

 

 

 
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