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E&I Locked On 

 

Broadband Matching Transformers 

 

 
 
 
 

 HIGH RF VOLTAGES MAY BE PRESENT AT THE OUTPUT OF THIS UNIT. All 

operating personnel should use extreme caution in handling these voltages and be 
thoroughly familiar with this manual. 
 
Do not attempt to operate this unit prior to reading this manual. 

Summary of Contents for Locked On HI-Z-800-D

Page 1: ... HIGH RF VOLTAGES MAY BE PRESENT AT THE OUTPUT OF THIS UNIT All operating personnel should use extreme caution in handling these voltages and be thoroughly familiar with this manual Do not attempt to operate this unit prior to reading this manual ...

Page 2: ...he original specifications free of charge to the original purchaser Should warranty service be required the unit must be returned to E I freight cost to be borne by the owner If in our opinion the unit has been damaged by use outside the limits prescribed in this manual or by accident then the warranty shall not be honored In such a case E I will provide an estimate for repair assuming repair is p...

Page 3: ...r and the serial number should be quoted to identify specific unit 1 3 SPECIFICATIONS Physical and electrical specifications are listed in Table 1 1 below Table 1 1 SPECIFICATIONS FREQUENCY COVERAGE 500 KHz to 5 MHz INPUT IMPEDANCE 50 ohms Nominal OUTPUT IMPEDANCE HI Z 50 100 200 400 800 Ohms OUTPUT IMPEDANCE LO Z 6 12 25 50 100 Ohms MAXIMUM RATINGS 1000 W input signal POWER REQUIREMENTS 100 240 V...

Page 4: ... HI Z 800 H Option capable of Hot Switching c HI Z 800 DH Option with Display and Capable of Hot Switching 2 LO Z 6 Standard Low Impedance Option a LO Z 6 D Option with Display b LO Z 6 H Option capable of Hot Switching c LO Z 6 DH Option with Display and Capable of Hot Switching 2 2 Mains Voltage The unit accommodates AC line voltages from 100 TO 240 VAC 47 63 Hz 2 3 OPERATION A line cord is supp...

Page 5: ...s AC is on ii Do not switch the impedance selector while RF is applied to the input unless you have an H version iii Do not apply more than 1000 watts Chapter 3 Technical Description 3 1 GENERAL DESCRIPTION The Locked On series each consist of a single multi tap transformer The HI Z 800 transformer schematic is shown below ...

Page 6: ...January 2013 Rev A Here the T1 and S1 are shown The LO Z operates is the same way ...

Page 7: ... is connected to the power supply In the D option the power supply also supports control board that measures the forward and reflected RF power and the LCD display The power supply is connected to line filter that is part of the AC input block as shown below ...

Page 8: ...ine voltages high DC and RF fields Further the cover provides part of the cooling system design Components are prone to over heat and eventual failure if the unit is operated without the cover in place Ensure that the load is connected to the output prior to connecting the RF input to the unit This will prevent high voltages being present and exposed at the output connector Only use the AC cord pr...

Page 9: ...January 2013 Rev A Appendix 1 ...

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