Elecraft K3 Crystal Filter Manual Bedienungsanleitung

ELECRAFT® K3 HIGH-PERFORMANCE 160 – 6 METER TRANSCEIVER INSTALLING CRYSTAL I.F. FILTERS Rev A, October 15, 2007 Copyright © 2007, Elecraft,

10With the K3 right side up, plug the speaker wire into P25 on the KIO3 board at the left rear of the K3 as shown in Figure 6. TO SPEAKERORIENT CO

2Contents Introduction...

3Introduction The K3 transceiver can accommodate up to five high-performance crystal I.F. filters of different bandwidths. This manual covers the i

4Preventing Electrostatic Discharge Damage There is no climate or work location where the components of your K3 are safe from Electrostatic Dischar

5• Wear a conductive wrist strap with a series 1-megohm resistor. If you do not have a wrist strap, touch a ground briefly before touching any sen

6Installation Procedure Disconnect power and all cables from your K3. Remove the nine screws to free the top cover as shown in Figure 2. After the

7Look at the filters you already have installed. They are located just behind the front panel shield (see Figure 3 showing two optional 8-pole fil

8Turn your K3 upside down and remove the bottom cover panel nearest the front to gain access to the screws that hold the filters in place. To free

9Turn the K3 upside down again and install the mounting screws and washers for each filter as shown in Figure 5. CAUTION 1) Use screws no longer