Yaesu IC-735 [13/149] 2 fl 32 fl 63 cw narrow filters

Содержание

1 SECTION 4 OPTION INSTALLATIONS 4 1 IC EX243 ELECTRONIC KEYER UNIT 4 Connect the iambic paddle with a 3 conductor 1 4 inch This key plug as shown in the figure 5 Check the operation of the keyer If you would like to unit provides an automatic keying function with an iambic paddle and is built with a single CMOS IC Features designed immunity memory into this IC include self completing and weight control contact character The keying debouncing rf generation dot speed be can increase the weight turn the weight control R2 on the unit clockwise for your favorite position changed between 5 and 45 wpm by the MIC GAIN SPEED NOTE See page 10 2 for transceiver disassembly CONTROL on the front panel of the transceiver INSTALLING OPTIONAL ELECTRONIC KEYER UNIT 1 Install the unit into the position shown in the illustration using the attached screws 2 Unplug P27 which is presently connected to J23 on the PL unit See page 7 11 for the location and connect P27 to connector J1 on the keyer unit 3 Plug the 4 pin connector P28 from the PL unit into J2 on the keyer unit 4 2 FL 32 FL 63 CW NARROW FILTERS There are two types of optional CW filters for the IC 735 Their frequencies and characteristics are shown below CENTER FREQUENCY CHARACTERISTICS FL 32 9 0106MHz 500Hz 6dB 1 6kHz 60dB FL 63 9 0106MHz 250Hz 6dB 1 1kHz 60dB INSTALLING AN OPTIONAL CW NARROW FILTER Filters should be installed on the MAIN unit as shown in the picture at right See page 7 10 for the location on the MAIN unit OPTIONAL CW FILTER 4 1