Icom_RS232_interface_sch.pdf

《Icom_RS232_interface_sch.pdf》由会员分享，可在线阅读，更多相关《Icom_RS232_interface_sch.pdf（1页珍藏版）》请在收音机爱好者资料库上搜索。

1、26 Remove the rough edges with the knife or a file Before mounting any components clean the copper tracks with a BrilloPad and dry The only specialist requirement for constructing with matrix board is a device for cutting the copper tracks. In the UK a spot face cutter is available from Maplins, at

2、a price. Fortunately there are many convenient alternatives. A drill bit set into a piece of dowelling makes a very effective tool as do some reamers check your Swiss army knife. The usual order of construction is to start with the lowest profile components and work systematically to those of the hi

3、ghest profile. I found it easier to start by placing the pins and socket in order to define the key positions on the matrix. This makes it easier to locate and solder the links followed by the remaining components. A soldering iron tip of 2.5mm is ideal for these projects. CONSTRUCTION THEICOM & TEN

4、-TEC INTERFACE ICOM and Ten-Tec both use a carrier-sense multiple access collision detect (CSMA/CD) bus. Did you hear it here first? In theory more than one rig could be attached to this design. However an independently powered version of the circuit would be preferable if this is your intention. To 3.5mm Mono Jack Barrel To 3.5mm Mono Jack Tip 96 5 1 14 13 15 12 11 6 2 1 3 4 5 16 MAX232 + C6 1uF + C5 1uF + C4 1uF + C3 1uF C2 0.1uF + C1 10uF D3 ZEN 4.7v D2 1N4148 D1 1N4148 J1 R1 220R Figure 16 ICOM Interface Downloaded by? RadioAmateur.EU