{"id":783,"date":"2026-04-28T21:57:09","date_gmt":"2026-04-28T14:57:09","guid":{"rendered":"https:\/\/orloksurabaya.or.id\/?p=783"},"modified":"2026-04-28T21:57:09","modified_gmt":"2026-04-28T14:57:09","slug":"aprs-pada-amatir-radio-aprs-software-modembagian-ketiga","status":"publish","type":"post","link":"https:\/\/orloksurabaya.or.id\/?p=783","title":{"rendered":"APRS Pada Amatir Radio \u2013 APRS Software Modem(bagian ketiga)"},"content":{"rendered":"\n<p>Sebelumnya sudah kita bahas tetang APRS Kit, dimana komunikasi Paket Data Radio menggunakan ArduinoTNC, kali ini kita menggunakan softmodem atau software modem.<\/p>\n\n\n\n<p>Softmodem menggunakan soundcard sebagai ADC(analog to digital) dan DAC(digital to analog)-nya, softmodem selain menggunakan internal soundcard dari komputer juga bisa menggunakan USB Sound Card(sound card external) dengan audio chip CM108.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"436\" src=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.10.38-1024x436-1.png\" alt=\"\" class=\"wp-image-785\" srcset=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.10.38-1024x436-1.png 1024w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.10.38-1024x436-1-300x128.png 300w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.10.38-1024x436-1-768x327.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Kemudahan apabila menggunakan USB Sound Card adalah pada signal PTT bisa include dalam USB Sound Card tsb sehingga dapat meminimalisir pemakaian USB Port pada komputer, apabila kita menggunakan sound card internal dari PC maka kita musti membuat rangkaian PTT untuk mengaktifkan PTT pada radio.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_060945-1024x576-1.jpg\" alt=\"\" class=\"wp-image-786\" srcset=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_060945-1024x576-1.jpg 1024w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_060945-1024x576-1-300x169.jpg 300w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_060945-1024x576-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Rangkaian PTT signaling dengan menggunakan RTS Pin pada USB to Serial pada Icom 2300H<\/figcaption><\/figure>\n\n\n\n<p>Dalam bagian ini kita membahas detail modifikasi USB Sound Card External CM108 sehingga dapat berfungsi sebagai software modem dan juga termasuk PTT Signaling-nya.<\/p>\n\n\n\n<p>Wiring Diagram External Sound Card dapat di download pada &nbsp;:<\/p>\n\n\n\n<p>http:\/\/rats.fi\/wp-content\/uploads\/2016\/04\/CM108_DataSheet_v1.6.pdf<\/p>\n\n\n\n<p>detail capture pada rangkaian input dan output adalah sbb:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"598\" src=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.27.30-1024x598-1.png\" alt=\"\" class=\"wp-image-787\" srcset=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.27.30-1024x598-1.png 1024w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.27.30-1024x598-1-300x175.png 300w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-07.27.30-1024x598-1-768x449.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Modifikasi CM108 \u00a0dilakukan pada female audio connector (jack female warna hijau) dan menyesuaikan dengan design input mic pada Icom 2300H (menggunakan connector RJ45).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"656\" src=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-08.07.27.png\" alt=\"\" class=\"wp-image-788\" srcset=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-08.07.27.png 850w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-08.07.27-300x232.png 300w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/Screen-Shot-2022-06-05-at-08.07.27-768x593.png 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p>PTT Signaling diambil dari pin 13 dari Audio Chip Cm103, dengan driver Transistor TUN beserta detail modifikasi bisa dilihat pada gambar dibawah :<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_061051-1024x576-1.jpg\" alt=\"\" class=\"wp-image-789\" srcset=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_061051-1024x576-1.jpg 1024w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_061051-1024x576-1-300x169.jpg 300w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220605_061051-1024x576-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>setelah semuanya terpasang, tinggal dibutuhkan sedikit improvisasi untuk menyesuaikan dengan perangkat masing-masing, dalam hal ini penulis menggunakan Icom 2300H<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220604_204001-1024x576-1.jpg\" alt=\"\" class=\"wp-image-790\" srcset=\"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220604_204001-1024x576-1.jpg 1024w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220604_204001-1024x576-1-300x169.jpg 300w, https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220604_204001-1024x576-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>hal yang perlu diperhatikan adalah :<\/p>\n\n\n\n<p>menggunakan Direwolf versi 1.7 keatas<\/p>\n\n\n\n<p>menambahkan config pada direwolf.conf<\/p>\n\n\n\n<p>PTT CM108<\/p>\n\n\n\n<p>setelah 2 hal diatas dilakukan, maka UISS dapat di-running dan otomatis PTT tanpa menggunakan COM Port lagi.<\/p>\n\n\n\n<p>Ucapan terima kasih kepada rekan amatir Radio yang sudah menginspirasi dalam artikel ini :<\/p>\n\n\n\n<p>YD0NXX \u2013 OM Yono, YD0BCX \u2013 OM Hari, YD0AVJ \u2013 OM Adit, YD9CKH \u2013 OM Juta dan YG3FEO \u2013 OM Yasir.<\/p>\n\n\n\n<p>semoga dapat menjadi ide baru buat teman-teman Amatir Radio di INDONESIA dan menarik minat buat generadi muda ORARI untuk ORARI KEREN.<\/p>\n\n\n\n<p>Salam 73\u2032 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sebelumnya sudah kita bahas tetang APRS Kit, dimana komunikasi Paket Data Radio menggunakan ArduinoTNC, kali ini kita menggunakan softmodem atau software modem. Softmodem menggunakan soundcard sebagai ADC(analog to digital) dan DAC(digital to analog)-nya, softmodem selain menggunakan internal soundcard dari komputer juga bisa menggunakan USB Sound Card(sound card external) dengan audio chip CM108. Kemudahan apabila menggunakan &hellip; <\/p>\n","protected":false},"author":3,"featured_media":784,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-783","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bimbingan-dan-pelatihan"],"jetpack_featured_media_url":"https:\/\/orloksurabaya.or.id\/wp-content\/uploads\/2026\/04\/20220604_202535-800x445-1.jpg","_links":{"self":[{"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=\/wp\/v2\/posts\/783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=783"}],"version-history":[{"count":1,"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=\/wp\/v2\/posts\/783\/revisions"}],"predecessor-version":[{"id":791,"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=\/wp\/v2\/posts\/783\/revisions\/791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=\/wp\/v2\/media\/784"}],"wp:attachment":[{"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/orloksurabaya.or.id\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}