{"id":6030,"date":"2009-10-30T12:51:31","date_gmt":"2009-10-30T11:51:31","guid":{"rendered":"http:\/\/www.cqdx.ru\/blog\/?p=6030"},"modified":"2023-09-24T16:11:25","modified_gmt":"2023-09-24T16:11:25","slug":"new-microham-usb-interface-iii","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/new-equipment\/new-microham-usb-interface-iii\/","title":{"rendered":"New MicroHAM USB Interface III"},"content":{"rendered":"
\"l_u3_front_panel\"<\/a>These USB Interfaces provide a solution to the lack of available Serial (COM) ports on laptop and newer desktop computers for controlling your radio.The USB interface III<\/strong> includes full optical isolation of all control signals (radio control, CW,\u00a0 PTT and Squelch) and built-in USB soundcard <\/strong>with front panel<\/strong> level controls for transmit via your transceiver’s Accessory audio input and the constant level (pre-volume control) audio output.micro<\/em>HAM USB Interfaces have built-in hardware support for your radio – you no longer need additional level converters like CT-62, IF-232, FIF-232, CT-17.\u00a0\u00a0 USB Interface III includes support for CW keying (DTR) and PTT (RTS) as well as a detector\/driver for pseudo-FSK and QSK CW on the soundcard’s right audio channel for use with FLDIGI on any platform. USB Interface III uses same cable as USB Interface II or DIGI KEYER.
\n\"\"<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u2022 <\/span><\/td>\nJust one USB port<\/span> for audio and Control <\/span><\/strong><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nComplete “Computer <-> Radio” electrical isolation<\/strong><\/span>
\n– bidirectional transformer isolation between sound card and radio<\/span>
\n– ALL <\/strong>digital signals: Radio Control, CW, PTT, FSK, and Squelch,
\noptically isolated from USB port<\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nStandard Sound Device – no custom drivers: <\/span><\/strong>
\n The USB Sound Device is an industry standard device recognized by
\nWindows, Macintosh OS 10 and LINUX. There are no custom device
\ndrivers to install and no compatibility problems with your applications.<\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nUltra low noise: <\/strong><\/span>
\n– The sound circuits are designed with special attention to low noise <\/span>
\n– <\/span>Receive noise floor is better than -90 dBm (typical) in 600 Ohms. <\/span>
\n– 87 dB (typical) dynamic range rivals that of professional products.
\n–\u00a0Special circuit design maintains full dynamic range and low noise floor
\nwith all radios – both high level and low level outputs. <\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nIndependent transmit and receive clock <\/strong><\/span>
\n– Transmit clock: 32000, 44100, 48000 Hz <\/span>
\n– Receive clock: 8000, 11025, 16000, 22050, 32000, 44100, 48000 Hz<\/span>
\n– sampling rates are native: no up\/down conversion or “rounding” errors<\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nRight channel audio detector and FSK\/CW driver <\/span><\/strong>
\n– <\/span><\/span><\/span>FSK output for FDIGI “pseudo-FSK” mode <\/span>
\n– <\/span><\/span>Provides a “hard keyed” CW output for software that generates
\nonly audio (sidetone) CW<\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nSupport for all radio control standards (CI-V, FIF-232, IF-232, RS-232)<\/strong><\/span>
\n– fully supports Icom, Kenwood, Ten Tec, Yaesu and other radios<\/span>
\n– no separate level converter required<\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nSquelch input for signaling to computer<\/strong><\/span>
\n– two inputs, one is active low, second is active high <\/span>
\n– ideal for Echolink and remote interfacing applications <\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nNo external power adapter for most transceivers<\/strong><\/span>
\n– Computer part is powered from USB<\/span>
\n– Radio <\/span>interface<\/span> is powered from transceiver or transceiver power supply<\/span><\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nStrong immunity to RFI <\/strong><\/span>
\n– integrated chokes and filters for best RFI immunity<\/span>
\n– advanced shielding and circuit design for RFI product suppression<\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nQuick change connectors<\/strong><\/span>
\n– USB <\/span>
\n– Radio – DB15<\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nLEDs for easy visual feedback of CAT, CW, PTT, SQL<\/strong><\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nMetal\/Aluminum case, powder coated and silk screened<\/strong><\/span><\/td>\n<\/tr>\n
\u2022 <\/span><\/td>\nFree software upgrades via the internet <\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Source<\/a><\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

These USB Interfaces provide a solution to the lack of available Serial (COM) ports on laptop and newer desktop computers for controlling your radio.The USB interface III includes full optical isolation of all control signals (radio control, CW,\u00a0 PTT and Squelch) and built-in USB soundcard with front panel level controls for transmit via your transceiver’s…<\/p>\n","protected":false},"author":2,"featured_media":38009,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[195,203,304],"class_list":["post-6030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-new-equipment","tag-ham-radio","tag-hamradio","tag-new-equipment-2","category-8","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/6030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/comments?post=6030"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/6030\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/38009"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=6030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=6030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=6030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}