{"id":2348,"date":"2023-02-18T03:47:46","date_gmt":"2023-02-18T00:47:46","guid":{"rendered":"https:\/\/baspik.com\/?page_id=2348"},"modified":"2024-10-01T03:55:21","modified_gmt":"2024-10-01T00:55:21","slug":"tof-detector-with-a-built-in-voltage-divider","status":"publish","type":"page","link":"https:\/\/baspik.com\/en\/products\/detectors\/open-detectors\/time-of-flight-detectors-tof-for-mass-spectrometry\/tof-detector-with-a-built-in-voltage-divider\/","title":{"rendered":"TOF detector with a built-in voltage divider"},"content":{"rendered":"\n
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TOF detector with a built-in voltage divider, mounted on a printed circuit board, is designed for detection of charged particle fluxes as part of a mass spectrometer<\/p>\n<\/div>\n\n\n\n

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Detectors for time-of-flight mass spectrometers must have a high-speed response without “damped” oscillations (TOF detectors) and must detect ions with high efficiency. Therefore, MCP detectors, which have high ion sensitivity, sub-nanosecond response time and are compact, are mainly used as such detectors.<\/p>\n\n\n\n

The board used to assemble the MCP detector contains the detector voltage divider, power supply circuit components, and a coaxial connector for signal acquisition. Assembly of the detector with the board allows to reduce the influence of spurious inductances and capacitances, as a result the output pulse of the MCP-detector acquires a classical waveform without “damped” oscillations and has a short width (less than 1 ns). The compact design, with 2 inputs for voltage supply and a coaxial connector for signal acquisition, is more adaptable to the application and allows easy installation and replacement of the detector when needed.<\/p>\n\n\n\n

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Specification<\/h3>\n\n\n\n

Basic parameters<\/h5>\n\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter, unit<\/th>\nValue<\/th>\n<\/tr>\n
min<\/th>\nmax<\/th>\n<\/tr>\n<\/thead>\n
MCP active area diameter, mm<\/td>\n26<\/td>\n\u00a0<\/td>\n<\/tr>\n
Supply voltage at 1\u00d7107<\/sup> gain, V<\/td>\n\u00a0<\/sup> \u00a0<\/sup><\/td>\n2400<\/td>\n<\/tr>\n
Single electron pulse height resolution, %<\/td>\n\u00a0<\/td>\n130<\/td>\n<\/tr>\n
Dark count rate density, count\/sec\u00d7cm2<\/sup><\/td>\n\u00a0<\/td>\n2<\/td>\n<\/tr>\n
Average pulse width (FWHM), ns<\/td>\n\u00a0<\/td>\n0.85<\/td>\n<\/tr>\n
Pulse leading edge rise time, ns<\/td>\n\u00a0<\/td>\n0.5<\/td>\n<\/tr>\n
Product consumption current at supply voltage, \u03bcA<\/td>\n\u00a0 \u00a0<\/td>\n\u00a0 250<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n
Typical output waveform<\/h5>\n\n\n\n
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The detector electrical connection diagram<\/h5>\n\n\n\n
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R1 = 10 M\u03a9;
R2 = R3 = 1 M\u03a9;
\u04211 = \u04212 = 470 pF;
Usupply<\/sub> = -2.4 kV, max<\/p>\n\n\n\n

1 – control electrode;
2 – MCP unit;
3 – anode<\/p>\n<\/div>\n<\/div>\n\n\n\n

General view, overall, setting and mounting dimensions of MCP detector with 25 mm active area diameter<\/h5>\n\n\n\n
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Lead designation<\/th> <\/th><\/tr><\/thead>
1<\/td>Supply voltage \u20132400 V, max<\/td><\/tr>
2. 3<\/td>Package<\/td><\/tr>
SMA<\/td>Signal output<\/td><\/tr>
\u0410<\/td>Anode<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

TOF detector with a built-in voltage divider, mounted on a printed circuit board, is designed for detection of charged particle fluxes as part of a mass spectrometer Detectors for time-of-flight mass spectrometers must have a high-speed response without “damped” oscillations (TOF detectors) and must detect ions with high efficiency. Therefore, MCP detectors, which have high […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2953,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"tags":[6,44,59],"class_list":["post-2348","page","type-page","status-publish","hentry","tag-detectors","tag-open-detectors","tag-tof-detectors"],"_links":{"self":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/2348","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/comments?post=2348"}],"version-history":[{"count":2,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/2348\/revisions"}],"predecessor-version":[{"id":3020,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/2348\/revisions\/3020"}],"up":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/2953"}],"wp:attachment":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/media?parent=2348"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/tags?post=2348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}