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2N2924
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Pinout/Connection Diagram

2n2924 Circuit
741 opamps and 2N2924 transistors are connected as single-tone encoders producing different audio frequencies、with outputs connected together For
2000-Hz tone, use 0.01 μF for c1 and c2 and use 8K for R3 and R4. Formula for frequency of each encoder is f = 0.159/RC where f is in hertz, R in megohms, and C in microfarads; R = R3 = R4 and C = C1 = C2. Frequencies can be chosen for Touch-Tone signaling.-C. D. Rakes, "integrated Circuit Projects," Howard W. Sams, Indianapolis, IN, 1975, p 95-97,

Supplier

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  Part Number Mfg Pack D/C Qty Note
2N2924 ST ON FSC PH TO 10+ 50000
  Aslan Internatinal Trade Co., Limited China (Mainland)
Contact: Mr. David King   MSN:Aslan0908@live.com Tel: 86-754-84439661 Fax: 86-754-84439661
2N2924 ### #ONLY 6+ 100
  Hendary Tech(HK) Co., Limited China (Mainland)
Contact: Mr. Tony   MSN:tony-hun@hotmail.com Tel: +86-755-82862373 Fax: +86-755-82810121
2N2924 CENTRAL TO 09+ 7880 Advantage Offer!!!
  ATL (HK) ELECTRONIC CO.,LIMITED China (Mainland)
Contact: Mr. Semon   MSN:semon_26@hotmail.com Tel: 0086-0755-36938864，83554152 Fax: 0086-0755-28233505
2N2924 ST CAN 02+ 200
  ABC Electronics trading co(HK) China (Mainland)
Contact: Mr. Jacky   MSN:jackyabcic@hotmail.com Tel: 86-755-83768986 Fax: 86-755-83747496
2N2924 MOT CAN 01+ 1160 sales1@aterhk.com
  ATER TECH LIMITED China (Mainland)
Contact: Mr. xiao   MSN:sales1@aterhk.com Tel: 86-0755-89825456 Fax: 86-0755-89825375
2N2924 09+ 5874 IN STOCKS!
  Isen Global Technology Co., LTD Hong Kong
Contact: Mr. Andy   MSN:hkisen@live.com Tel: +852--5390 3927 Fax: +852--5390 3937
2N2924 NEC TO 05+ 250PCS
  E-core electronics Co.,Ltd China (Mainland)
Contact: Ms. Kelly Wang   MSN:ecorelec2@msn.com Tel: 86-27-85928107 Fax: 86-27-83309301
2N2924 MOT CAN 01+ 1160
  HK UNI-MEGA Electronic Tech Ltd Hong Kong
Contact: Mr. Frank Frank   MSN:unimega88@hotmail.com Tel: 00852-00852-00852-62112978 Fax: 00852-00852-00852-6211-2396
2N2924 NSC NSC News & Original 2 Available Stock
  XGF ELECTRONIC COMPONENTS LIMITED  China (Mainland)
Contact: Mr. Frank Lau   MSN:franklmk168@live.cn skype: franklmk168 Tel: 0086-755-83576094 Fax: 0086-755-83576061
2N2 0402 1200
  ZHW HIGH-TECH (HK) Company Limited China (Mainland)
Contact: Mr. Jack wei   MSN:jack-zhw@hotmail.com ; petrel87610@hotmail.com Tel: 0086-0755-84157334 Fax: 0086-0755-84155119
2N2 50V 0603 YAGEO 10+ 2000 603
  Friendchip (HK) Electronics CO., Limited China (Mainland)
Contact: Mr. Daniel   Tel: 86-755-29813143 Fax: 86-755-28197382
2N20 5000
  ARTIC WORLDWIDE CO.,LTD China (Mainland)
Contact: Ms. Angela   MSN:sales11@artic-tech.com Tel: 0086-27-87841219-8006 Fax: 0086-27-87310243
2N20 06+ 25000
  OCEAN ELECTRONIC (INT, L) LIMITED China (Mainland)
Contact: Ms. Vivian Lau   MSN:ocean-ic@live.cn Tel: 0086-755-82807832 Fax: 0086-755-8395 7852
2N20 MOTOROLA SOT 04+ 05+ 25800 SUNON'S STOCK
  SUNON(HK) SEMICON CO.,LTD Hong Kong
Contact: Mr. Rick Lin   MSN:sun789@msn.cn Tel: 86-755-82811600 Fax: 86-755-83985387
2N20 SOT-252 MOT 09+ 8650
  Nuoxinyuan Electronics(HK)Co,Ltd. China (Mainland)
Contact: Mr. Peter   MSN:peterpi1@live.cn Tel: 86-0755-83957733-8046 Fax: 86-0755-83956848
2N200 MOTOROLA CAN 540
  Future Net International Ltd(HK) Hong Kong
Contact: Mr. Mocha Ma   MSN:future-sz08@live.cn Tel: 852--27590480 Fax: 852--27590346
2N200 MOT CAN 3880
  WELL-SOURCE COMPONENTS China (Mainland)
Contact: Ms. SUSIE CHEN   MSN:susiechen2008@hotmail.com Tel: 86-755-28536689 Fax: 86-755-82810359
2N200 MOT CAN 689 new in stock
  HY (HK) IC LIMITED China (Mainland)
Contact: Ms. Julie Chen   MSN:julie_ic@hotmail.com Tel: 86-755-82535765 Fax: 86-755-82535755
2N200 MOTOROLA 09+ 1000 new original part in stock.
  Sky Far Electronics Hong Kong Co., Ltd Hong Kong
Contact: Ms. Resa   MSN:sales-1@skyfar-ic.com Tel: 00-852-5103-5561-801 Fax: 00-852-3059-1919
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