Nokia Loopset LPS-3 Technical Documentation Manual

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PAMS Technical Documentation
Loopset LPS-3
E Nokia Mobile Phones Ltd.
Issue 1 12/99

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  Summary of Contents for Nokia Loopset LPS-3

  • Page 1 PAMS Technical Documentation Loopset LPS-3 E Nokia Mobile Phones Ltd. Issue 1 12/99...
  • Page 2 PAMS Technical Documentation Loopset LPS-3 AMENDMENT RECORD SHEET Amendment Date Inserted By Comments Number 12/99 OJuntune E Nokia Mobile Phones Ltd. Issue 1 12/99 Page 2...
  • Page 3: Table Of Contents

    Parts List of LPS–3 ....... E Nokia Mobile Phones Ltd. Page 3...
  • Page 4: Loopset Lps-3

    T–mode. Loopset is an economic and simple solution for hearing aid users. Most hearing aids are compatible to this kind of wireless handsfree. E Nokia Mobile Phones Ltd. Issue 1 12/99 Page 4...
  • Page 5: Basic Specification

    LPS–3 37mm x 40mm x 17mm Weight 60g List of Modules Name of module Type name Material code Note LPS–3 Product LPS–3 0630244 LPS–3 Module 0201489 Assembly parts MLPS3 0262071 E Nokia Mobile Phones Ltd. Page 5 Issue 1 12/99...
  • Page 6: Technical Specifications

    5 week. Technical Specifications The Nokia LPS–3 Loopset is powered by three hearing aid batteries and comes pre–packaged with six zinc air batteries. The ”auto answer” feature of the phone allows the users to be ”hands free”...
  • Page 7: Loop Adapter

    Resetting time 0,5–5dB/s Signal to Noise Ratio 855 dB nominal level (122 mVrms)/ 1kHz Maximum Ratings Determined as defined by IEC 268 using signal limited to frequency range 300 ... 3400 Hz. E Nokia Mobile Phones Ltd. Page 7 Issue 1 12/99...
  • Page 8: Magnetic Field Frequency Response Window

    –24 dBm0 +6/–3 dBm0 at 1kHz Directivity mic (acuctic) OMNI–directional Signal to Noise Ratio 55 dB 1Pa/1kHz Distortion and noise Total distortion: Max 3 % 300...3400Hz with sound pressure 0 dBPa at the microphone. E Nokia Mobile Phones Ltd. Issue 1 12/99 Page 8...
  • Page 9: Microphone Response Window

    Loopset LPS-3 Microphone response window +3 dB +3 dB +3 dB +3 dB –5 –3 dB –3 dB –3 dB –3 dB –5 dB –10 –15 –20 300 Hz 3 kHz E Nokia Mobile Phones Ltd. Page 9 Issue 1 12/99...
  • Page 10: External Signals And Connections

    XMic MicN COMP1 COMP2 Phone Shutdown Mic Vbattery COMP3 – COMP4 signal Peep COMP4 RCOSC VREF LoopP Vtoneout XEarP 330R LoopN HFCM XEarN = from Mobile = Internal LOOPSET signals E Nokia Mobile Phones Ltd. Issue 1 12/99 Page 10...
  • Page 11 Output AC impedance ref 1kHz (from phone to acces- (from hone to acces sory) Series output capacitance Load AC impedance ref 1kHz Max. input level. No load XEarP Ear + signals E Nokia Mobile Phones Ltd. Page 11 Issue 1 12/99...
  • Page 12: Exploded View Of Lps-3

    DMJ00180 9451692 B–cover DMD05510 9451691 A–cover DMD05509 6290021 PT-screw 1,8x8 feznTX6 9451693 Battery lid DMD05507 9451694 Button DMD05511 9380750 Type label Note: The torque of the screws is 0.35 Nm. E Nokia Mobile Phones Ltd. Issue 1 12/99 Page 12...
  • Page 13: Parts List Of Lps-3

    2320592 Ceramic cap. 2.2 n 5 % 50 V 0402 C023 2320580 Ceramic cap. 680 p 5 % 50 V 0402 C024 2320107 Ceramic cap. 10 n 5 % 50 V 0603 E Nokia Mobile Phones Ltd. Page 13 Issue 1 12/99...
  • Page 14 SO8S X100 5409067 SM, pin header 1x04 p1.25 1a s STR. X200 5400125 SM, pcb conn 4mm f 90deg 6400039 Battery spring dmd03655 lps–1 9854251 PCB LPS1 28.2X33.1X1.0 M4 24/PA E Nokia Mobile Phones Ltd. Issue 1 12/99 Page 14...