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ICAS IDC-136-KIT Assembly Manual

136khz direct conversion receiver
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IDC-136-KIT 136kHz DC RX Assembly Guide
The IDC-136-KIT is a 136kHz direct conversion receiver. Most of the SDR software
can be used with this receiver. It is quite easy to build within a couple of hours and
you can get ready to start receiving on the spot.
Specifications (subject to change without prior notice):
RX Coverage: 106kHz ~ 154kHz (when a 48kHz sound card is used)
LO Frequency: 130kHz (8.32MHz ÷ 64)
Operational Voltages: 　 9 ～ 13.8VDC
(The enclosure shown is not bundled. You need to prepare separately.)
Case History
The IDC-136-KIT runs 24/365 as a 2200m grabber at:
http://icas.to/argo
ICAS Enterprises
updated Nov. 21
st
, 2011

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Summary of Contents for ICAS IDC-136-KIT

  • Page 1 Nov. 21 , 2011 The IDC-136-KIT is a 136kHz direct conversion receiver. Most of the SDR software can be used with this receiver. It is quite easy to build within a couple of hours and you can get ready to start receiving on the spot.

  • Page 2: Parts List

    Parts List Marking Value Description Remarks Check 1500pF Ceramic Cap 152 (1,800pFmay be supplied -182) 0.022uF Ceramic Cap 223 33pF Ceramic Cap 33 0.022uF Ceramic Cap 223 1500pF Ceramic Cap 152 (1,800pF may be supplied - 182) 56pF Ceramic Cap 56 1500pF Ceramic Cap 152 (1,800pF may be supplied - 182) 0.1uF...

  • Page 3: Assembly Instruction

    Assembly Instruction Please follow the schematic when to proceed to assembly. The schematic is attached to the end of this guide. IC Sockets You can install IC sockets if necessary for easier maintenance. If you install the socket for the oscillator, you can later swap the oscillator chip easily. IFT (Coil) Solder IFT's in the right positions.
  • Page 4 Capacitors Start soldering from C1 to C17. C10 is an electrolytic cap, so make sure that the positive lead goes to [+] hole. Note that C15 is NOT used. Connect the positive lead from the power socket to the hole marked [ １ ], and the negative (ground) lead to [ ２...
  • Page 5 Once the soldering is done, make sure that there are no wrong wirings or connections. Connect the antenna and power supply to the IDC-136-KIT and power on. Use SDR software such as HDSDR and tune in around 137kHz. You may need to prepare a signal generator or TX.
  • Page 6 IDC-136KIT Schematic...