Table of Contents
1. Parts Identification ..................................................... 1
1.1 Before You Begin ..................................................... 1
1.2 Kit Contents ............................................................... 1
1.3 Special Parts ............................................................. 2
2. Changes .................................................................... 5
2.1 PCB Errata ................................................................. 5
2.2 R3 Change ................................................................. 5
2.3 R25 Value ................................................................. 5
2.4 C27 Modification ...................................................... 5
2.5 A/D Module .............................................................. 6
2.5.1 Both Exar and TI A/D Modules ...................... 6
2.5.2 TI ADC5540 A/D Module Only ...................... 6
2.5.3 Exar 8786 A/D Module Only .......................... 6
2.6 Crystal Speed .......................................................... 8
2.7 ICSP Connector .................................................... 8
2.8 Reset Connector .................................................. 8
2.9 Capacitors C56, C57, C59 .................................. 8
2.10 Trimpots ............................................................... 9
3. Parts Placement ...................................................... 10
3.1 Where the Special Parts Go .............................. 10
3.2 Proper Parts Placement ................................... 10
3.3 Changes and Errata ........................................ 10
3.4 Oscillator and Crystal ........................................ 12
3.5 Voltage Regulators ............................................ 12
3.6 Passive Components ....................................... 14
3.7 Transistors ............................................................ 14
3.8 End Panels .......................................................... 14
3.9 LED Indicators .................................................... 15
3.10 Mounting “Spock” ............................................ 15
3.11 ICs and SRAMs ................................................ 16
3.12 Final Assembly .................................................. 16
4. Calibration ................................................................. 18
4.1 Burn-In ................................................................. 18
4.2 Channel A/B Zero Offset .................................. 18
4.2.1 Channel A ..................................................... 18
4.2.2 Channel B ..................................................... 18
4.3 A/D Module .......................................................... 18
4.3.1 ADC Span ..................................................... 18
4.3.2 ADC Mid Point .............................................. 18
4.4 Final Check .......................................................... 19
5. Tips ........................................................................... 20
5.1 Special Parts First ............................................... 20
5.2 Clean Component Leads ................................ 20
5.3 Removing a Misplaced Part ............................ 20
5.4 Additional DIP Sockets .................................... 20
5.5 Power Supply ..................................................... 21
5.6 Serial Port Cable ................................................ 21
5.7 Logic Analyzer Cable ........................................ 21
5.8 Carry Case .......................................................... 21
6. Beginner’s Guide .................................................... 22
6.1 ESD Precautions ................................................ 22
6.2 Soldering Tips .................................................... 22
6.3 Polarity ................................................................. 23
6.4 Resistors ............................................................... 24
