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106 Radiation Tool Schematics Anti-Coincidence Circuit GO COSMOS Style Anti-Coincidence Circuit Tek-Co Style Anti-Coincidence Circuit Robert Baer's Ingenious Circuit Anti-Coincidence Circuit GO X-Y Caliper Style Anti-Coincidence Circuit GO X-Y Caliper Style Anti-Coincidence Circuit Late Model GO X-Y Caliper Style Bond Kill Circuit TIP-120 Style Downhole CCL Amplifier [After Comprobe] Small GO Style Downhole CCL Amplifier [Cascode Design] SIE Style Downhole CCL Amplifier [2N2102 / 2N3439] Pulse Doubler / Former Bond Kill Ready Pulse Divider 4013 Version Pulse Divider 4528 Version with Anti-Collision Protection and Bond Kill Ready G-M Tube Gamma Ray Preamp [GO COSMOS Style] High Voltage Filter [Dual Capacitor Version] High Voltage Multiplier 106HVPS-5 / 106HVPS-6 Voltage Doubler High Voltage Multiplier 106HVPS-5 Voltage Quadrupler High Voltage Supply Taylor Brothers Variant / Codatron HV Regulator Supply High Voltage Supply Comprobe / GOI Nuvistor Tool SCR Variant High Voltage Supply Comprobe / GOI Nuvistor Tool SCR Variant (Single HV Diode) High Voltage Supply Comprobe / GOI Nuvistor Tool SCR Variant (Double HV Diode) High Voltage Regulator / Filter High Voltage Regulator / Filter [Dual Capacitor Version] High Voltage Neon Circuit Pulse Former / Line Driver Dual Channel - Bond Kill Ready Pulse Former / Line Driver Dual Channel - Bond Kill Ready [Slim Tool} Line Driver [Bare Bones] Pulse Former / Line Driver Single Channel (Anti-Collision Protected) - Bond Kill Ready Line Driver Dual Channel / Single Channel GO COSMOS Discrete Component Style Line Driver Dual Channel / Single Channel GO COSMOS Discrete Component Style Line Driver Single Channel Single Transistor Tek-Co Discrete Component Style Temp. Compensated Low Voltage Power Supply Forward Junction Compensated Temp. Compensated Low Voltage Power Supply Three Zener Version 106 Radiation / Temperature Tool Low Voltage Power Supply [Also Slim Tool] Non-Inverting Preamp / Discriminator [He-3 or PMT] Inverting Preamp / Discriminator Inverting Preamp / Simple DC Bias Discriminator PMT Voltage Divider (3/4 Inch Hard Pin Tubes - 2 Wire) PMT Voltage Divider (3/4 Inch Hard Pin Tubes - 3 Wire) PMT Voltage Divider (3/4 Inch Flying Lead Tubes - 2 Wire) PMT Voltage Divider (3/4 Inch Flying Lead Tubes - 3 Wire) PMT Voltage Divider (1-1/8" Hard Pin Tubes - 2 Wire) GO COSMOS Style PMT Voltage Divider (1-1/8" Hard Pin Tubes - 3 Wire) PMT Voltage Divider (1" Flying Lead Tubes - 2 Wire) PMT Voltage Divider (1" Inch Flying Lead Tubes - 3 Wire) Pea Pickin' Pulse Picker Caliper Series Schematics Caliper Tool Relayless Motor Control GO / WR, Etc. Retrofit Caliper Tool Motor Control GO / GOI / WR Relay Version Cement Bond Log Series Schematics SIE Bond Receiver Amplifier Bond Kill Circuit Bell Style CBT Sine Wave Calibration Circuit Ringing Inductor Decaying Sine Wave Output CBT Pulse Calibration Circuit CRC / Western Style Improved Pulse Output Improved SIE Bond Panel Output Filter Unity Gain Sallen-Key Low Pass Active Filter Universal Bond Kill Casing Collar Locator Series Schematics TIP-120 Style Downhole CCL Amplifier [After Comprobe] TIP-120 Style Downhole CCL Amplifier [Slim Tool - After Comprobe] CCL Beeper Improved CCL Low Pass Filter Second Order VCVS Equal Value Sallen-Key Filter CCL Meter CCL Meter SIE Downhole CCL Amplifier [2N2102 / 2N3439] Shooting CCL Downhole Series Schematics Simple Anti-Coincidence Circuit Wellog.com's Simplest Circuit Downhole Constant Current Circuit SIE CBT Receiver Series Resistor Replacement Divider / Pulse Former / Line Driver Bell Style Single Channel - Bond Kill Ready Divider / Pulse Former / Line Driver Dual Channel - Bond Kill Ready KISS Downhole Zener Low Voltage Power Supply [Temperature Compensated] Non-Inverting Preamp / Discriminator / Divider SIE Style Downhole Line Switching Relay Circuit Dual Coil Latching Relay Version Downhole CBT Calibrator Switching Relay Circuit Dual Coil Latching Relay Version Bell / Pengo Style Downhole Line Switching Relay Circuit Downhole Line Switching Relay Circuit SPDT Non-Latching Relay Version Downhole CBT Calibrator Switching Circuit CRC / Western Solid State Version Universal Pulse Former / Line Driver Single Channel - Bond Kill Ready Explosives Series Schematics Continuity Meter Dual Fire Perforator Wiring - Steering Diode Scheme Simple AC Shooting Box GO /GOI / MLS Series Schematics TIP-120 Style Downhole CCL Amplifier [Replacement for GO COSMOS Tools] GO COSMOS Downhole Low Voltage Zener Power Supply [Replacement] GO COSMOS Scintillation Gamma Ray Preamp Stock Version - No Thermistor GO COSMOS Scintillation Gamma Ray Preamp Improved Discrim. - For Hot PMTs Surface Equipment Series Schematics Dummy Line / Wireline Simulator Unity Gain Follower / Recorder Output Amplifier SIE Stat Eliminator Test Equipment Series Schematics Codatron / Corotron Test Box Ed's CBL Simulator Box [Dummy Line Portion] Voltage to Frequency Converter Series Schematics Temp. Tool Simple VFC Jim Norman's Min. Parts Count Circuit - Not Recommended Temperature Tool Simple VFC [Resistive Divider Offset Reference] Temperature Tool Simple VFC [Diode Voltage Reference] Temperature Tool Simple VFC [Resistive Divider Offset Reference] Temperature Tool Simple VFC [Resistive Divider Offset Reference] Temperature Tool Simple VFC [Resistive Divider Offset Reference - Slim Tool] Caliper Tool Simple VFC [Resistive Divider Offset Reference] Caliper Tool Simple VFC [Resistive Divider Offset Reference - Slim Tool] Historical Schematics Old GO COSMOS Tool Schematic GO Single Tube Gamma Ray / CCL Tool