io basic manual
Contents
1. Envelope 1 Attenuator Envelope 1 Output Envelope 2 Attenuator Envelope 2 Output Envelope 2 Lag Gate LED Gate and Trigger Gate Trigger Trip Outputs Level Page 2 Controls and Operation Input Jacks Output Jack Gain Pot Range Switch X10 X100 X500 Before plugging in an external signal turn the Gain control down and set the Range switch to the minimum required For example a line level signal from a keyboard or consumer audio product would need the X10 setting A non preamped guitar or microphone might require the X100 or X500 setting Note that the X10 position is DC coupled with low offset voltages so control voltages can be easily processed For the X100 X500 setting avoid turning the Range pot full CW without a signal input as oscillation may occur Connect the Out jack to any other module as required for example the Final Filtre The 1 4 input is a stereo jack allowing for an internal 5V power supply to be connected to external devices In the standard factory configuration the 5V is placed on the ring of a stereo input plug although DIP switches S2 on the IO PCB allow the user to assign the signal and power functions to either the tip or ring of the stereo plug In general we would advise using the factory settings for S2 as this allows most inputs without having to change the switch settings For example using2. a mono plug for the input the 5V out sees common and is shut off by internal sensing circuitry Using a stereo plug places the 5V on the ring of the plug for use with a pedal etc Some pedals switch the tip and ring so the option is there on the DIP switch It may be more convenient however to rewire the plug of the pedal if you intend to use it only for the module The standard input impedance of the module is 100K although this can be changed via IO PCB DIP switch S3 to 470K for use with weak signals such as those from a guitar or mike This may improve high frequency response The second section of 3 allows for the disabling of the automatic switching to AC coupling for the X100 X500 ranges This should be left in the AC position unless you are attempting to amplify very small DC signals As mentioned above 52 allows for the configuration of the 1 4 Input jack As the two input jacks share a common input to the amplifier section note that these settings may also effect the 3 5mm Input jack it DIP Switch Functions PERA stre hogeacy 10 S2 Atl E 470K DC on DL zat Env 1 Atten Pot Env 2 Atten Pot Env 2 Lag Pot Output jacks An envelope follower converts the amplified signal to DC and applies low pass filtering to derive a DC voltage proportional to audio level envelope This is useful for controlling other modules Each of the two outputs can be attenuated The Env 2 output has additional low pass fil
3. IO BLACET RESEARCH MODEL 102225 Input Processor Module User Manual GATE GATE TRIG O LEVEL BLACET RESEARCH Blacet Research 15210 Orchard Rd Guerneville CA 95446 blacet blacet com http www blacet com 707 869 9164 Contents Copyright Reproduction by any means including the Internet prohibited without permission This document contains proprietary and trade secret information of Blacet Research and is provided as a service to the module owner Any unauthorized duplication or transferral may violate trade secret laws Contents subject to change without notice Page 1 Introduction The 102225 is a versatile input signal processor module designed to amplify signals from a wide variety of sources to standard modular levels of 10V p p In addition a 5V power source is included on the 1 4 Input jack to allow the easy integration of foot pedals pressure sensors etc The X10 range of the amplifier is DC coupled allowing for the processing of control voltages The envelope of the input signal is available at two outputs with attenuators with a lag control for the second output A comparator with a level control monitors the envelope and extracts Gate and Trigger information to initiate events on other modules Gain Input 3 5mm Jack Output Amplifier Gain Range X10 DC Coupled X100 X500 AC Coupled Input 1 4 Stereo Jack 5V available on ring or tip
4. Repeat the procedure using TP2 and RT2 Troubleshooting Repair Warranty If you encounter problems that you can t solve contact us preferably via e mail with a description of the problem Let us know what does and does not work We can then help you get your module working We can fix modules for a minimum fee of 25 The parts contained in this unit have been carefully selected and tested They are guaranteed for 90 days from the date of purchase If you believe that you have a defective part or if you have a part missing contact us so we can provide you with a replacement or repair Page 4 Front Panel Wiring 1 2 3 4 5 6 7 Flesh Pill etl Page 5
5. tering or lag to delay the response of the voltage in relationship to the Env 1 output These delays are in the 0 to 2 second range Gate LED Trig Outputs Level Pot By comparing the level of the envelope with a setpoint determined by the Level pot a Gate signal is generated A trigger pulse is also derived from the leading edge of the gate signal Power Input Jack J8 A source of regulated 15Vdc power must be supplied to this PCB jack to run the module Note the current requirements in the Specifications section Connections to this jack should be made only when the power supply is OFF and the connector must be positioned correctly on the pins As using the wrong supply can cause damage to the unit please contact us if you have any questions Do not attempt to use wall warts to power the module Page 3 Specifications Front Panel Size 5 25 x 3 W Module Depth 5 6 Input Output Jacks 3 5 mm 1 8 one Input jack is stereo 1 4 with optional power out Powered Jack 5V regulated 25 mA max short circuit protected Gain Range 0 500 Frequency Range 0 to 20 KHz Envelope Outputs 0 10V Gate 10V Trigger 10V 5mS Output Level 13 5V max Power 15 Vdc 35 35 mA Calibration Remove any inputs from the module and turn the Gain pot FCCW Select the X500 gain setting Connect a DMM to common at the left side of D6 and the red lead to TP1 Set the DMM to read millivolts Adjust RT1 to zero volts
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