H Ultra-Harmonizer®. INSTRUCTION MANUAL. Eventide the next step Harmonizer is a registered trademark of Eventide Inc. for its audio pitch shifta. H Ultra-Harmonizer (R) SERVICE MANUAL Eventide the next step TABLE OF CONTENTS INTRODUCTION H SPECIFICATIONS OPTIMUM. This is not mine. i tip my hat to the guy/guys who put in the effort to do this. Thank you sir and sirs service manual User manual.
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If this were a perfect world the two clock signals being compared would be exactly the same and the output of the EXOR gate would remain h3000. After “set” goes low again a high at “clear” will drive the output low. When U counts h300 zero the RCO pin goes high to enable U which counts to zero like the others and outputs a high on RCO which sends the output of U 39 low when pin 11 goes high. CLK1S is the input sample rate which is in reality The PAL is essentially a chip with many logic gates on it that can be configured by the user.
This set of programmable, synchronous dividers synchronous means that all the outputs change at the same time derive ten other clock signals.
To keep the three in step a correction circuit is used.
Extreme care should be used when working within eveentide H A high at the “set” input drives the output high. A magnitude comparator U compares the current 16 bit sample value to a jumper selected offset value and sends a “0” or a “1” to an integrator U1 6A whose filtered output is mixed with the “gross” offset from the diode biasing circuit.
U is not as simple. The address is put on the Global Data bus as a 16 bit word. The operating system is the set of instructions that makes the H tick.
H manual | Eventide
Many are mono in, stereo out which use the left channel input and shut off h33000 right. Only a very few units will need this, though it is advisable to check. Sends Brain data to the Global bus. It is most susceptible to over heating, cold starting, component tolerances and clock rise times. Each 22 microsecond sample period is evenly divided into time slots, each slot correspondinq o an available bus cycle.
The crystal oscillator that drives the converter also serves as the main clock for the entire H The DAC outputs a 20V p-p stepped analog signal. In a evebtide more detail, U7A holds the acquired sampled values and does the first nine bits of coarse integration. The input, output, mix, and feedback levels are all digitally controllable. The delay memory cycle time is once every two processor cycles.
All of the processors must stay “in sync” for the entire system to work. Set the input and output levels on the H to OdB. Trouble-shooting the digital electronics can be a bit tough.
A good understanding of differentially balanced inputs and outputs will take care of most wiring mistakes. Needless to say the 2 signals will most likely slide in and out of sync with time, temperature and component tolerances.
Its output is always enabled. Given input from the front panel and the MIDI control port, the host controls the signal processors. Sventide pin 5 is used to choose which synthesizer is being written to. Controls the Bypass Relay. The H will get very hot if the top and bottom vent slots are blocked by other devices or the unit is in a sealed road case.
The changes are not drastic and can usually be done in less than an hour. If consumer dBm levels are used, the jumpers should be moved accordingly so that your unit can operate at its optimum, high levels.
The and are of the NMOS variety and require a faster clock rise time.