PIP II Users Manual
Contents
1. the Unit The unit is powered either from an internal 9VDC alkaline MAIN battery or an external 9 18 VDC power source NOTE The internal MAIN battery is disconnected whenever the external power source is plugged into the rear panel When utilized with the CSP4096 Compact Signal Processor a special cable allows power to be drawn from the CSP4096 The PHANTOM supply for the PROBE INPUTS is always powered by the PHANTOM battery even when the PIP Il is receiving it s power from an external source This dedicated battery allows electrical isolation of the PHANTOM power from the rest of the unit See section 3 0 for information on 9V battery replacement When the PHANTOM supply is not needed make sure that the front panel PHANTOM SUPPLY knob is pushed in to prevent unnecessary drain on the PHANTOM battery Ay Page 3 3 0 BATTERY REPLACEMENT PROCEDURE To replace the 9V batteries 1 First disconnect all cables from the unit including the DC power cable Ensure that the rear power switch is in the OFF position Loosen if thumb screws are too tight use a flathead screwdriver and remove the thumb screws on the rear panel Be careful not to damage any of the components in the PIP by static electricity Before opening the unit be sure to touch a grounded metal object Figure 3 PIP Il Rear Panel Thumb Screws CAY Page 4 2 Remove the rear panel and bezel Figure 4 PIP II Rear P2. 27 VDC or OFF Dedicated isolated internal 9V PHANTOM battery Phantom voltage applied in 10k impedance setting 10k ohms 1M ohms 0 to 100dB from inputs to LINE OUTPUT and PHONES output 75dB or better Less than 1000nVrms 100 10000Hz 0 to 60dB continuously adjustable Six pole Tschebychev highpass 310Hz cutoff 0 20 or 40dB switchable 2Vrms nominal output level Capable of driving 1K ohm load Standard isolated BNC connector 1 8 stereo phone jack drives standard 8 ohm stereo headphones 9 18VDC external DC power input Two internal 9VDC alkaline battery Battery OK LEDs and pushbutton switches for testing MAIN and PHANTOM batteries 1 5 H x 4 W x 4 4 L aluminum 19 piece Pomona probe kit including pouch GG Page 7 Page 8 Page 9
3. PROBE INTERFACE POD Model PIP User s Manual GW Creating New Directions in Digital Audio Electronics PROBE INTERFACE POD MODEL PIP USER S MANUAL March 26 1999 DIGITAL AUDIO CORPORATION A Division of Digital Recorders Inc 4018 Patriot Drive Suite 300 Durham NC 27703 Phone 919 572 6767 Fax 919 572 6786 TABLE OF CONTENTS 1 0 OVERVIEW 2 0 PIP OPERATION 2 1 Front Panel Functions 2 2 Rear Panel Functions 2 3 Powering the Unit 3 0 BATTERY REPLACEMENT PROCEDURE 4 0 SPECIFICATIONS TABLE OF FIGURES Figure 1 PIP Front Panel Figure 2 PIP Rear Panel 4 euere Figure 3 PIP Il Rear Panel Thumb Screws Figure 4 PIP II Rear Panel Removal Figure 5 PIP II Top Cover Removal Figure 6 PIP II Battery Removal 1 0 OVERVIEW The Probe Interface Pod PIP is a high performance amplifier designed for countermeasures applications Using the included 17 piece probe kit the pod can be directly interfaced to telephone lines power mains or other types of wiring Sheathed banana jacks are utilized to protect the user from accidental electrical shock and the internal circuitry is capable of withstanding voltages of up to 500VDC 350VAC A built in hum filter effectively removes 50 60Hz hum harmonics below 310 Hz allowing the 0 to 40dB output gain stage to amplify signals which might be buried Finally a built in adjustable 1 2 VDC to 27 VDG PHANTOM SUPPLY allows condenser microphones and or remo
4. anel Removal 3 While holding the base of the unit gently pull the black top cover toward the rear of the unit Figure 5 PIP II Top Cover Removal CAY Page 5 4 To remove the batteries push firmly on the back the end opposite the terminals of each battery in the direction of the terminals while prying upward The battery should snap out of its clips back end first Figure 6 PIP Il Battery Removal To insert the new batteries simply reverse the previous action First insert the terminal end of the battery by slowly prying it between the clips Next press down on the body of the battery It should snap into place Ensure that it is making good contact with the connection terminals Replace the top cover of the PIP II by sliding it back into place Re tighten the thumb screws and the PIP II is again ready to use For applications where longer battery life is needed longer life lithium batteries are available at many electronics stores CAY Page 6 4 0 SPECIFICATIONS Input Connections Input Voltage Range Phantom Supply Input Impedance Gain Range CMRR Equivalent input noise Bandwidth Input Gain Stage Hum Filter Output Gain Stage Line Output Phones Output Power Indicators Packaging Probe Kit Differential RED and BLACK sheathed banana jacks capable of accepting a wide variety of probes and attachments 500 VDC or 350 VAC Adjustable 1 2 VDC to
5. nt panel When the knob is pushed in the supply is OFF When pulled out the PHANTOM SUPPLY is turned ON The output voltage can be adjusted between 1 2 VDC and 27 VDC The PHANTOM SUPPLY voltage is applied to the probes only in the 10k ohms impedance setting the red probe will have positive polarity while the black probe will have negative polarity 2 2 Rear Panel Functions REMOVE THUMBSCREWS TO REPLACE BATTERIES POWER 6 Ki LINE ER S N ouTPuT cup BATTERY TEST z ON R MAIN PHANTOM PHONES OK OK 0 gt O I GO 9 A O O OFF A Me MADE IN USA Figure 2 PIP Rear Panel From the rear panel the user can power the unit ON and OFF attach an external power supply test the MAIN and PHANTOM batteries and connect monitoring headphones and the line output A line level OUTPUT BNC allows the unit to be directly attached to either input of the CSP4096 as well as to any other device which accepts line level audio input A 1 8 stereo phone jack allows direct connection of standard 8 ohm headphones The front panel LEVEL knob is useful in controlling the output level of the headphones as well as the line output The BATTERY TEST switches indicate the status of the internal MAIN and PHANTOM batteries If the corresponding LED fails to illuminate when either the MAIN or PHANTOM switches are pressed the corresponding internal 9V battery needs replacing CAY Page 2 2 3 Powering
6. te amplifier units which may be present on a wire pair to be powered and detected 2 0 PIP OPERATION 2 1 Front Panel Functions gt PROBE INPUTS GAV PIP I 13 MAX 500VDC VDC 350VAC GAIN HUM dB FILT 7 20 Zin LEVEL 40 N 1MQ 238 E OM L O PHANT O OUT SUPP 10kQ MADE IN USA PULL ON PROBE INTERFACE POD J Figure 1 PIP Front Panel From the front panel the user can adjust input LEVEL switch the 6 pole 310 Hz Tschebychev HUM filter IN or OUT of the circuit apply 0 to 40dB of GAIN to the final output select the input impedance and control the PHANTOM supply To vary the input level of the source signal use the LEVEL adjustment knob Two input impedance options are provided 10 k ohms lowest impedance and 1 M ohm highest impedance For most applications where high voltage is not present the 10k setting is recommended The 1 M ohm setting is recommended when interfacing to power mains or in situations where it is desired that the PIP Il place an absolute minimum load on the line under test The input impedance can be switched between 1 M ohm and 10 k ohms via the Zi switch CAY Page 1 The GAIN switch allows three different output gains to be applied to the signal in addition to the main LEVEL adjustment knob These gain values are O no gain 20 dB 10X gain and 40 dB 100X gain The PHANTOM SUPPLY is controlled via its knob on the fro
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