The new Velleman Projects catalogue is now available. Download your copy here:
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1 The new Velleman Projects catalogue is now available. Download your copy here: Modifications and typographical errors reserved - Velleman nv. H8098 IP 2 (rev.1.0) Velleman NV, Legen Heirweg Gavere.
2 Velleman N.V. Legen Heirweg Gavere (België)
3 Forum Participate our Velleman Projects Forum Subscribing our newsletter?, visit
4 DO NOT BLINDLY FOLLOW THE ORDER OF THE COMPONENTS ONTO THE TAPE. ALWAYS CHECK THEIR VALUE ON THE PARTS LIST! - 4 -
5 assembly hints 1. Assembly (Skipping this can lead to troubles! ) Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 Make sure you have the right tools: A good quality soldering iron (25-40W) with a small tip. Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called thinning and will protect the tip, and enables you to make good connections. When solder rolls off the tip, it needs cleaning. Thin raisin-core solder. Do not use any flux or grease. A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads, hold the lead so they cannot fly towards the eyes. Needle nose pliers, for bending leads, or to hold components in place. Small blade and Phillips screwdrivers. A basic range is fine. ) For some projects, a basic multi-meter is required, or might be handy 1.2 Assembly Hints : Make sure the skill level matches your experience, to avoid disappointments. Follow the instructions carefully. Read and understand the entire step before you perform each operation. Perform the assembly in the correct order as stated in this manual Position all parts on the PCB (Printed Circuit Board) as shown on the drawings. Values on the circuit diagram are subject to changes, the values in this assembly guide are correct* Use the check-boxes to mark your progress. Please read the included information on safety and customer service * Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as NOTE on a separate leaflet. 1.3 Soldering Hints : 1. Mount the component against the PCB surface and carefully solder the leads Make sure the solder joints are cone-shaped and shiny 3. Trim excess leads as close as possible to the solder joint - 5 -
6 Features - measure:» peak power (fig.1)» RMS power (fig.2)» mean db (fig.3)» peak db (fig.4)» linear audio spectrum (fig.5)» 1/3 octave audio spectrum (fig.6) - auto or manual range selection - peak-hold function - speaker impedance selection - language selection - white backlit LCD - easy panel mounting Specifications - power measurement into 2, 4 or 8 ohms + bridged amp option - range: 300mW to 2 ohms - sensitivity: -34dBu (15.5 mvrms) - max. input level: 220k - frequency range: 20Hz to 20kHz - power supply: 12VDC / 75mA - dimensions:» display: 128 x 64pixels (46 x 23mm / 1.8 x 0.90 )» front panel: 98 x 51mm / 3.8 x 2» mounting depth: 35mm / 1.37 Fig.1 Fig.2 Fig.3 Fig.4 Fig.5 Fig.6 reversed - 6 -
7 Construction I. CONSTRUCTION The audio analyzer consist of three parts: the basic module, the display module and the front panel. If required you can mount this kit into a housing, panel,... In this case use the display gap as a marker reference. First we assemble the basic module. Basic module 1 Jumper wire 2 Resistors R... R... R... J1 J2 J3 J4 J5 J6 R1 : 470 ( B) R2 : 1K ( B) R3 : 1K ( B) R4 : 220K ( B) R5 : 33K ( B) R6 : 33K ( B) R7 : 22K ( B) R8 : 750 ( B) R9 : 180K ( B) R10 : 2K2 ( B) R11 : 6K8 ( B) R12 : 6K8 ( B) R13 : 680 ( B) R14 : 3K3 ( B) R15 : 750 ( B) R16 : 5K6 ( B) R17 : 220 ( B) R18 : 22K ( B) 3 Diode Watch the polarity! D1 : 1N IC-socket 5 Coil L... L... L... Watch the position of the notch! IC1 : 8p IC2 : 28p L... L... L... L... L... L1 : 4700µH ( B) L...
8 Construction 6 Voltage regulator 8 Pin header 1 9 E 2 (a) PCB VR1 : LM317 7 Ceramic Capacitors C... C... C1 C2 C3 10 (b) : 100nF (104) : 100nF (104) : 100nF (104) C9 : 4.7nF (472) C10 : 470pF (471) C11 : 47pF (47) 11 3 ) C12,C13 & X1 are not mounted! ) Solderside -8-
9 Construction 9 Electrolytic Capacitor Watch the polarity! C4 : 10µF C5 : 10µF C6 : 220µF C7 : 220µF C8 : 4,7µF C14 : 4,7µF 10 Board-to-wire connector 12 IC s IC1 : MCP6002-E/P Watch the position of the notch! SK1 11 Push button Mount the button on the solderside! IC1 : VKVPA20 (programmed DSPIC33FJ32I/SP) SW1-9 -
10 Construction Display module Follow these steps for correct soldering SMD components. II. 3 LCD 1 Capacitors C1 C2 C3 C4 C5 : 1µF : 1µF : 1µF : 1µF : 1µF 1. Rou C6 C7 C8 C9 C10 2. Ass : 1µF : 1µF : 1µF : 1µF : 1µF 2 Male header 3. Pos Tem Mount the female connector on the component side, solder on the display side!! Be careful when soldering the LCD connections. Overheating will damage the LCD screen
11 Assembly II. ASSEMBLY 1. Roughen the 4 bolts with a knife, a file or some abrasive paper so it will be easier to solder them to the front panel. 2. Assemble the unit but do not yet tighten the bolts (fig.1). 3. Position the unit onto the rear of the front panel with the display is centred in the cut-away. Temporarily fix the unit to the rear using non-permanent tape (fig. 2 dering s. mage
12 Assembly 4. Solder 2 diagonal bolts to the front panel. Check if the display is still centred in the cut-away. Solder the remaining 2 bolts (fig. 3). 5. Now, fix the whole unit using the 4 nuts and remove the tape III.
13 (fig. 3). Connection III. CONNECTION Ex. bridged amplifier or high power radio DO NOT CONNECT TO K8098 Bridged Amplifier orange Speaker OUT Do not connect! orange ) Activate BRIDGED function in setup-menu + battery yellow Signal IN +12V battery red brown / chassis High-Power car radio
14 Connection Ex. ConnECtEd to speaker output Ex. ConnECtEd to speaker output yellow Speaker OUT IV. Short p Long p orange red Amplifier ex. K V battery brown yellow Signal IN orange red 12V battery brown hint For stereo ConnECtion From amplifier or LINE OUT L+ 10K 10K SIGNAL TO K8098 R Access on the Shor long Keep
15 Use IV. USE Short press on the mode button: selecting a meter-display. Long press on the mode button: opening the set-up menu. set-up menu Access to the Set-up menu by a long push on the mode button. Speed: refreshing the screen (Fast - Mid - Slow) Impedance: 2, 4 or 8 ohms for speaker output power calculation, in case the unit is connected to speaker output. Power: AUTO range or a maximum value that depends on the chosen impedance. For impedance = 2: Possible choices are 1200 mw, 12W, 120W or 1200W For impedance = 4: Possible choices are 600 mw, 6W, 60W or 600W For impedance = 8: Possible choices are 300 mw, 3W, 30W or 300W Sticky Bar: Yes or No. When selected, small residual sticky bars appear also on the third octave spectrum screen. Spectrum db: dbu or 110 db. (110 db stands for the Power db display which can range from 80dB to 110dB max, depending on the selected Power range). Advanced settings: see pag. 16 Short press: changing settings long press: next function Keep pressed: save changes and exit
16 Use advanced settings Language: UK / NL / FR / DE / ES Contrast : choose a contrast between 1-20 Reverse video: normal or reverse display True mean: Yes or no. If no is selected then the display gives the integrated peak values. If a pure sine wave is used both values will be the same. Bridge amplifier: Turn on in case of in car use with high power radio or amplifier. Demo: showing the different screen layouts, you can choose (slow - fast - off) First open the set-up menu with a long press on the mode button and choose the mode advanced settings. Short press: changing settings long press: next function Keep pressed: save changes and exit
17 PCB
18 Diagram C7 220µF/25V C1 100n I O ADJ VR1 LM317 C3 100n C4 10µF L1 47mH C2 100n C5 10µF C6 220µF/25V R8 750 R1 470 R2 1K R3 1K IC1B TLV IC1A TLV272 R9 180K R7 22K R6 33K R5 33K R4 220K C8 4µ7 C11 47p C10 470p R12 6K8 R16 5K6 C9 4n7 R VDD AVDD AVREF AVDD AVDD R R10 2K2 R11 6K8 D1 1N4007 X1 7.37MHz C13 27 C12 27 C14 4µ7 Tant. VDD R AVREF VDD DB0 11 DB1 10 DB2 9 DB3 8 DB4 7 DB5 6 DB6 5 DB7 4 A0 14 RD 12 WR 13 CS1B 16 C86 3 VSS 1 VDD 2 RES 15 A 17 K 18 LCD1 LCD DISPLAYTECH 64128N AN0/VREF+/CN2/RA0 2 AN1/VREF-/CN3/RA1 3 PGED1/AN2/C2IN-/RP0/CN4/RB0 4 PGEC1/AN3/C2IN+/RP1/CN5/RB1 5 AN4/RP2/CN6/RB2 6 AN5/RP3/CN7/RB3 7 VSS 8 OSCI/CLKI/CN30/RA2 9 OSCO/CLKO/CN29/RA3 10 SOSCI/RP4/CN1/RB4 11 TDO/SDA1/RP9/CN21/RB9 18 AVDD 28 AVSS 27 AN9/RP15/CN11/RB15 26 AN10/RP14/CN12/RB14 25 AN11/RP13/CN13/RB13 24 AN12/RP12/CN14/RB12 23 SOSCO/T1CK/CN0/RA4 12 VDD 13 PGED3/ASDA1/RP5/CN27/RB5 14 PGEC3/ASCL1/RP6/CN24/RB6 15 INT0/RP7/CN23/RB7 16 TCK/SCL1/RP8/CN22/RB8 17 VSS 19 MCLR 1 VCAP/VDDCORE 20 PGED2/TDI/RP10/CN16/RB10 21 PGEC2/TMS/RP11/CN15/RB11 22 IC2 DSPIC33FJ32GP202-I/SP VDD SW1 SW KRS0611 VDD R18 22K R14 3K SK1 CON BTWM4 +V +V
19 Leds and how to use them Leds feature a specific voltage drop, depending on type and colour. Check the datasheet for exact voltage drop and rated current! Never connect leds in parallel How to Calculate the series resistor: Example: operate a red led (1.7V) on a 9Vdc source. Required led current for full brightness: 5mA (this can be found in the datasheet of the led) Supply voltage (V) - led voltage (V) = series resistance (ohms) required current (A) 9V - 1.7V = 1460 ohm 0.005A Required resistor power handling= voltage over resistor x current passed trough resistor (9V - 1.7V) x 0.005A = 0.036W closest value : use a 1k5 resistor a standard 1/4W resistor will do the job open collector outputs An open collector output can be compared to a switch which switches to ground when operated LEDs in series: Example: 3 x red led (1.7V) on 9V battery Required led current for full brightness: 5mA (this can be found in the datasheet of the led) Example: How to switch an LED by means of an open collector output Supply voltage (V) - (number of leds x led voltage (V)) = series resistance (ohms) required current (A) 9V - (3 x1.7v) = 780 ohm 0.005A use an 820 ohm resistor
20 The new Velleman Projects catalogue is now available. Download your copy here: Modifications and typographical errors reserved - Velleman nv. H8098 IP 2 (rev.1.0) Velleman NV, Legen Heirweg Gavere.
K8025 VIDEO PATTERN GENERATOR. Check the picture quality of your monitor or TV, ideal for adjustment or troubleshooting.
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