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    SURROUND SOUND SUBWOOFER CIRCUITS Search Results

    SURROUND SOUND SUBWOOFER CIRCUITS Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    TLP2701 Toshiba Electronic Devices & Storage Corporation Photocoupler (photo-IC output), 5000 Vrms, 4pin SO6L Visit Toshiba Electronic Devices & Storage Corporation
    74HC4053FT Toshiba Electronic Devices & Storage Corporation CMOS Logic IC, SPDT(1:2)/Analog Multiplexer, TSSOP16B, -40 to 125 degC Visit Toshiba Electronic Devices & Storage Corporation
    74HC4051FT Toshiba Electronic Devices & Storage Corporation CMOS Logic IC, SP8T(1:8)/Analog Multiplexer, TSSOP16B, -40 to 125 degC Visit Toshiba Electronic Devices & Storage Corporation
    TCKE800NA Toshiba Electronic Devices & Storage Corporation eFuse IC (electronic Fuse), 4.4 to 18 V, 5.0 A, Auto-retry, WSON10B Visit Toshiba Electronic Devices & Storage Corporation
    TCKE800NL Toshiba Electronic Devices & Storage Corporation eFuse IC (electronic Fuse), 4.4 to 18 V, 5.0 A, Latch, WSON10B Visit Toshiba Electronic Devices & Storage Corporation

    SURROUND SOUND SUBWOOFER CIRCUITS Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    application note

    Abstract: 2.1 surround sound circuits 5.1 subwoofer amp 5.1 surround sound circuits 5.1 speaker with subwoofer circuit diagram subwoofer amp circuit car subwoofer amp circuits subwoofer filter circuit low pass subwoofer circuit diagram transistor subwoofer circuit diagram
    Text: NJU26125 Application Note Acoustical Property Adjustment Procedure Manual New Japan Radio Co., Ltd Version 1.02 NJU26125 Acoustical Property Adjustment Procedure Manual CONTENTS 1.ABSTRACT .2


    Original     		PDF NJU26125 application note 2.1 surround sound circuits 5.1 subwoofer amp 5.1 surround sound circuits 5.1 speaker with subwoofer circuit diagram subwoofer amp circuit car subwoofer amp circuits subwoofer filter circuit low pass subwoofer circuit diagram transistor subwoofer circuit diagram

    80w stereo amplifier with bass and treble circuit

    Abstract: YAMAHA DSP 200w subwoofer circuit 5.1 remote control home theater circuit diagram DSP-A1092 BEST active subwoofer Speaker 80W 80w stereo amplifier with bass and treble 80w audio amplifier with tone control 2.1 subwoofer diagram 100w amp
    Text: NATURAL SOUND AV AMPLIFIER CINEMA DSP 7ch DSP–A1092 VOLUME l6 VCR 2 VCR 1 20 DVD/LD l2 28 8 60 2 POWER VIDEO AUX TAPE MD TV/DBS TUNER PHONO CD 4 40 –dB l ON OFF l 2 3 4 A PHONES SPEAKERS 4 5 B BASS TONE EXTENSION BYPASS l 2 3 5 l 2 l 2 3 3 4 4 5 5 SOURCE


    Original     		PDF A1092 dB/55 CEDEX02, VY77910 80w stereo amplifier with bass and treble circuit YAMAHA DSP 200w subwoofer circuit 5.1 remote control home theater circuit diagram DSP-A1092 BEST active subwoofer Speaker 80W 80w stereo amplifier with bass and treble 80w audio amplifier with tone control 2.1 subwoofer diagram 100w amp

    car subwoofer amplifier schematic circuit diagram

    Abstract: 5.1 surround sound amplifier circuits subwoofer schematic circuit for car audio amplifier 5.1 surrounding system circuit diagram subwoofer preamplifier circuit 5.1 surround sound diagrams subwoofer amplifier circuit diagram low pass subwoofer circuit diagram 5.1 surround sound dolby circuit diagrams 5.1 channel assembled home theater circuit diagram
    Text: a Decoder 5.1-Channel Soundfield Generator SSM2005 PIN CONFIGURATIONS FEATURES Generates 5.1-Channel Soundfield from All Stereo Sources No Pre-Encoding Required Excellent Decoding of Pre-Encoded Sources 4- or 5-Speaker Operation Subwoofer Output Full Bandwidth on All Channels


    Original     		PDF SSM2005 48-Lead SSM2005 C3628 car subwoofer amplifier schematic circuit diagram 5.1 surround sound amplifier circuits subwoofer schematic circuit for car audio amplifier 5.1 surrounding system circuit diagram subwoofer preamplifier circuit 5.1 surround sound diagrams subwoofer amplifier circuit diagram low pass subwoofer circuit diagram 5.1 surround sound dolby circuit diagrams 5.1 channel assembled home theater circuit diagram

    colour tv circuit diagram singer

    Abstract: JBL subwoofer filter circuits SANSUI all circuit diagram yamaha rx-v420 goodmans module 80 colour tv circuit diagram of salora gradiente pm 80 china DVD player power circuit diagram sansui tv diagram rx-v520
    Text: UCA RX-V520 RX-V420 Natural Sound AV Receiver Ampli-tuner audio-vidéo YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA


    Original     		PDF RX-V520 RX-V420 CEDEX02, V728130 colour tv circuit diagram singer JBL subwoofer filter circuits SANSUI all circuit diagram yamaha rx-v420 goodmans module 80 colour tv circuit diagram of salora gradiente pm 80 china DVD player power circuit diagram sansui tv diagram rx-v520

    schematic diagram surround sony

    Abstract: 3402G subwoofer circuit diagram subwoofer amplifier circuit diagram simple surround circuit diagram subwoofer ic type amplifier circuit diagram 5.1 channel surround sound IC passive subwoofer crossover ACTIVE SUBWOOFER WITH AMP PCB 3d SURROUND sound system
    Text: PRELIMINARY DATA SHEET MICRONAS Edition May 22, 2000 6251-520-1PD MSP34x2G Multistandard Sound Processor Family with Dolby Surround Pro Logic MICRONAS MSP 34x2G PRELIMINARY DATA SHEET Contents Page Section Title 6 6 7 7 8 1. 1.1. 1.2. 1.3. 1.4. Introduction


    Original     		PDF 6251-520-1PD MSP34x2G 34x2G 34x2G schematic diagram surround sony 3402G subwoofer circuit diagram subwoofer amplifier circuit diagram simple surround circuit diagram subwoofer ic type amplifier circuit diagram 5.1 channel surround sound IC passive subwoofer crossover ACTIVE SUBWOOFER WITH AMP PCB 3d SURROUND sound system

    5.1 channel surround sound IC

    Abstract: schematic diagram surround sony subwoofer amplifier circuit diagram Schematic active subwoofer circuit diagram subwoofer circuit diagram subwoofer ic type amplifier circuit diagram circuit diagram of 7.1 surround sound simple subwoofer 2.1 high pass filter schematic 5.1 surround sound dolby circuits passive subwoofer circuit diagram
    Text: PRELIMINARY DATA SHEET MICRONAS Edition March 5, 2001 6251-520-2PD MSP 34x2G Multistandard Sound Processor Family with Dolby Surround Pro Logic MICRONAS MSP 34x2G PRELIMINARY DATA SHEET Contents Page Section Title 6 6 7 7 8 1. 1.1. 1.2. 1.3. 1.4. Introduction


    Original     		PDF 6251-520-2PD 34x2G 34x2G 5.1 channel surround sound IC schematic diagram surround sony subwoofer amplifier circuit diagram Schematic active subwoofer circuit diagram subwoofer circuit diagram subwoofer ic type amplifier circuit diagram circuit diagram of 7.1 surround sound simple subwoofer 2.1 high pass filter schematic 5.1 surround sound dolby circuits passive subwoofer circuit diagram

    YSS 928

    Abstract: YSS-918 dts decoder circuits RX-V520 YSS-928 surround sound subwoofer circuits yamaha rx-v496 yamaha subwoofer amplifier DTS amplifier RX-V420
    Text: NewProduct Information New Product Information RX-V520 Digital Home Theater Receiver Tri-Field CINEMA DSP, DTS Digital Surround, Dolby Digital, Equal Power for All Five Channels, Versatile Connections including Front Panel Optical Digital Out. At a High-Demand Price Point, This is a Focal


    Original     		PDF RX-V520 RX-V420 RX-V420 API521R-RXV520/V420 YSS 928 YSS-918 dts decoder circuits RX-V520 YSS-928 surround sound subwoofer circuits yamaha rx-v496 yamaha subwoofer amplifier DTS amplifier

    5.1 surround sound dolby circuits

    Abstract: master volume control for 5.1 audio amp NJU26106 pink noise generator block diagram of 5.1 surround sound 5.1 surround sound circuits 5.1 surround sound dolby circuits N prologic II Dolby prologic II NJU26100 5.1 subwoofer amp 3d surround sound circuits
    Text: NJU26106 Dolby Pro Logic II / Virtual Dolby Surround Decoder • General Description The NJU26106 is a digital audio signal decoder that provides the function of Dolby Pro Logic II and Virtual Dolby Surround. The NJU26106 processes the stereo matrix-encoded signal into spacious sound


    Original     		PDF NJU26106 NJU26106 5.1 surround sound dolby circuits master volume control for 5.1 audio amp pink noise generator block diagram of 5.1 surround sound 5.1 surround sound circuits 5.1 surround sound dolby circuits N prologic II Dolby prologic II NJU26100 5.1 subwoofer amp 3d surround sound circuits

    schematic diagram surround sony

    Abstract: 5.1 surround sound dolby pcb dolby sound system circuit diagrams all FM stereo MPX Decoder 5.1 surround sound dolby circuits diagrams passive subwoofer crossover Dolby headphone circuit diagram block diagram fm transmitter passive subwoofer passive subwoofer circuit diagram
    Text: DATA SHEET MICRONAS Edition June 3, 2003 6251-520-1DS MSP 34x2G Multistandard Sound Processor Family with Dolby Pro Logic MICRONAS MSP 34x2G DATA SHEET Contents Page Section Title 7 7 8 8 9 1. 1.1. 1.2. 1.3. 1.4. Introduction Features Features of the MSP 34x2G Family


    Original     		PDF 6251-520-1DS 34x2G 34x2G schematic diagram surround sony 5.1 surround sound dolby pcb dolby sound system circuit diagrams all FM stereo MPX Decoder 5.1 surround sound dolby circuits diagrams passive subwoofer crossover Dolby headphone circuit diagram block diagram fm transmitter passive subwoofer passive subwoofer circuit diagram

    subwoofer ic type amplifier circuit diagram

    Abstract: analog 5 band equalizer 12v active subwoofer IC simple subwoofer circuit diagram loudness,bass,treble 12v subwoofer amp circuits bass control in stereo subwoofer amp circuit subwoofer ic HPR3-00 5.1 subwoofer ic type amplifier circuit diagram
    Text: STV82x6 Multistandard TV Audio Processor and Digital Sound Demodulator HPD BUS0 BUS1 SDA SCL WS SCK SDO ST IRQ DATASHEET Headphone Detection Interrupt Request Stereo Flag STV82x6 I²C Interface I²S Interface I²C Bus Expander Demodulation Audio Processing


    Original     		PDF STV82x6 subwoofer ic type amplifier circuit diagram analog 5 band equalizer 12v active subwoofer IC simple subwoofer circuit diagram loudness,bass,treble 12v subwoofer amp circuits bass control in stereo subwoofer amp circuit subwoofer ic HPR3-00 5.1 subwoofer ic type amplifier circuit diagram

    loudness,bass,treble

    Abstract: 3D surround sound subwoofer ICs I2C sound equalizer 4ch sub woofer subwoofer ic BC337-40 STV8206 STV8216 automatic gain control ic audio STV8236
    Text: STV82x6 Multistandard TV Audio Processor and Digital Sound Demodulator HPD BUS0 BUS1 SDA SCL WS SCK SDO ST IRQ DATASHEET Headphone Detection Interrupt Request Stereo Flag STV82x6 I²C Interface I²S Interface I²C Bus Expander Demodulation Audio Processing


    Original     		PDF STV82x6 loudness,bass,treble 3D surround sound subwoofer ICs I2C sound equalizer 4ch sub woofer subwoofer ic BC337-40 STV8206 STV8216 automatic gain control ic audio STV8236

    smd c46

    Abstract: SONY APS 288 smd transistor SRS STV8216 12v subwoofer amp circuits bass control in stereo 12v active subwoofer IC scart STV8206 smd voltage regulators loa nicam stereo
    Text: STV82x6 HPD BUS0 BUS1 SDA SCL WS SCK SDO ST IRQ Multistandard TV Audio Processor and Digital Sound Demodulator Headphone Detection Interrupt Request Stereo Flag STV82x6 I²C Interface I²S Interface I²C Bus Expander Demodulation Audio Processing A/D AI1L


    Original     		PDF STV82x6 smd c46 SONY APS 288 smd transistor SRS STV8216 12v subwoofer amp circuits bass control in stereo 12v active subwoofer IC scart STV8206 smd voltage regulators loa nicam stereo

    subwoofer ic type amplifier circuit diagram

    Abstract: 5.1 home theatre circuit diagram simple subwoofer circuit diagram 5.1 subwoofer ic type amplifier circuit diagram subwoofer amplifier circuit diagram bass treble control circuit for woofer subwoofer audio amplifier circuit diagram 5.1 subwoofer amp subwoofer circuit diagram 2.1 to 5.1 home theatre circuit diagram
    Text: STV82x6 Multistandard TV Audio Processor and Digital Sound Demodulator HPD BUS0 BUS1 SDA SCL WS SCK SDO ST IRQ DATASHEET Headphone Detection Interrupt Request Stereo Flag STV82x6 I²C Interface I²S Interface I²C Bus Expander Demodulation Audio Processing


    Original     		PDF STV82x6 subwoofer ic type amplifier circuit diagram 5.1 home theatre circuit diagram simple subwoofer circuit diagram 5.1 subwoofer ic type amplifier circuit diagram subwoofer amplifier circuit diagram bass treble control circuit for woofer subwoofer audio amplifier circuit diagram 5.1 subwoofer amp subwoofer circuit diagram 2.1 to 5.1 home theatre circuit diagram

    master volume control for 5.1 audio amp

    Abstract: 5.1 surround sound dolby circuits 5.1 surround sound circuits 2.1 surround sound circuits 5.1 subwoofer amp philips av subwoofer 15 pin input diagram Dolby prologic II block diagram of 5.1 surround sound dolby SURROUND DECODER pro logic II function for stereo inputs
    Text: NJU26106 Dolby Pro Logic II / Virtual Dolby Surround Decoder • General Description The NJU26106 is a digital audio signal decoder that provides the function of Dolby Pro Logic II and Virtual Dolby Surround. The NJU26106 processes the stereo matrix-encoded signal into spacious sound


    Original     		PDF NJU26106 NJU26106 NJU26106FR1 master volume control for 5.1 audio amp 5.1 surround sound dolby circuits 5.1 surround sound circuits 2.1 surround sound circuits 5.1 subwoofer amp philips av subwoofer 15 pin input diagram Dolby prologic II block diagram of 5.1 surround sound dolby SURROUND DECODER pro logic II function for stereo inputs

    subwoofer preamplifier circuit diagram

    Abstract: BEST BASS TREBLE CIRCUIT pcb layout subwoofer pre circuits BD3402KS2 BD3401K
    Text: Sound Processors for BOOM BOX / Mini-component Stereo Single Power Supply Sound Processors with Built-in Pre Amplifier for Tape Recording and Play Back With Integrated 2-/3- band Equalizer BD3401KS2,BD3402KS2 No.10086EAT03 ●Description The Sound Processor with built-in record/play functions for cassette players, is suited for sound quality products such as,


    Original     		PDF BD3401KS2 BD3402KS2 10086EAT03 BD3401KS2) R1010A subwoofer preamplifier circuit diagram BEST BASS TREBLE CIRCUIT pcb layout subwoofer pre circuits BD3402KS2 BD3401K

    sharp 3d SURROUND sound system manual

    Abstract: free passive subwoofer circuit diagram 3421G FM stereo MPX Decoder passive subwoofer crossover subwoofer diagram using dual op amp subwoofer filter circuit diagram led based graphic equalizer ic passive subwoofer passive subwoofer circuit diagram
    Text: DATA SHEET MICRONAS Edition May 27, 2003 6251-511-1DS MSP 34x1G Multistandard Sound Processor Family with Virtual Dolby Surround MICRONAS MSP 34x1G DATA SHEET Contents Page Section Title 6 7 7 8 1. 1.1. 1.2. 1.3. Introduction Features of the MSP 34x1G Family


    Original     		PDF 6251-511-1DS 34x1G 34x1G sharp 3d SURROUND sound system manual free passive subwoofer circuit diagram 3421G FM stereo MPX Decoder passive subwoofer crossover subwoofer diagram using dual op amp subwoofer filter circuit diagram led based graphic equalizer ic passive subwoofer passive subwoofer circuit diagram

    BD3401KS2

    Abstract: BD340 subwoofer preamplifier circuit subwoofer preamplifier circuit diagram BEST BASS TREBLE CIRCUIT subwoofer pre circuits BD3402 subwoofer pre bd3401 BD3402KS2
    Text: Sound Processors for BOOM BOX / Mini-component Stereo Single Power Supply Sound Processors with Built-in Pre Amplifier for Tape Recording and Play Back With Integrated 2-/3- band Equalizer BD3401KS2,BD3402KS2 No.10086EAT03 ●Description The Sound Processor with built-in record/play functions for cassette players, is suited for sound quality products such as,


    Original     		PDF BD3401KS2 BD3402KS2 10086EAT03 BD3401KS2) R1010A BD340 subwoofer preamplifier circuit subwoofer preamplifier circuit diagram BEST BASS TREBLE CIRCUIT subwoofer pre circuits BD3402 subwoofer pre bd3401 BD3402KS2

    CSB503F58

    Abstract: PLCC68 TDA9855 TDA9855WP 5.1 subwoofer ic type amplifier circuit diagram sot188cg sot247ah
    Text: INTEGRATED CIRCUITS DATA SHEET TDA9855 I2C-bus controlled BTSC stereo / SAP decoder and audio processor Preliminary specification File under Integrated Circuits, IC02 July 1994 Philips Semiconductors Preliminary specification I2C-bus controlled BTSC stereo / SAP


    Original     		PDF TDA9855 CSB503F58 PLCC68 TDA9855 TDA9855WP 5.1 subwoofer ic type amplifier circuit diagram sot188cg sot247ah

    5.1 surround sound dolby circuits

    Abstract: Dolby prologic II subwoofer amp 5.1 surround transistor subwoofer circuit diagram audio crossover filter car audio crossover Dolby prologic prologic II 5.1 circuit diagram subwoofer circuit diagram subwoofer filter circuit diagram
    Text: NJU26106 Dolby Pro Logic II / Virtual Dolby Surround Decoder •Package ■ General Description The NJU26106 is a digital audio signal decoder that provides the function of Dolby Pro Logic II and Virtual Dolby Surround. The NJU26106 processes the stereo matrix-encoded signal into spacious sound


    Original     		PDF NJU26106 NJU26106 NJU26106FR1 5.1 surround sound dolby circuits Dolby prologic II subwoofer amp 5.1 surround transistor subwoofer circuit diagram audio crossover filter car audio crossover Dolby prologic prologic II 5.1 circuit diagram subwoofer circuit diagram subwoofer filter circuit diagram

    5.1 surround sound dolby circuits

    Abstract: surround sound subwoofer circuits 200H NJU26100 NJU26106 NJU26106FR1 QFP32-R1
    Text: NJU26106 Dolby Pro Logic II / Virtual Dolby Surround Decoder •Package ■ General Description The NJU26106 is a digital audio signal decoder that provides the function of Dolby Pro Logic II and Virtual Dolby Surround. The NJU26106 processes the stereo matrix-encoded signal into spacious sound


    Original     		PDF NJU26106 NJU26106 NJU26106FR1 5.1 surround sound dolby circuits surround sound subwoofer circuits 200H NJU26100 NJU26106FR1 QFP32-R1

    subwoofer CROSSOVER

    Abstract: subwoofer 80Hz low pass filter 20 led VU meter stereo NJU25007 sub-woofer 2.1ch QFP-80 5.1 surround sound dolby circuits diagrams 6.1 surround sound circuits mono sound switch JRC 10 LED VU meter
    Text: PRELIMINARY M JR C J U 2 5 Q 7 VMAx 3 D VirtualTheater Digital Audio Processor A y nni°°u»i nniooiaysubmunoi V JL V LZ V A SURRO UND D e s c rip tio n The NJU25007 is a digital surround sound processor which P R O • L O Q I C F e a tu re s ♦ VMAx™ 3D VirtualTheater Audio Surround Processing


    OCR Scan     		PDF NJU25007 DS00007A subwoofer CROSSOVER subwoofer 80Hz low pass filter 20 led VU meter stereo sub-woofer 2.1ch QFP-80 5.1 surround sound dolby circuits diagrams 6.1 surround sound circuits mono sound switch JRC 10 LED VU meter

    low pass subwoofer circuit diagram

    Abstract: subwoofer circuit diagram 5.1 surround sound circuits 5.1 subwoofer amp 5.1 surround sound dolby circuits tv subwoofer circuit diagram subwoofer filter circuit block diagram of 5.1 surround sound 2.1 subwoofer transistor subwoofer circuit diagram
    Text: PRELIMINARY M JR C J U 2 5 Q 7 VMAx 3 D VirtualTheater Digital Audio Processor A y nni°°u»i nniooiaysubmunoi V JL V LZ V A SURRO UND D e s c rip tio n The NJU25007 is a digital surround sound processor which P R O • L O Q I C F e a tu re s ♦ VMAx™ 3D VirtualTheater Audio Surround Processing


    OCR Scan     		PDF NJU25007 NJU25007 DS00007A low pass subwoofer circuit diagram subwoofer circuit diagram 5.1 surround sound circuits 5.1 subwoofer amp 5.1 surround sound dolby circuits tv subwoofer circuit diagram subwoofer filter circuit block diagram of 5.1 surround sound 2.1 subwoofer transistor subwoofer circuit diagram

    4.1-Channel Audio Processor

    Abstract: 5.1CH subwoofer IC 5.1 channel surround sound IC NJU25006 5.1 surround sound circuits 5.1 surround sound dolby circuits diagrams 768fs clock generator 7.1 surround sound dolby reference design subwoofer 80Hz low pass filter block diagram of 5.1 surround sound 5.1 surround sound circuits 5.1 surround sound dolby circuits N
    Text: 4 JÈ> A P R EL IM IN A R Y NJU25006 Virtual Dolby Surround Processor ïia m i n n io o tg y SURROUND Description Features The NJU25006 is an all-digital surround sound processor that decodes matrix-encoded stereo and produces 2.1 channel PCM digital 3D audio. Because the NJU25006 initially


    OCR Scan     		PDF NJU25006 L001C NJU25006 JU25006 -30dB DS00004A QFP-80 4.1-Channel Audio Processor 5.1CH subwoofer IC 5.1 channel surround sound IC 5.1 surround sound circuits 5.1 surround sound dolby circuits diagrams 768fs clock generator 7.1 surround sound dolby reference design subwoofer 80Hz low pass filter block diagram of 5.1 surround sound 5.1 surround sound circuits 5.1 surround sound dolby circuits N

    5.1 surround sound dolby circuits

    Abstract: 5.1 surround sound circuits subwoofer circuit diagram circuit diagram of 7.1 surround sound BEST active subwoofer block diagram of 5.1 surround sound 5.1 surround sound diagrams low pass subwoofer circuit diagram 2.1 subwoofer 5.1 surround sound dolby circuits diagrams
    Text: 4 JÈ> A P R EL IM IN A R Y NJU25006 Virtual Dolby Surround Processor ïia m i n n io o tg y SURROUND Description Features The NJU25006 is an all-digital surround sound processor that decodes matrix-encoded stereo and produces 2.1 channel PCM digital 3D audio. Because the NJU25006 initially


    OCR Scan     		PDF NJU25006 OS00004A NJU25006 QFP-80 20x14 5.1 surround sound dolby circuits 5.1 surround sound circuits subwoofer circuit diagram circuit diagram of 7.1 surround sound BEST active subwoofer block diagram of 5.1 surround sound 5.1 surround sound diagrams low pass subwoofer circuit diagram 2.1 subwoofer 5.1 surround sound dolby circuits diagrams