Silicon ChipOuter Back Cover - April 2012 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Induction motor speed controller an intriguing design exercise
  4. Project: 1.5kW Induction Motor Speed Controller, Pt.1 by Andrew Levido
  5. Project: SoftStarter: Taming The Surge Current Menace by Nicholas Vinen
  6. Project: A 6-Decade Resistance Substitution Box by Jim Rowe
  7. Review: MikroElektronika EasyPIC v7 Development Board by Nicholas Vinen
  8. Project: Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.2 by Greg Swain
  9. Vintage Radio: Philips 196A 4-valve portable receiver by Rodney Champness
  10. PartShop
  11. Order Form
  12. Advertising Index
  13. Outer Back Cover

This is only a preview of the April 2012 issue of Silicon Chip.

You can view 24 of the 96 pages in the full issue, including the advertisments.

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Items relevant to "1.5kW Induction Motor Speed Controller, Pt.1":
  • 1.5kW Induction Motor Speed Controller PCB [10105122] (AUD $35.00)
  • dsPIC33FJ64MC802-E/SP programmed for the 1.5kW Induction Motor Speed Controller [1010512B.HEX] (Programmed Microcontroller, AUD $25.00)
  • SL32 10015 NTC thermistor (Component, AUD $7.00)
  • Firmware for 1.5kW Induction Motor Speed Controller [1010512B.HEX] (Software, Free)
  • 1.5kW Induction Motor Speed Controller panel artwork and heatsink drilling template (PDF download) (Free)
Articles in this series:
  • 1.5kW Induction Motor Speed Controller, Pt.1 (April 2012)
  • 1.5kW Induction Motor Speed Controller, Pt.2 (May 2012)
Items relevant to "SoftStarter: Taming The Surge Current Menace":
  • Soft Start Surge Suppressor PCB [10104121] (AUD $5.00)
  • SL32 10015 NTC thermistor (Component, AUD $7.00)
  • Soft Start Surge Suppressor PCB pattern (PDF download) [10104121] (Free)
Items relevant to "A 6-Decade Resistance Substitution Box":
  • Resistance Decade Box PCB [04104121] (AUD $12.50)
  • Resistance Decade Box panel/lid [04104122] (PCB, AUD $15.00)
  • Resistance Decade Box PCB pattern (PDF download) [04104121] (Free)
  • Resistance Decade Box panel artwork (PDF download) (Free)
Items relevant to "Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.2":
  • Ultra-LD Mk3 200W Amplifier Module PCB [01107111] (AUD $15.00)
  • Input Switching Module PCB for the Low Noise Preamplifier [01111112] (AUD $15.00)
  • Input Selection Pushbutton PCB for the Low Noise Preamplifier [01111113] (AUD $5.00)
  • Ultra-LD Mk3/Mk4 Amplifier Power Supply PCB [01109111] (AUD $15.00)
  • Preamp & Remote Volume Control PCB for the Ultra-LD Mk3 [01111111] (AUD $30.00)
  • Ultra-LD Mk.3 Power Supply PCB pattern (PDF download) [01109111] (Free)
  • Ultra-LD Mk.3 Amplifier PCB pattern (PDF download) [01107111] (Free)
Articles in this series:
  • Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.1 (March 2012)
  • Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.2 (April 2012)
  • Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.3 (May 2012)

Purchase a printed copy of this issue for $10.00.
Hop on in for great Easter deals MAGNETIC - STUBBY & SCREWDRIVER HOLDER 1 x LED LIGHT TELESCOPIC MAGNETIC PICK UP TOOL 2 x LED LIGHT TELESCOPIC INSPECTION MIRROR 4 PIECE MAGNETIC PICK UP TOOL & INSPECTION MIRROR SET • Holds spraycans, stubbies & screwdrivers • Steel magnetic head lifts 2kg • LED light illuminates dark areas • Cushion handle • Includes 3 x LR44 batteries • Use bright 2LED lights • Inspection mirror 50 x 80mm • Telescopic from 290 - 870mm • The material is stainless steel • Supplied with battery • Mirror extends 240-920mm • Magnet tool extends 65-695mm • Fixed & swivel magnets can carry 3.6kgs • Fixed magnet can carry 2.3kgs $ 15 15 18 $ (T703) 2.5kg CAPACITY 24 $ $ (M0006) 12mm x 825mm (M0008) (M0009) 50mm MIRROR NEW RELEASE RFM-900 RUBBER MAT MINI CLAMP KITS - 10 PIECE • 910 x 910mm (10mm thick) • Ideal for the workshop • Clips together • Suits 8mm table slot, M6 x 1.0mm stud (C0954) • 225 & 300mm spindles • Suits 10mm table slot, M8 x 1.25mm stud (C0948) • Includes scriber • Includes: 2 x T-Slot nuts, 2 x nuts, 2 x Step • A fully hardened and ground base clamps, 2 x Step blocks, 2 x Studs 80mm long which serves as an accurate reference surface SURFACE MARKING OUT GAUGE OFFSET STEEL VICES • 125 max opening (V0914) • 150 max opening (V0915) • Designed for heavy duty work 125 $ (V0914) SIZE 100mm 35 22 $ 22 $ (M805) NEW RELEASE $ (C0954) TM-6 $ (C0948) TM-8 49 NEW RELEASE ORDER NOW! Size CODE PRICE Cyanoacrylate Adhesive - General Purpose 20g T970 Cyanoacrylate Adhesive - Low Viscosity Wicking Grade 20g T971 Cyanoacrylate Adhesive - Toughened Ethyl, High Strength Black 20g T972 Thread Locker - Oil Resistant, Medium Strength, High Viscosity 10ml T973 Thread Locker - High Strength 10ml T974 Thread Sealant - High Temperature with PTFE 50ml T975 Thread Sealant - Ideal for Coarse Threads, Medium Strength 50ml T976 Gasketing Compound - High Temp. Flange Sealant, Chemical Resistant 50ml T977 Gasketing Compound - Flexible Solvent Resistant, High Viscosity 50ml T978 9 $ 9 $ 9 $ 9 $ 9 $ 18 $ 18 $ 18 $ 18 99 $ (T020) RT-3 ROTARY TABLE TRT-4 TILTING ROTARY TABLE • Hand wheel can be set to zero • Hand wheel graduated in 10min divisions • Can be used both horizontally and vertically • 75mm • Tilting range 0-90º horizontal to vertical graduated in 1º • Graduations: 0-360º in 5º increments • Handle graduations: 0-10º in 5’ divisions • 66mm height from flat position • 100mm 95 1. (D065) NEW RELEASE 6. 179 $ $ (R001) (R0014) NEW RELEASE NEW RELEASE MOBILE STORAGE BIN RACKS 4. • Heavy duty plastic bins • Steel frame with silver powder coated finish • 4 or 6 x Ø100mm swivel caster wheels (2 x lockable) • Dimensions: L x W x H 3. 2. 5. GWSC-2 Garage Wall Storage Cabinet $ 675 x 305 x 610mm 175 (T684) $ ONLY 198 $ 1,350 (K034) (S020) 880 x 410 x 950mm 72 BINS 36 BINS 22 BINS 6. GWBP-2 Garage Wall Backing Panel $ 163 x 80 x 1120mm 129 (T685) PACKAGE PRICE • 23 piece universal set • Edges sheet metal • Includes: 2 burr holders, sheet metal burr, 10 pack HSS blades, 20mm countersink blade, 2 scraper blades, “V” & inverted “V” scraper, 4 telescopic extensions & wrenches METRIC / IMPERIAL 2. GTC-5 Garage Tooling Cabinet on Wheels: $ 675 x 450 x 832mm 399 (T681) 4. GWB-40 Garage Work Bench 1625 x 510 x 955mm $320 (T683) DEBURRING TOOL SET • Includes 19 taps & 21 dies • UNC, UNF (1/4”-5/8) fine/coarse • Metric M6-M12 • 2 thread files 82.50 • All steel construction easy to assemble • Aluminium recessed door handles on cabinets • Heavy duty feet levellers on work bench and floor cabinets • Full extension ball bearing slides & grease resistant EVA drawer liners on 5 drawer roller cabinet with 4 x 2" casters • 40mm thick timber top work bench • Steel backing panel accepts optional buckets hooks and holders • Dimensions: L x W x H 3. GSC-1 Garage Storage Cabinet: $ 405 x 415 x 825mm 129 (T682) RE-THREADING TAP & DIE KIT $ GARAGE STORAGE SYSTEM 1. GLC-2 Garage Locker Storage Cabinet: 675 x 405 x 1800mm $349 (T680) VOLTAGE TO RECEIVE THESE SPECIAL PRICES ONLINE OR INSTORE! $ 5. (V0915) SIZE 125mm USE PROMO CODE: INDUSTRIAL ADHESIVES Adhesive Type 150 $ (M053) 363 $ (S021) 880 x 410 x 1705mm 695 $ (S022) 1740 x 410 x 1705mm Specifications & Prices are subject to change without notification. All prices include GST and valid until 24-04-12 98  Silicon Chip QLD QLD 3274 4222 (07)(07) 3274 4222 1/2 Windsor Windsor Rd, Rd, 1/2 Northmead Northmead Boundary 626 626 Boundary Rd, Rd, Coopers Plains Coopers Plains VIC VIC WA WA (03) 4422 9212 4422 (08) 9373(08) 9373 9999 (03) 9212 9999 1 Fowler Rd, 1 Fowler Rd, Dandenong Dandenong 4_SC_280312 NSW NSW (02) 9890 9890 9111 9111 (02) 41-43 Abernethy Rd, 41-43 Abernethy Rd, Belmont Belmont siliconchip.com.au www.machineryhouse.com.au www.machineryhouse.com.au