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Initial Series
Power Amplifiers
Initial series power amplifiers use plug-in driver
and power boards to ease boards swapping for evaluating sonic characteristics of
different output configurations.
Discussion on diyAudio forum |
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LME49810/49830/49811 Driver Board
(New Rev 1.4) |
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Compatible with LME49810, LME49811 and LME49830
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Two-layer, FR-4 with 2 oz copper weight
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Flexible footprints for different caps size/lead
space
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Dimension: 74 x 71 mm
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Assembled Boards and Tested Available
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Dale 1%, 0.5 W low-noise metal-film resistors
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WIMA MKP film caps
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MUSE electrolytic cap
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Silver mica compensation cap
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Precision multi-turn trimmer
Rev1.4 Schematic Now Available
App Note 101 Now Available
Component list for
LME49180
Component list for LME49811
Component list for LME49830
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Universal Power Board for Two-Pair Output Devices |
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Accommodates ThermalTrak, 3-Lead TO-264 and Sanken MT-200
Power Transistors
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Onboard Reservoir Caps
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Output Coil and Zobel Network Added
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Two-layer FR-4 with 2-oz copper, gold plated
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Accommodates separate supply rails for driver board
(LME498xx)
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Dimension: 163 mm x 96 mm
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Assembled and Tested boards Available
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Two-pair matched ON Semi NJL3281/1302 or matched Sanken
2SC3624/A1925 power BJTs
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Dale 1%, 0.5 W low-noise metal-film resistors
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WIMA MKP film caps
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Matched non-inductive emitter resistors (0.22 Ohms, 5 W x 2
per emitter leg)
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Rubycon 10,000 uF, 50 V or ELAN 10,000 uF, 80 V Audio
Grade electrolytic caps
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Rev 2.0 Schematic Available
Component list for ThermalTrak power BJTs
Component list for non-ThermalTrak power BJTs |
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Power
Board for Four-Pair ON Semi ThermalTrak™
Transistors |
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Triple Emitter Follower Output Topology
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Work for LME49810 and LM49811
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Two-layer FR-4 board with 2-oz copper, Gold Plated
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Wide Copper Tracks for High-Current Handling
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Symmetry Layout Eliminating Induction Interference
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Dimension: 160 mm x 77 mm
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Rev 2.0 schematic available
Rev 2.0 component available |
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Power Board for ON Semi ThermalTrak™
Transistors
OUT OF STOCK |
Rev 2.2 schematic now available
Component list for reference
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Emitter-follower output stage with driver
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Two-layer FR-4 board with 2 oz copper weight,
Gold Plated
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Designed for ON Semi ThermalTrak transistors
TO-264, 5-Lead packages such as NJL3281D/1302D and
NJL4281D.4302D
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Onboard electrolytic filtering caps
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WIMA/BC decoupling caps
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Low inductance 0.22 Ω,
5 W resistors
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Power Board for 3-Lead BJT/MOSFET Power
Transistors OUT OF STOCK |
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Rev 3.2 BJT schematic now available
Rev 3.2 MOSFET schematic now available
BJT component list for reference
MOSFET component list for reference
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- Emitter-/Source-follower output stage with driver
- Two-layer FR-4 board with 2 oz copper weight, Gold Plated
- Designed for TO-264, 3-Lead packages such as IRF240/P240 and
MJL21193/4
- Driver stage can be bypassed for using MOSFET transistors
with LME49830 driver board
- Onboard electrolytic filtering caps
- WIMA/BC decoupling caps
- Low inductance 0.22 Ω, 5 W
resistors
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Shopping |
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Universal Power Board for Two-Pair Power Transistors |
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498x0-PCB × 2 + UPB1-PCB
× 2 |
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498x0-PCB × 2 + PB3-PCB
× 2 |
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Please add shipping to your shopping cart |
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International Shipping (Air Mail) for PCBs |
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Assembled kits with test report, please click here.
Our Packaging for boards
We pack the boards carefully in order to have them
in excellent shape on you hands. Each board is covered by protective
foil.
They are further protected by bubble bags.
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Copyright © 2009 Panson Audio
Labs. All rights reserved. |
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