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The Jaygee Racing Linear 200 PWM LP is a low cost, 24-band linear response
electronic controller, capable of handling motor types ranging from Falcons and
16Ds through C-Can motors such as Contenders and Super Wasps. Designed
for entry level, retro and flexi style 1/24th scale racing, it's value priced...yet
packed with high end features such as linear response, zero dead-band throttle
control, powerful Extended Range PWM MOSFET brakes and an ultra-light
weight, USB cable connected modular design.
Linear Throttle Response
Throttle response is linear as shown in the figure below, regardless of the
throttle sensitivity pot setting. There’s no compromising between the car’s
minimum starting speed and the controller’s trigger response, and no need to
tweak individual pots to adjust the voltage steps between wiper bands. You’ll
feel the power come on smoothly as the trigger is pulled back, without the
controller feeling mushy and unresponsive in the lower and midrange bands
and twitchy in the upper bands.
Figure 1. Linear 200 PWM LP Linear Trigger Response
electronic controller, capable of handling motor types ranging from Falcons and
16Ds through C-Can motors such as Contenders and Super Wasps. Designed
for entry level, retro and flexi style 1/24th scale racing, it's value priced...yet
packed with high end features such as linear response, zero dead-band throttle
control, powerful Extended Range PWM MOSFET brakes and an ultra-light
weight, USB cable connected modular design.
Linear Throttle Response
Throttle response is linear as shown in the figure below, regardless of the
throttle sensitivity pot setting. There’s no compromising between the car’s
minimum starting speed and the controller’s trigger response, and no need to
tweak individual pots to adjust the voltage steps between wiper bands. You’ll
feel the power come on smoothly as the trigger is pulled back, without the
controller feeling mushy and unresponsive in the lower and midrange bands
and twitchy in the upper bands.
Figure 1. Linear 200 PWM LP Linear Trigger Response
Linear 200 PWM LP Linear Response Controller with
Extended Range PWM MOSFET Brakes
Extended Range PWM MOSFET Brakes
Modular, Programmable, Upgradeable Design
The Linear 200 PWM LP controller is completely modular, programmable and
upgradeable. By swapping out control chips or transistor modules (your
choice), you can change throttle and brake profiles, transforming the controller
into a fully functional HO and 1/32nd scale controller...even one that provides
powered coast for unlimited HO cars. Or, upgrade your transistor module to a
Pro 40 or Pro 40E to race GP12, GP7 wings or Eurosports.
24-Band Wiper Board - An Industry First
JayGee Racing pioneered high band-count wiper boards. Our 24-band wiper
boards provide unprecedented granularity in speed control, allowing you to
make small changes to the car's speed with almost imperceptible finger
movements. Trigger position is monitored by the PWM MOSFET transistor
module's microcontroller and mapped to the linear response curve that the
Linear 200 1/24th scale controllers are known for.
But there's more to circuit boards than band count and response curves.
The Linear 200's circuit board sits low in the handle for strength and durability. It
features gold-plated wiper pads for long life, 24 bands on 50 mil centers. Wiper
current is virtually independent of motor draw and is typically no more that 30
milliamps (that’s right, over 1000 times less than the peak motor current),
virtually eliminating wiper arcing and circuit board burn. Accessory mounting
holes are provided for choke controls. The Linear 200 includes ultra-light
throttle sensitivity and brake pots mounted directly to the PCB with printed
indicator marks for rapid, repeatable setup.
Simple, Maintainable, Reliable
Special attention was paid to simplicity of design, maintainability and reliability.
All circuit boards are built with surface mount components wherever possible...
all soldered in place by the PCB factory. There's only one soldered wire
connection in the entire handle...a 441-strand 18-gauge lead wire connecting
the wiper button to the PCB, virtually eliminating thin broken wiper wires as a
source of trouble. The MOSFET brake eliminates dirty brake contacts and brake
pots as a source of concern and an innovative current sensing circuit
eliminates deterioration prone PTC fuses, shutting off the brake and throttle
MOSFETs in case of a short circuit.
Zero Dead Bands for Improved Responsiveness
Zero dead-band controllers eliminate the wasted trigger travel across a dead
band, improving brake and throttle response. When braking, the throttle
MOSFET is shut off and the brakes engaged the moment the brake contact
closes, even though the wiper button is still riding on a powered wiper band.
Conversely, the throttle MOSFET turns on faster under acceleration because the
wiper is always in contact with a power band...power is applied the instant the
brake contact opens.
PWM MOSFET Transistor Modules Deliver Full Power to Motor
The PWM MOSFET transistor module uses power MOSFETs to conduct motor
current instead of the bipolar transistors used in conventional electronic
controllers. Since power MOSFETs have an on-resistance as low or lower than
a blast relay's contacts and are much more energy efficient than bipolar power
transistors, relays and heat sinks aren't needed. Get the technical details by
downloading MOSFET Slot Car Controller Mysteries Revealed, written by Jeff
Goldberg.
Power is delivered through 10-gauge, fine stranded flexible cables for minimal
power drop. The socketed control chip is programmed for linear throttle
response and Extended Range PWM MOSFET brakes. Additional control chips
are available should the user want SOFTouch™ throttle control or the Brake N’
Release™ brake profile.
The Linear 200 PWM MOSFET transistor module is designed for use with any
motor from Falcons and 16Ds through C-Can Contenders and Super Wasps.
Avoid Trouble with Triple Protection
Mistakes happen! In the heat of the action you hook up your controller wrong.
The Linear 200 PWM MOSFET transistor module is protected in multiple ways,
using techniques found in hi-rel military electronics. Custom designed current
sensing circuits monitor current flow through the throttle and brake MOSFETs,
shutting off the MOSFET drivers within microseconds of detecting a short, even
protecting the crowbar protection fuse ...and restoring power automatically
when the short is removed. A reverse polarity protection circuit in the brake line
is implemented with a "perfect diode", blocking power applied to the brake line
while not impacting brake performance. Lastly, a readily available 10 amp
automotive blade fuse is coupled with 300-amp surge rated diodes to
implement a crowbar protection circuit, protecting the controller from damage if
the current sensing circuits are disabled.
The controller won't even be damaged by accidentally connecting it to a negative
polarity track
Extremely Wide Operating Voltage Range
The controller's operating voltage extends from 10V to 25V to handle all of your
racing needs.
Do you Race on a Negative Polarity Track?
Plug in a negative gate control chip and your positive polarity Linear 200 PWM
LP controller is now ready to run on those rare tracks that still haven't "seen the
light". O'k, you also need to connect the controller's brake line to track WHITE
and white line to track RED...but you can handle that, can't you?
Maintain Control After Power Off
Trigger position is monitored for a few moments after the track power shuts off.
If the trigger is held in the throttle position, the car is allowed to coast to a stop.
However, if the brake contact closes during that time, the brakes are engaged.
This allows you to gain precious distance on your competitor during track calls
or at race end while still allowing you to safely brake for a corner after the power
shuts off.
Smooth and Comfortable Trigger Action
The trigger assembly rides on close tolerance bushings with an adjustable
nylon insert pivot retaining nut, virtually eliminating side play. The trigger is also
contoured for comfort.
User Friendly Design
Small but important touches enhance the usability of the Linear 200 controller.
A green LED is provided on the power board as a power and status indicator, a
throttle LED for diagnostics and a brake LED for dialing in the MOSFET brake.
The USB cable may be used as a quick-disconnect to facilitate storage or
secured with a strain relief tie strap. The control pots are labeled and dial
positions are printed on the circuit board - Min, Max and 9 intermediate
positions to facilitate repeatable, rapid set up. Even the trigger is contoured for
user comfort
Designed, Built and Serviced in the United States
The Linear 200 uses a robust, race proven design that will deliver years of
reliable service. It comes with a 90 day warranty and is backed by a highly
skilled, technical support team.
Jeff Goldberg, the designer of the Linear 200 controller and owner of JayGee
Racing is available to answer any technical questions. He can be emailed at:
jeff@jaygeeracing.com
Complete User Documentation
The Linear 200 is accompanied by a user manual that shows first time
electronic controller users how to rapidly dial in the controller's sensitivity
settings to suit their car's handling characteristics and track conditions.
We know that many slot car enthusiasts like to service and maintain their own
equipment. That's why the Linear 200 User Manual also describes how to
maintain the controller and even perform field repairs. Part numbers for field
serviceable parts are included so you can order replacement parts directly from
electronics distributors.
The Linear 200 PWM LP controller is completely modular, programmable and
upgradeable. By swapping out control chips or transistor modules (your
choice), you can change throttle and brake profiles, transforming the controller
into a fully functional HO and 1/32nd scale controller...even one that provides
powered coast for unlimited HO cars. Or, upgrade your transistor module to a
Pro 40 or Pro 40E to race GP12, GP7 wings or Eurosports.
24-Band Wiper Board - An Industry First
JayGee Racing pioneered high band-count wiper boards. Our 24-band wiper
boards provide unprecedented granularity in speed control, allowing you to
make small changes to the car's speed with almost imperceptible finger
movements. Trigger position is monitored by the PWM MOSFET transistor
module's microcontroller and mapped to the linear response curve that the
Linear 200 1/24th scale controllers are known for.
But there's more to circuit boards than band count and response curves.
The Linear 200's circuit board sits low in the handle for strength and durability. It
features gold-plated wiper pads for long life, 24 bands on 50 mil centers. Wiper
current is virtually independent of motor draw and is typically no more that 30
milliamps (that’s right, over 1000 times less than the peak motor current),
virtually eliminating wiper arcing and circuit board burn. Accessory mounting
holes are provided for choke controls. The Linear 200 includes ultra-light
throttle sensitivity and brake pots mounted directly to the PCB with printed
indicator marks for rapid, repeatable setup.
Simple, Maintainable, Reliable
Special attention was paid to simplicity of design, maintainability and reliability.
All circuit boards are built with surface mount components wherever possible...
all soldered in place by the PCB factory. There's only one soldered wire
connection in the entire handle...a 441-strand 18-gauge lead wire connecting
the wiper button to the PCB, virtually eliminating thin broken wiper wires as a
source of trouble. The MOSFET brake eliminates dirty brake contacts and brake
pots as a source of concern and an innovative current sensing circuit
eliminates deterioration prone PTC fuses, shutting off the brake and throttle
MOSFETs in case of a short circuit.
Zero Dead Bands for Improved Responsiveness
Zero dead-band controllers eliminate the wasted trigger travel across a dead
band, improving brake and throttle response. When braking, the throttle
MOSFET is shut off and the brakes engaged the moment the brake contact
closes, even though the wiper button is still riding on a powered wiper band.
Conversely, the throttle MOSFET turns on faster under acceleration because the
wiper is always in contact with a power band...power is applied the instant the
brake contact opens.
PWM MOSFET Transistor Modules Deliver Full Power to Motor
The PWM MOSFET transistor module uses power MOSFETs to conduct motor
current instead of the bipolar transistors used in conventional electronic
controllers. Since power MOSFETs have an on-resistance as low or lower than
a blast relay's contacts and are much more energy efficient than bipolar power
transistors, relays and heat sinks aren't needed. Get the technical details by
downloading MOSFET Slot Car Controller Mysteries Revealed, written by Jeff
Goldberg.
Power is delivered through 10-gauge, fine stranded flexible cables for minimal
power drop. The socketed control chip is programmed for linear throttle
response and Extended Range PWM MOSFET brakes. Additional control chips
are available should the user want SOFTouch™ throttle control or the Brake N’
Release™ brake profile.
The Linear 200 PWM MOSFET transistor module is designed for use with any
motor from Falcons and 16Ds through C-Can Contenders and Super Wasps.
Avoid Trouble with Triple Protection
Mistakes happen! In the heat of the action you hook up your controller wrong.
The Linear 200 PWM MOSFET transistor module is protected in multiple ways,
using techniques found in hi-rel military electronics. Custom designed current
sensing circuits monitor current flow through the throttle and brake MOSFETs,
shutting off the MOSFET drivers within microseconds of detecting a short, even
protecting the crowbar protection fuse ...and restoring power automatically
when the short is removed. A reverse polarity protection circuit in the brake line
is implemented with a "perfect diode", blocking power applied to the brake line
while not impacting brake performance. Lastly, a readily available 10 amp
automotive blade fuse is coupled with 300-amp surge rated diodes to
implement a crowbar protection circuit, protecting the controller from damage if
the current sensing circuits are disabled.
The controller won't even be damaged by accidentally connecting it to a negative
polarity track
Extremely Wide Operating Voltage Range
The controller's operating voltage extends from 10V to 25V to handle all of your
racing needs.
Do you Race on a Negative Polarity Track?
Plug in a negative gate control chip and your positive polarity Linear 200 PWM
LP controller is now ready to run on those rare tracks that still haven't "seen the
light". O'k, you also need to connect the controller's brake line to track WHITE
and white line to track RED...but you can handle that, can't you?
Maintain Control After Power Off
Trigger position is monitored for a few moments after the track power shuts off.
If the trigger is held in the throttle position, the car is allowed to coast to a stop.
However, if the brake contact closes during that time, the brakes are engaged.
This allows you to gain precious distance on your competitor during track calls
or at race end while still allowing you to safely brake for a corner after the power
shuts off.
Smooth and Comfortable Trigger Action
The trigger assembly rides on close tolerance bushings with an adjustable
nylon insert pivot retaining nut, virtually eliminating side play. The trigger is also
contoured for comfort.
User Friendly Design
Small but important touches enhance the usability of the Linear 200 controller.
A green LED is provided on the power board as a power and status indicator, a
throttle LED for diagnostics and a brake LED for dialing in the MOSFET brake.
The USB cable may be used as a quick-disconnect to facilitate storage or
secured with a strain relief tie strap. The control pots are labeled and dial
positions are printed on the circuit board - Min, Max and 9 intermediate
positions to facilitate repeatable, rapid set up. Even the trigger is contoured for
user comfort
Designed, Built and Serviced in the United States
The Linear 200 uses a robust, race proven design that will deliver years of
reliable service. It comes with a 90 day warranty and is backed by a highly
skilled, technical support team.
Jeff Goldberg, the designer of the Linear 200 controller and owner of JayGee
Racing is available to answer any technical questions. He can be emailed at:
jeff@jaygeeracing.com
Complete User Documentation
The Linear 200 is accompanied by a user manual that shows first time
electronic controller users how to rapidly dial in the controller's sensitivity
settings to suit their car's handling characteristics and track conditions.
We know that many slot car enthusiasts like to service and maintain their own
equipment. That's why the Linear 200 User Manual also describes how to
maintain the controller and even perform field repairs. Part numbers for field
serviceable parts are included so you can order replacement parts directly from
electronics distributors.
Fully Adjustable Sensitivity Controls
24-band wiper board with heavy gauge wiper wire
and USB mini-B connector
and USB mini-B connector
Linear 200 PWM MOSFET transistor module with
high power throttle MOSFETs, Extended Range
PWM MOSFET braking and quick disconnect USB
cable
high power throttle MOSFETs, Extended Range
PWM MOSFET braking and quick disconnect USB
cable
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