All Sections Texas Instruments

1. Correct voltage drop and phase shift in transmission lines
   Articles Texas Instruments THS4551
   Many precision test-and-measurement and high-speed analog applications require an exact targeted voltage to be delivered to the device under test or intended load to accurately analyze the device. Design and test engineers are well-aware that this ...
   29-04-2024
2. Adaptable pullup
   Circuits Texas Instruments TS5A3159
   It’s common for I 2 C systems to have both standard and fast devices on the same bus. For I 2 C systems, the speed and power consumption both depend on the values of pullup resistors: the values of them should be low enough to secure the fast ...
   24-04-2024

3. A new and improved latching power switch. Part 2
   Circuits Texas Instruments LM393 TLC393
   Although adequate for undemanding applications, the circuit suffers from several drawbacks which may limit its suitability. The Darlington’s current gain (which can vary considerably from device to device and with temperature) plays a ...
   05-04-2024
4. 15-bit voltage-to-time ADC for "Proper Function" anemometer linearization
   Circuits Texas Instruments LMC555
   Awhile back I published a simple design idea for a thermal airspeed sensor based on a self-heated Darlington transistor pair (Ref, 1). The resulting sensor is simple, sensitive, and solid-state, but suffers from a radically nonlinear airspeed ...
   04-04-2024
5. A new and improved latching power switch. Part 1
   Circuits Texas Instruments LM393 TLC393
   A previous Design Idea [ 1 ] outlined a relatively simple circuit in which a momentary pushbutton could be made to function like a latching, mechanical switch. The article generated a good deal of reader feedback. Amongst other comments, readers ...
   28-03-2024
6. Supersized log-scale audio meter
   Circuits Texas Instruments TL084 LM385
   At the end of the DI for a Simple log-scale audio meter (Ref. 1), I promised to show how to upgrade it to work better. With these fixes, it now has near-digital performance, with faster response and smoother operation. Even this supersized version ...
   21-03-2024
7. Efficient voltage doubler is made from generic CMOS inverters
   Circuits Texas Instruments SN74AC14
   When a design needs auxiliary voltage rails and the associated current loads are modest, capacitor pump voltage multipliers are often the simplest, cheapest, and most efficient way to make them. The simplest of these is the diode pump voltage ...
   14-03-2024
8. Voltage inverter uses gate's output pins as inputs and its ground pin as output
   Circuits Texas Instruments SN74AC14 CD40106B
   When analog circuits mix with digital, the former are sometimes dissatisfied with the latter’s usual single supply rail. This creates a need for additional, often negative polarity, voltage sources that are commonly provided by capacitive ...
   13-03-2024
9. Logic Probe has a wide voltage range
   Circuits Texas Instruments SN74HC132 SN74HC14
   The logic probe is powered from the device under test (DUT) it may be any binary logic, which can be powered in the range +2 V to +6 V. This may be a microcontroller or 74/54 series logic chips, including HC/HCT chips. The probe determines 3 ...
   07-03-2024
10. ∆Vbe differential thermometer needs no calibration
    Circuits Texas Instruments CD4053B TLV2374
    Differential temperature measurement is a handy way to quantify the performance of heatsinks, thermoelectric coolers (TECs), and thermal control in electronic assemblies. Figure 1 illustrates an inexpensive design for a high-resolution differential ...
    06-03-2024

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