Tag Archives: Converter

9-16GHz Low Noise I/Q Converters

Schematic Diagrams      Comments Off on 9-16GHz Low Noise I/Q Converters

9-16GHz Low Noise I/Q Converters Four new MMIC Upconverter and Downconverter devices from RFMD offer high performance and low cost for high frequency applications. The RFUV1002 and RFUV1003 Upconverters incorporate an image rejection mixer, LO buffer amplifier, variable gain amplifier, and DC-decoupling capacitor. The RFRX1001 and RFRX1002 Downconverters incorporate an… Read more »

ADP1821 Step Down DC-to-DC Converter

Schematic Diagrams      Comments Off on ADP1821 Step Down DC-to-DC Converter

This is a ADP1821 Step Down DC-to-DC Converter circuit. This circuit uses ADP1821 that is synchronous pulse-width-modulated (PWM), step-down controller, inexpensive and versatile. It can drive all N-channel power stage to regulate an output voltage as low as 0.6 V. The output voltages that can be provided by this circuit… Read more »

Logarithmic Amplifier Using MC1556 Op-Amp

Schematic Diagrams      Comments Off on Logarithmic Amplifier Using MC1556 Op-Amp

The circuit below is a logarithmic amplifier using an MC1556 op amp. The 10K pot is an offset adjustment.  Here is  a schematic diagram of one classic example of  general purpose  logarithmic converter circuit employing LM1556 op-amp: The popularity of logarithmic amplifier is decreasing as the microprocessor and microcontroller chips… Read more »

LF356 Wide Range Current-To-Voltage Converter

Schematic Diagrams      Comments Off on LF356 Wide Range Current-To-Voltage Converter

Current to voltage converter circuit can be made using a single resistor, it is very simple since any current will naturally develop a voltage when flow through a resistor. Using an active component,  a small developed voltage on a resistor can be accurately measured since we can amplify it to… Read more »

Three Wire RS232 To RS485 Converter

Schematic Diagrams      Comments Off on Three Wire RS232 To RS485 Converter

The schematic diagram below show the circuit diagram of an RS232 to RS485 converter circuit. The  EIA-485 standard, a.k.a TIA/EIA-485 or RS-485, is a physical layer standard defining the electrical properties of electronic drivers and receivers using balanced digital signal which is capable of handling multipoint systems. The ANSI Telecommunications… Read more »

Transformer-Coupled SSR Circuit Diagram

Schematic Diagrams      Comments Off on Transformer-Coupled SSR Circuit Diagram

The following schematic shows the Transformer-Coupled Solid State Relay (SSR) Circuit Diagram in which the control signal is applied (through a DC-AC converter, if it is DC, or directly, if It is AC) to the primary of a small, low-power transformer, and the secondary voltage that results from the primary… Read more »

2-Channel RS485 Converter w/SD Control and The Interconnection Drawing Schematic

Schematic Diagrams      Comments Off on 2-Channel RS485 Converter w/SD Control and The Interconnection Drawing Schematic

This 2-Channel RS485 Converter device converts unbalanced, full duplex RS232 signals to balanced full /half duplex RS485  signals. Below we provide you with RS232 to RS485 Converter Informations and the interconnection circuit schematic of two RS485 using two signal wires. It is based on their each port that RS232 port… Read more »