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P-Q4558Op-Amp - 4558, Dual high-gain, 8-Pin DIP

Dual Operational Amplifier. The 4558 integrated circuit is a dual high-gain operational amplifier internally compensated and constructed on a single silicon chip using an advanced epitaxial process. Combining the features of the NJM741 with the close parameter matching and tracking of a dual device on a monolithic chip results in unique performance characteristics. Excellent channel separation allows the use of the dual device in single NJM741 operational amplifier applications providing density. It is especially well suited for applications in differential-in, differential-out as well as in potentiometric amplifiers and where gain and phase matched channels are mandatory. Features:

  • Operating Voltage (±4V~±18V)
  • High Voltage Gain (100dB typ.)
  • High Input Resistance (5MΩ typ.)
  • Bipolar Technology

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P-Q74LS175Integrated Circuit - SN74LS175, Quadruple D-Type Flip-Flops, 16-pin DIP

This quad flip flop is a part used in our Relay True Bypass Switching Part 2: Momentary and Soft Touch Switches article. To read the full article and learn about a circuit for relay switching in stomp box effects, please see the following link. These monolithic, positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic. All have a direct clear input, and the '175, 'LS175, and 'S175 feature complementary outputs from each flip-flop. Information at the D inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse.

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P-Q971Diode - small signal fast switching, 1N4148A

A semiconductor device which passes current in the forward direction(from anode to cathode), and blocks current in the opposite direction. For extreme fast switches.

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P-Q972Diode - 1N34A Germanium, low leakage

The 1N34A Germanium diode is an old standby in electronics. Widely used for detecting the rectifying efficiency or for switching on a radio, TV or stereo etc.

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P-QA18937Transistor - Fender®, A1837, amplifier application

A1837 Transistor - Fender. Power amplifier applications and Driver Stage Amplifier Applications.

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P-QATTINY45Integrated Circuit - ATtiny45, SN74LS175, 8-bit AVR Microcontroller, 8-pin DIP

This microcontroller is a part used in our Relay True Bypass Switching Part 3: Microcontrollers and Current Savings article. To read the full article and learn about a circuit for relay switching in stomp box effects, please see the following link. The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 4KB ISP flash memory, 256-Byte EEPROM, 256B SRAM, 6 general purpose I/O lines, 32 general purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high speed timer/counter, USI, internal and external Interrupts, 4-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, three software selectable power saving modes, and debugWIRE for on-chip debugging.

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P-QBA4560Op-Amp - BA4560, Dual, General Purpose, 8-Pin DIP

The BA4560, is a dual operational amplifiers which achieves approximately twice the high output current of the BA4558, as well as featuring a higher slew rate of 4V / µs, a gain band width of 10MHz, and an improved frequency characteristic. 8-pin DIP package.

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P-QBC550Transistor - BC550 B, TO-92 case, NPN

Low noise transistor for audio frequency amplifier applications.

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P-QBR-34Bridge Rectifier - Single-phase, 3A 400V

A full wave rectifier with 4 elements in a bridge circuit so that DC voltage is obtained from one pair of junctions when an AC voltage is applied to another pair of junctions.

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P-QBS170Transistor - Mosfet BS170, Small Signal
MOSFET BS170 N-Channel Transistor. Used in MOD® Kits.

Note - this is a fragile component! Use caution not to overheat or break leads.
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