Circuit Diagram

58_watt_AF_power_amplifier_for_automotive_applications

Published:2009/7/20 5:20:00 Author:Jessie

5.8-watt AF power amplifier for automotive applications. This circuit is ideal for car stereo or car radio outputs. In addition it can be employed for a CB modulator circuit. Recommended supply voltage is 13.2 volts. Input resistance is 40K. Voltage gain ranges between 52 and 58 dB (courtesy GTE Sylvania Incorporated).   (View)

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Serial_gray_to_binary_converter_above

Published:2009/7/20 5:20:00 Author:Jessie

Serial gray-to-binary converter above (courtesy Motorola Semiconductor Products Inc.).   (View)

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500_mW_AF_power_amplifier_for_a_20_ohm_speaker

Published:2009/7/20 5:19:00 Author:Jessie

500 mW AF power amplifier for a 20-ohm speaker. Frequency response is from 70 hertz to 20 kilohertz. The ECG1016 is a thin-film hybrid module. The AF driver transistor is standard and can be purchased en Radio Shack (courtesy GTE Sylvania Incorporated).   (View)

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8_bit_A_D_converter_using_an_ADC_MC8B_16_pin_DIP

Published:2009/7/20 5:18:00 Author:Jessie

8-bit A/D converter using an ADC-MC8B 16-pin DIP. Pin functions of the Datel ADC-MC8B chip are as follows: pin 1, ground; pin 2, logic select; pin 3, reset; pin 4, strobe; pin5, bit8 (LSB); pin6, bit7; pin7, bit6;pin8, +VCC; pin 9, bit 5; pin 10, bit4; pin 11, bit3; pin 12, bit2; pin 13, bit 1(MSB); pin 14, analog out; pin 15,VREF input; pin 16, VREF output. To calibrate, apply continous start commands to the start input. For the zero adjustment ground the analog input and vary the zero adjust pot until the LSB flickers between one and zero with all other inputs at logic zero. For the gain adjustment apply FS-1/2 LSB to the analog input and vary the gain adjust pot until LSB flickers between one and zero with all other bits at logic one (courtesy Datel Systems, Inc.).   (View)

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PULSE_CHAIN_PHASEMETER

Published:2009/7/20 5:18:00 Author:Jessie

Measures phase difference as small as 0.005 deg between pulses of two nearly coincident pulse chains using electronic switch, mvbr phase detector, and diode synchronous detector. Output shows both sign and magnitude of phase angle between two corresponding pulses in pulse chains.-F. Vrataric, Jr., Electronic Switching in Phase Measurement, Electronics, 32:23, p 60-61.   (View)

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8_bit_successive_approximation_A_D_converter

Published:2009/7/20 5:17:00 Author:Jessie

8-bit successive-approximation A/D converter (courtesy Motorola Semiconductor Products Inc.).   (View)

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75_watt_AF_power_amplifier_with_low_transient_intermodulation_distortion

Published:2009/7/20 5:16:00 Author:Jessie

75-watt AF power amplifier with low-transient-intermodulation distortion (courtesy Fairchild Semiconductor).   (View)

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High_speed_8_bit_successive_approximation_A_D_convener

Published:2009/7/20 5:16:00 Author:Jessie

High-speed 8-bit successive-approximation A/D convener (courtesy Motorola Semiconductor Products Inc.).   (View)

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D_A_convener_with_output_buffer

Published:2009/7/20 5:14:00 Author:Jessie

D/A convener with output buffer. VOUT is directly proportional to the digital input.R2 should be less than or equal to 650K to assure good temperature compensation. Metal film 1% resistors and 100 PPM/℃ trimmers are recommended. For fast settling time use a Datel AM-452 buffer. To calibrate apply continuous start commands to the start input (pin 3). Set all bits to logic zero and vary the zero adjust pot until VOUT is zero. Set all bits to logic one and vary the gain adjust pot until VOUT is equal to the nominal FS-1 LSB, where LSB is equal to FSR/256 (courtesy Datel Systems, Inc.).   (View)

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Cyclic_converter

Published:2009/7/20 5:13:00 Author:Jessie

Cyclic converter (courtesy Motorola Semiconductor Products Inc.).   (View)

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4_1_2_digit_2000_volt_A_D_converter_with_LED_readout_using_the_8052A_7103A_digital_pair

Published:2009/7/20 5:12:00 Author:Jessie

4 1/2-digit (2.000-volt) A/D converter with LED readout using the 8052A/7103A digital pair (courtesy Intersil, Inc.).   (View)

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4_watt_audio_power_amplifier_using_an_ECG1102_as_an_AF_driver

Published:2009/7/20 5:11:00 Author:Jessie

4-watt audio power amplifier using an ECG1102 as an AF driver. The ECG1102 is a 5-pin module. The two bias pots in the output stage should be adjusted to provide an idle current of 15 mA. Total current at maximum output is 450 mA. Voltage gain is 28 dB. Bandwidth is from 20 hertz to 30 kilohertz (courtesy GTE Sylvania Incorporated).   (View)

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PREFERRED_01_REGU[ATION_250_V_D_C

Published:2009/7/20 5:11:00 Author:Jessie

Provides either polarity, for applications requiring superior regulation and stability. Minimum input is 290 v d-c, and minimum Esg is 150 v d-c. Maximum output is 100 ma per series lube. C4 is minimum of 4 mfd.-NBS, Handbook Preferred Circuits Navy Aeronautical Electronic Equipment, Vol. 1, Electron Tube Circuits, 1963, PC 8, p 8-2.   (View)

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250_mW_babysitter_intercom_using_an_LM3909_chip

Published:2009/7/20 5:10:00 Author:Jessie

250 mW babysitter intercom using an LM3909 chip. Circuitry inside dashed lines is the LM3909. Operating current is 12to 15mA (courtesy National Semiconductor Corporation).   (View)

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Parallel_gray_to_binary_converter

Published:2009/7/20 5:10:00 Author:Jessie

Parallel gray-to-binary converter(courtesy Motorola Semiconductor Products Inc.).   (View)

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1_KW_A_C_PHASE_CONTROL

Published:2009/7/20 5:09:00 Author:Jessie

Inverse-parallel circuit is economical for manual control of lights, heaters, ovens, or fans.- Silicon Controlled Rectifier Manual, Third Edition, General Electric Co., 1964, p 138.   (View)

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8_bit_multiplying_D_A__converter_In_bipolar_operation

Published:2009/7/20 5:09:00 Author:Jessie

8-bit multiplying D/A converter In bipolar operation(courtesy Analog Devices, Inc.).   (View)

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10_KV_R_F_OSCILLATOR_TYPE_CRT_SUPPLY

Published:2009/7/20 5:09:00 Author:Jessie

Associated regulator controls oscillator output. Considered less desirable than a-f oscillator supplies, which have no r-f radiation problem.-NBS, Handbook Preferred Circuits Navy Aeronautical Electronic Equipment, Vol. 1, Electron Tube Circuits, 1963, p N14-3.   (View)

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Twelve_10_bit_CMOS_A_D_converters_onto_a_data_bus

Published:2009/7/20 5:09:00 Author:Jessie

Twelve 10-bit CMOS A/D converters onto a data bus (courtesy Analog Devices, Inc.).   (View)

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UJT_SCR_REGULATED_A_C_SUPPLY

Published:2009/7/20 5:08:00 Author:Jessie

Component values shown give optimum regulation at 25 v rms output, with less than 0.1 v variation for change in line voltage from 115 v to 100 v. For wider range of output voltage than 10 to 30 v, R1 and R4 can be ganged pot.- Transistor Manual, Seventh Edition, General Electric Co., 1964, p 334.   (View)

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