Áåñïëàòíàÿ òåõíè÷åñêàÿ áèáëèîòåêà
ÁÅÑÏËÀÒÍÀß ÒÅÕÍÈ×ÅÑÊÀß ÁÈÁËÈÎÒÅÊÀ
Ñáîðíèê Íîâûé Ðàäèîåæåãîäíèê ¹6

Âû ìîæåòå áåñïëàòíî è áåç ðåãèñòðàöèè ñêà÷àòü Ñáîðíèêè Íîâûé Ðàäèîåæåãîäíèê. Áåñïëàòíûå ñáîðíèêè ñîäåðæàò ïðèíöèïèàëüíûå ýëåêòðè÷åñêèå ñõåìû ñîâðåìåííûõ ðàäèîýëåêòðîííûõ óñòðîéñòâ ñ ïîäðîáíûìè îïèñàíèÿìè íà ñëåäóþùèå òåìû: àâòîìàòèêà, àâòîýëåêòðîíèêà, àóäèîòåõíèêà, áûòîâàÿ ýëåêòðîíèêà, âèäåîòåõíèêà, èçìåðåíèÿ, èñòî÷íèêè ïèòàíèÿ, ìèêðîêîíòðîëëåðû, ðàäèîëþáèòåëüñêèå òåõíîëîãèè, ýëåêòðîííûå êîìïîíåíòû.
Äðóãèå êíèãè, æóðíàëû, ñïðàâî÷íèêè, à òàêæå ñõåìû è ñåðâèñ-ìàíóàëû âû ìîæåòå ñêà÷àòü â íàøåé Áåñïëàòíîé îíëàéí òåõíè÷åñêîé áèáëèîòåêå.
Ñáîðíèêè Íîâûé Ðàäèîåæåãîäíèê ñ ñîäåðæàíèåì íîìåðîâ:
Ñîäåðæàíèå ñáîðíèêà Íîâûé Ðàäèîåæåãîäíèê ¹6:
EDN Design Ideas
- A diode ladder multiplies voltage under software control
- A few added components make a self-contained controller for 100A load
- Active multiplexing saves inputs
- Add extra output to a boost converter
- AGC circuit uses an analog multiplier
- An LED's intrinsic capacitance works in a 650-mV LRC circuit
- Anticipator circuit speeds signal settling to a final value
- Arrange LEDs as seven-segment displays
- Bicolor LED indicates 10 states
- Build a UWB pulse generator on an FPGA
- Build an accurate bipolar voltage reference
- Build an op amp with three discrete transistors
- Charger extends lead-acid-battery life
- Charging time indicates capacitor value
- Circuit boosts voltage to piezoelectric transducers
- Circuit controls inrush current in ac-operated power supplies
- Circuit detects rapidly falling signals and rejects noise
- Circuit implements photovoltaic-module simulator
- Circuit lets you test capacitors
- Circuit measures battery capacity
- Circuit provides more accurate multiplication
- Circuit provides universal ac-input-voltage adapter
- Circuit provides visual verification of IR pulses
- Circuit secures bootstrap operation under light load
- Comparator directly controls power-MOSFET gate
- Compensate for four-wire sensor errors
- Compute a histogram in an FPGA with one clock
- Control an LM317T with a PWM signal
- Converters yield droop-free S/H circuit
- DAC fine-tunes reference output
- Decode a quadrature encoder in software
- Design provides single-port-to-dual-port SDRAM converter
- Drive 16 LEDs with one I/O line
- Driver circuit lights architectural and interior LEDs
- Eight LEDs make a 100-division voltmeter
- Fabricate a high-resolution sensor-to-USB interface
- Finely tune the hue of blue-light sources
- Flash an LED from ac-mains power
- Form positive pulses from negative pulses
- Function generator has varibale frequency
- Generate noisy sine waves with a sound card
- Generate swept sine/cosine waveforms with two filters
- Hack into a stopwatch to make a phototimer
- High-speed buffer comprises discrete transistors
- Increase efficiency in embedded digital-I/O lines
- Inexpensive VFC features good linearity and dynamic range
- Isolated PWM suits low frequencies
- LED bar-graph display represents two digits
- LED-current limiter accepts ac or dc
- LEDs indicate sound level
- Light an LED without wasting energy
- Limit inrush current in high-power applications
- Logic gates form high-impedance voltmeter
- Logic probe uses two comparators
- Low-component-count logic probe works with TTL and CMOS logic
- Mains-driven zero-crossing detector uses only a few high-voltage parts
- Measure resistance and temperature with a sound card
- Measure small currents without adding resistive insertion loss
- Minimize noise in power-supply measurements
- Modulating a reference allows maximum-value search for phase detection
- MOSFET provides high power at low loss
- Offline supply drives LEDs
- Optically isolated overcurrent detector works from ac mains
- Oscillator has voltage-controlled duty cycle
- Polynomial rotation accelerates CRC calculations
- Positive edges trigger parabolic timebase generator 07/28/2011
- Potentiometer calibrates photodiode amplifier
- Power an LED driver using off-the-shelf components
- Power resistor varies in value
- Power supply accepts wide input-voltage range
- Produce current from positive or negative high-voltage supplies
- Programmable driver targets piezoelectric actuators
- Protect MOSFETs in heavy-duty inductive switched-mode circuits
- Protect power-LED strings from overcurrent
- Reduce acoustic noise from capacitors
- Relay driver switches two relays with one pin
- Reliable 555 timer doesn’t falsely trigger
- Save 3 dB of output power using feedback to set the output impedance
- Schmitt trigger provides toggle function
- Send MIDI signals over long distances
- Series-LC-tank VCO breaks tuning-range records
- Simple circuit controls the rate of voltage change across a capacitor or another load
- Simple circuit helps to protect a vehicle-reverse camera
- Simple circuit measures optocoupler's response time
- Simple flasher operates off ac mains
- Simple night-light uses a photoresistor to detect dusk
- Simple reverse-polarity-protection circuit has no voltage drop
- Simple tester checks Christmas-tree lights
- Switch circuit controls lights
- Test continuity with an LED
- Transistors drive LEDs to light the path
- Use a self-powered op amp to create a low-leakage rectifier
- Use an optocoupler to make a simple low-dropout regulator
- Use op amps to make automatic-ORing power selector
- Use resistor noise to characterize a low-noise amplifier
- Voltage inverter employs PWM
- Waveform generator minimizes amplitude dependency
- Zener diode protects FPGA inputs
Âñå ýëåêòðîííûå
îòå÷åñòâåííûå æóðíàëû ïî ðàäèîýëåêòðîíèêå è ñáîðíèêè îíëàéí, êîòîðûå ìîæíî ñêà÷àòü áåñïëàòíî è áåç ðåãèñòðàöèè:
Áëîêíîò Ðàäèîàìàòîðà,
ÊÂ æóðíàë,
 ïîìîùü ðàäèîëþáèòåëþ,
ÊÂ è ÓÊÂ,
Íîâîñòè ýëåêòðîíèêè,
Íîâûé Ðàäèîåæåãîäíèê,
Ðàäèî,
Ðàäèîàìàòîð,
Ðàäèîàìàòîð-ëó÷øåå,
Ðàäèîäåëî,
Ðàäèîäèçàéí,
Ðàäèîåæåãîäíèê,
Ðàäèîêîìïîíåíòû,
Ðàäèîêîíñòðóêòîð,
Ðàäèîëþáèòåëü,
Ðàäèîìèð,
Ðàäèîñõåìà,
Ðàäèîõîááè,
Ðåìîíò è ñåðâèñ,
Ðåìîíò ýëåêòðîííîé òåõíèêè,
Ñåðâèñíûé öåíòð,
Ñõåìîòåõíèêà,
ÝÊèÑ (Ýëåêòðîííûå êîìïîíåíòû è ñèñòåìû),
Ýëåêòðîíèêà
Ññûëêà äëÿ ñêà÷èâàíèÿ ñáîðíèêà
Íîâûé Ðàäèîåæåãîäíèê ¹6:
Ïîèñê ïî êíèãàì, æóðíàëàì è ñáîðíèêàì
Ïîñëåäíèå íîâîñòè íàóêè è òåõíèêè, íîâèíêè ýëåêòðîíèêè:
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Îñîáåííî çàìåòíûì îêàçàëîñü âëèÿíèå ïÿòåí íà âûæèâàåìîñòü äåòåíûøåé è âçðîñëûõ ñàìöîâ. Æèðàôÿòà, èìåþùèå êðóïíûå ïÿòíà, ÷àùå âûæèâàëè, ïîñêîëüêó ìîãëè ëó÷øå ñêðûâàòüñÿ â òåíè êóñòàðíèêîâ îò õèùíèêîâ. Îäíàêî òàêàÿ îñîáåííîñòü èìåëà è îáðàòíóþ ñòîðîíó: òåìíûå ïÿòíà ïîãëîùàþò áîëüøå ñîëíå÷íîãî ñâåòà, ÷òî óâåëè÷èâàåò ðèñê ïåðåãðåâà.  òî æå âðåìÿ, ïîä ïÿòíèñòûì óçîðîì íàõîäèòñÿ ðàçâåòâëåííàÿ ñåòü êðîâåíîñíûõ ñîñóäîâ, èãðàþùàÿ âàæíóþ ðîëü â òåðìîðåãóëÿöèè, ïîìîãàÿ æèâîòíûì îòäàâàòü ëèøíåå òåïëî â îêðóæàþùóþ ñðåäó.
Ó÷åíûå òàêæå âûÿñíèëè, ÷òî ïðè ðåçêèõ èçìåíåíèÿõ òåìïåðàòóðû ðàçìåð ïÿòåí îêàçûâàëñÿ êðèòè÷åñêè âàæíûì.  ïåðèîäû ïîõîëîäàíèÿ ïðåèìóùåñòâî ïîëó÷àëè îñîáè ñ áîëåå êðóïíûìè ïÿòíàìè, òîãäà êàê ïðè ïîòåïëåíèè ëó÷øå âûæèâàëè æèðàôû ñ ìåëêèìè îòìåòèíàìè. Ýòîò ýôôåêò ïðîÿâëÿëñÿ ãëàâíûì îáðàçîì ó ñàìöîâ è äåòåíûøåé, â òî âðåìÿ êàê âçðîñëûå ñàìêè îêàçûâàëèñü ìåíåå çàâèñèìûìè îò ïîäîáíûõ êëèìàòè÷åñêèõ ôàêòîðîâ.
Èññëåäîâàòåëè ïðåäïîëàãàþò, ÷òî òàêàÿ ðàçíèöà â àäàïòàöèè ìîæåò áûòü ñâÿçàíà ñ îáðàçîì æèçíè æèðàôîâ. Ñàìêè ÷àùå äåðæàòñÿ â êðóïíûõ ãðóïïàõ è âåäóò ìåíåå ïîäâèæíûé îáðàç æèçíè, ÷òî ñíèæàåò âîçäåéñòâèå ýêñòðåìàëüíûõ òåìïåðàòóð.  îòëè÷èå îò íèõ, ñàìöû è ìîëîäûå îñîáè áîëüøå ïåðåìåùàþòñÿ, âûíóæäåíû èñêàòü óêðûòèÿ è ìîãóò îêàçûâàòüñÿ â óñëîâèÿõ, òðåáóþùèõ áîëüøåé óñòîé÷èâîñòè ê òåìïåðàòóðíûì ïåðåïàäàì.
Ýòè ðåçóëüòàòû ïîä÷åðêèâàþò, íàñêîëüêî ìíîãîãðàííû ìåõàíèçìû âûæèâàíèÿ ó äèêèõ æèâîòíûõ è êàê âíåøíèé âèä ìîæåò îêàçûâàòü íåîæèäàííîå âëèÿíèå íà ïðèñïîñîáëåííîñòü ê îêðóæàþùåé ñðåäå. Äàëüíåéøèå èññëåäîâàíèÿ ïîìîãóò ðàçîáðàòüñÿ â äåòàëÿõ ýòîé çàâèñèìîñòè è, âîçìîæíî, ïðîëüþò ñâåò íà åùå íå èçâåñòíûå ñïîñîáû àäàïòàöèè æèðàôîâ ê èçìåíÿþùèìñÿ êëèìàòè÷åñêèì óñëîâèÿì.
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▪ Àäàïòåð öèôðîâîãî òàõîãðàôà
Ëåíòà íîâîñòåé íàóêè è òåõíèêè, íîâèíîê ýëåêòðîíèêè
Èíòåðåñíûå ìàòåðèàëû Áåñïëàòíîé òåõíè÷åñêîé áèáëèîòåêè:
▪ ðàçäåë ñàéòà Ñòóäåíòó íà çàìåòêó. Ïîäáîðêà ñòàòåé
▪ ñòàòüÿ Ïðåä÷óâñòâèå ãðàæäàíñêîé âîéíû. Êðûëàòîå âûðàæåíèå
▪ ñòàòüÿ Êàê ëþäè íàó÷èëèñü ïîëüçîâàòüñÿ âåñàìè? Ïîäðîáíûé îòâåò
▪ ñòàòüÿ Ñòîëáû Ðåíîíà. ×óäî ïðèðîäû
▪ ñòàòüÿ Ñîãëàñîâàíèå àíòåííû ñ ôèäåðîì. Ýíöèêëîïåäèÿ ðàäèîýëåêòðîíèêè è ýëåêòðîòåõíèêè
▪ ñòàòüÿ Ñòðóÿ-ñâåòîâîä. Ôèçè÷åñêèé ýêñïåðèìåíò
Ãëàâíàÿ ñòðàíèöà | Áèáëèîòåêà | Ñòàòüè | Êàðòà ñàéòà | Îòçûâû î ñàéòå

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