Best Low Power Frequency Counter

Galaxy DX-939 Backlit 40ch Mobile CB Radio with TalkBack & Roger Beep

  • Star Lite faceplate makes all lettering glow in the dark.
  • Large, easy-to-read meter with scales for power output, modulation, SWR and incoming signal.
  • Five-digit frequency counter and two-digit channel display using large blue LEDs , variable power output control, variable talkback circuit with on/off switch.
  • Automatic SWR circuit with an SWR alert LED, Roger Beep circuit with on/off switch.
  • Variable dimmer control, frequency display on/off switch, 3-position tone switch for receive.
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MC14046BCP Phase Lock Loop (PLL) IC 1.9MHz 1 16-DIP (0.300\

  • ...gnal-input amplifier and a common comparator input..
  • Very low power consumption: 70 µW (typ.) at VCO, VCO inhibit control for ON-OFF keying and ultra-low standby power consumption fo = 10 kHz, VDD = 5 V, Source-follower output of VCO control input (Demod. output), 100% tested for quiescent current at 20 V.
  • Operating frequency range up to 1.4 MHz (typ.) at VDD = 10 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
  • Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
  • A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
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1pcs/lot Brand CD4HC7046AE 74HC7046 DIP-16 Phase-Locked Loop

  • ...gnal-input amplifier and a common comparator input..
  • Very low power consumption: 70 µW (typ.) at VCO, VCO inhibit control for ON-OFF keying and ultra-low standby power consumption fo = 10 kHz, VDD = 5 V, Source-follower output of VCO control input (Demod. output), 100% tested for quiescent current at 20 V.
  • Operating frequency range up to 1.4 MHz (typ.) at VDD = 10 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
  • Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
  • A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
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YoBuyBuy 5800W DC12V Electric Fish Shocker Stunner Inverter Electro High Power Fisher Tilapia Fishing Machine

  • 1. Protection: it has short-circuit protection. reverse polarity protection and waterproof protection..
  • 2. High power and low energy consumption: with high power and low energy consumption and excellent results. the use of frequency conversation electronic technology..
  • 3. Full current limiting protection: intelligent pulse. high frequency or low frequency regulation. can be adjusted according to the need to adjust the frequency of electric field size..
  • 4. Easy to carry: with suitable size and suitable weight. this inverter is easy and convenient to use..
  • 5. Material: this inverter is made of good material. which is durable and useful..
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(2) JBL Pro JRX212 12\ 2000w Professional Passive PA/DJ Speakers 8 Ohm JRX 212

  • Features: JBI Pro JRX212 12" 1000 Watt 8 Ohm Passive PA/DJ Speaker. JBI 12 in low frequency driver with a 64 mm (2.5 in) diameter edge wound ribbon voice coil. JBI 2414H-C 25 mm (1 in) polymer diaphragm compression driver. Advanced network topology crossover design.
  • High-voltage capacitors and inductors with massive cores and heavy gauge wire. Progressive Transition high frequency waveguide. 19 mm (.75 in) MDF (Medium Density Fiberboard) enclosure. SonicGuard protects the high frequency driver from excess power without interrupting the performance..
  • Non-resonant, all-steel handles. 18-gauge hexagon perforated, steel grille Dual-angle pole-mount socket allows the speaker to tilt 10. Specifications: Power Rating : 250 W / 1000 W. Frequency Range (-10 dB) : 60 Hz - 20 kHz. Frequency Response (3 dB) : 80 Hz - 18 kHz.
  • Sensitivity (@1m) : 98 dB SPL (1w/1m). Nominal Impedance : 8 ohms. Recommended Amplifier Power : 250 W to 500 W into 8 ohms. Maximum SPL : 128 dB. Nominal Dispersion : 90 x 50. Crossover Frequency : 2.1 kHz. Dimensions (H x W x D) : 584 mm x 399 mm x 325 mm (23 in x 15.7 in x 12.8 in).
  • Weight : 19.5 kg (43 lb). High Frequency Driver : JBI 2414H-C 1" exit compression driver mounted on Progressive Transition Waveguide. Low Frequency Driver : JBI M....
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UNI-T UTD2102CEX+ High-Precision 100MHz Desktop Digital Storage Oscilloscope for Laboratory and Electronic Repair Waveform Tester

  • ...ary Waveform Generator UTG962. Dual channels. Ch1 - Ch2 combining. Output waveform: Sine, square, pulse, ramp, noise, DC, arbitrary. Modulation types: AM, FM, PM, FSK, Line, Log. 24 groups non-volatile arbitrary waveform storage..
  • Sampling rate of 200MSa/S. TTL level signal compatible 6 digits high accuracy built-in frequency counter. Frequency counter with output range: 1μHz-60MHz. Full-band resolution of 1μHz. DDS (direct digital synthesis) method applied. 14 bits vertical resolution. Support frequency scanning and output..
  • One of the best ready-to-use function generators. Value pack includes: UTG962 function generator, power adapter (USA standard), USB cable power cord, BNC cable, BNC cable with alligator clips, paper manual, eManual, and 24/7 free support by UNI-T Direct..
  • Budget friendly and intuitive generator for hobbyists, novices, students, small labs, basic projects, ham radio alignment, pro audio measurements. Learn and update skills, work with audio gear, DC offsets, wow & flutter test, amplitudes, receiver test, circuit test, filter troubleshooting, refurbish turntable..
  • As a global brand, UNI-T supply all kinds of testing meters and instruments i.e. oscilloscope, electromagnetic pulse generator, rife machine, tone generator, thermal camer....
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Rigol DM3058E Benchtop Multimeters - Type: Digital, Style: Bench

  • Unique SiFi II (Signal Fidelity II) technology: generate the arbitrary waveforms point by point.
  • jitter of all the output waveforms (including Sine, Pulse, etc.) as low as 200 ps.
  • 8 Mpts memory depth (optional) per channel for arbitrary waveforms.
  • Optional dual-channel with the same performance, equivalent to two independent signal sources.
  • Built-in high-order harmonic generator (at most 8-order harmonics).
  • Built-in 7 digits/s, 240 MHz bandwidth full featured frequency counter.
  • Up to 160 built-in arbitrary waveforms, covering the common signals in engineering application, medical electronics, auto electronics, math processing, and other various fields.
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Juried Engineering CD4046BE CD4046B CD4046 CMOS Micropower Phase-Locked Loop Breadboard-Friendly IC DIP-16 (Pack of 5)

  • ...gnal-input amplifier and a common comparator input..
  • Very low power consumption: 70 µW (typ.) at VCO, VCO inhibit control for ON-OFF keying and ultra-low standby power consumption fo = 10 kHz, VDD = 5 V, Source-follower output of VCO control input (Demod. output), 100% tested for quiescent current at 20 V.
  • Operating frequency range up to 1.4 MHz (typ.) at VDD = 10 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
  • Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
  • A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
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Juried Engineering CD4046BE CD4046B CD4046 CMOS Micropower Phase-Locked Loop Breadboard-Friendly IC DIP-16 (Pack of 10)

  • ...gnal-input amplifier and a common comparator input..
  • Very low power consumption: 70 µW (typ.) at VCO, VCO inhibit control for ON-OFF keying and ultra-low standby power consumption fo = 10 kHz, VDD = 5 V, Source-follower output of VCO control input (Demod. output), 100% tested for quiescent current at 20 V.
  • Operating frequency range up to 1.4 MHz (typ.) at VDD = 10 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
  • Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
  • A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
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