Reviews Optical Comparators

Luster Leaf 1601 Rapitest Soil KZKee Test Kit, 40 Count (2 Pack)

• 4 individual color comparators for pH, N,P,K in each one..
• Innovative and inexpensive soil test kit features an easy-to-use capsule system and color comparators.
• Contains tests for ph, nitrogen, phosphorus, and potassium levels.

MC14046BCP Phase Lock Loop (PLL) IC 1.9MHz 1 16-DIP (0.300\

• The CD4046B CMOS Micropower Phase-Locked Loop (PLL) consists of a low-power, linear voltage-controlled oscillator (VCO) and two different phase comparators having a common signal-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....

1pcs/lot Brand CD4HC7046AE 74HC7046 DIP-16 Phase-Locked Loop

• The CD4046B CMOS Micropower Phase-Locked Loop (PLL) consists of a low-power, linear voltage-controlled oscillator (VCO) and two different phase comparators having a common signal-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....

Juried Engineering CD4046BE CD4046B CD4046 CMOS Micropower Phase-Locked Loop Breadboard-Friendly IC DIP-16 (Pack of 5)

• The CD4046B CMOS Micropower Phase-Locked Loop (PLL) consists of a low-power, linear voltage-controlled oscillator (VCO) and two different phase comparators having a common signal-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....

Juried Engineering CD4046BE CD4046B CD4046 CMOS Micropower Phase-Locked Loop Breadboard-Friendly IC DIP-16 (Pack of 10)

• The CD4046B CMOS Micropower Phase-Locked Loop (PLL) consists of a low-power, linear voltage-controlled oscillator (VCO) and two different phase comparators having a common signal-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....

ON Semiconductor Analog Comparators Dual Comparator, Pack of 100 (KA319)

ON Semiconductor Analog Comparators Dual Comparator, Pack of 100 (LM393AMX)

Luster Leaf 1602 Soil Test Kit 20

• Quick, at home results for Soil pH, Nitrogen, Phosphorous and Potash Innovative and inexpensive soil test kit features an easy-to-use capsule system and patented color comparators.
• Contains all components needed for 20 tests. 5 for each of pH, N, P and K.
• Contains all components needed to test all variables in several spots in the yard or garden.
• Simple, detailed instructions included. Great for beginners and experienced gardeners alike..
• Soil pH preference list for over 450 plants included.

Luster Leaf 1601 Rapitest Test Kit for Soil pH Nitrogen Phosphorous and Potash 1 Pack

• Quick, at home results for Soil pH, Nitrogen, Phosphrous and Potash.
• Innovative and inexpensive soil test kit features an easy-to-use capsule system and patented color comparators.
• Contains all components needed for 40 tests. 10 for each of pH, N, P and K.
• Simple, detailed instructions included. Great for beginners and experienced gardeners alike..
• Soil pH preference list for over 450 plants included.

Fowler 52-520-199-0 Magetic Base and Black Dial Indicator Set

• Precision Measurements: Features a 2.25" diameter dial indicator with 0.001" graduations, a revolution counter equal to 0.1" per revolution and....
• Accurate Readings: Dial Indicator has microfine graduations for 0-100 continuous readings and is designed to measure variations up to 0.001".
• Base Dimensions: The magnetic base features an on/off switch for easy magnet release and is 2" in height by 2-11/32" in width and 1-13/16" in depth.
• Set Includes: 1" dial indicator, magnetic base with fine adjustment, and fitted storage case.
• Used on lathes, surface plates, milling machines, comparators and various other machining applications.

Voltage Measurement Module, DVB01 Voltage Comparator for Voltage Measurement for Control Applications

• The LM2903P devices consist of two independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages.
• Single-supply or dual supplies Wide range of supply voltage Maximum rating: 2 V to 36 V.
• Low supply-current independent of supply voltage: 200 µA per comparator, Output compatible with TTL, MOS, and CMOS.
• Common-mode input voltage range Includes Ground, Low output saturation voltage.
• Differential input voltage range equal to maximum-rated supply voltage: ±36 V.

Fowler 52-641-300-0, Dial Indicator with Flex-Arm Magnetic Base and 1\ Travel

• Precision Measurements: Features a 2-1/4" diameter dial indicator with 0.001" graduations, a revolution counter, and tolerance markers to observe tolerance limits.
• Accurate Readings: Dial indicator has microfine graduations for 0-100 continuous readings.
• magnetic base also has a V-base for mounting on cylindrical surfaces.
• Magnetic Base: The magnetic base features an on/off switch for an easy magnet release.
• Set Includes: 2-1/4" dial indicator, flex arm magnetic base, and fitted storage case.
• Used on lathes, surface plates, milling machines, comparators and various other machining applications.

Juried Engineering LM2903P LM2903 Dual Differential Comparator Automotive Grade Breadboard-Friendly IC DIP-8 (1 Piece)

• The LM2903P devices consist of two independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages.
• Single-supply or dual supplies Wide range of supply voltage Maximum rating: 2 V to 36 V.
• Low supply-current independent of supply voltage: 200 µA per comparator, Output compatible with TTL, MOS, and CMOS.
• Common-mode input voltage range Includes Ground, Low output saturation voltage.
• Differential input voltage range equal to maximum-rated supply voltage: ±36 V.