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Supplier: Advantech
Description: 1-ch TTL/RS-422 Encoder/Counter Module Overflow/underflow detection Latch counter value Reset counter value Set counter value Input filter Position compare output Reversion of A/B phase Input Frequency measurement (Pulse Input)
- Agency Approvals: Yes
- Direction: UP Only, UP / DOWN
- Number of Counters: 1
- Operating Humidity: 5 to 95 %
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Supplier: Lansdale Semiconductor, Inc.
Description: The 5400/7400 series of transistor-transisto r logic consists of medium speed TTL integrated circuits. This high noise immunity family was designed for general digital logic applications requiring clock frequencies to 30MHz and switching speeds in the 12-15 ns range under moderate
- Counter Type: BCD / Decade Counter
- IC Package Type: DIP, Other
- Logic Family: TTL
- Number of Counters in the Chip: 1
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Supplier: Lansdale Semiconductor, Inc.
Description: The 5400/7400 series of transistor-transisto r logic is a medium-speed, high-noise-immunity family of saturating integrated logic circuits designed for general digital logic applications requiring clock frequencies to 30MHz and switching speeds in the 12-15 ns range under moderate capacitive
- Counter Type: BCD / Decade Counter
- IC Package Type: DIP, Other
- Logic Family: TTL
- Number of Counters in the Chip: 1
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Supplier: Lansdale Semiconductor, Inc.
Description: The 5400/7400 series of transistor-transisto r logic consists of medium speed TTL integrated circuits. This high noise immunity family was designed for general digital logic applications requiring clock frequencies to 30MHz and switching speeds in the 12-15 ns range under moderate
- Counter Type: BCD / Decade Counter
- IC Package Type: DIP, Other
- Logic Family: TTL
- Number of Counters in the Chip: 1
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Supplier: Lansdale Semiconductor, Inc.
Description: The 5400/7400 series of transistor-transisto r logic is a medium-speed, high-noise-immunity family of saturating integrated logic circuits designed for general digital logic applications requiring clock frequencies to 30MHz and switching speeds in the 12-15 ns range under moderate capacitive
- Counter Type: BCD / Decade Counter
- IC Package Type: DIP, Other
- Logic Family: TTL
- Number of Counters in the Chip: 1
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Supplier: Electro-Sensors, Inc.
Description: Full Logic Control Process Counter Features • Displays process, batch, total, and rate • Full diagnostic functions • Three programmable transistor setpoint outputs and AC inputs • Non-volatile memory • Keypad lockout
- Data Logger or Recorder: Yes
- Digit Height: 0.3000 inches
- Direction: Up, Down, Bi-directional Counter
- Display Type: LED
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Supplier: Measurement Computing
Description: High-speed counter/timer device with 8 counter I/O, 4 PWM timer outputs, and 8 digital I/O. KEY HIGHLIGHTS The USB-CTR Series of USB counter devices provide high-speed counter/timer operations synchronized with digital I/O functions. Each device features high
- Application Software Included: Yes
- Bus Type: USB
- Connector Type: Other
- Counter Resolution: 64 bits
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Supplier: Measurement Computing
Description: High-speed counter/timer device with 4 counter I/O, 4 PWM timer outputs, and 8 digital I/O. KEY HIGHLIGHTS The USB-CTR Series of USB counter devices provide high-speed counter/timer operations synchronized with digital I/O functions. Each device features high
- Application Software Included: Yes
- Bus Type: USB
- Connector Type: Other
- Counter Resolution: 64 bits
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Supplier: Acromag, Inc.
Description: Ten 16-bit-TTL (482) Five 16-bit-TTL and two 16-bit-RS422 (483) Five 16-bit-RS422 counter/timer channels (484) 8 or 32MHz clock time base Several models with a variety of configurations provide up to ten counter/timer channels for counting events
- Bus Type: Other
- Counter Resolution: 16 bits
- Maximum Count Frequency: 32000 kHz
- Number of Counters: 10
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Supplier: Acromag, Inc.
Description: Ten 32-bit counters TTL I/O PCI Express bus interface Support for internal or external triggering simplifies the synchronization of operations to specific events. Designed for COTS applications these general purpose I/O modules deliver high
- Application: General Lab and Industrial
- Connection to Host: Direct Backplane Interface, TTL
- Data Acquisition Device Type: I/O Module
- Digital I/O Channels: 10 #
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Supplier: Nexperia B.V.
Description: to +85 °C and from -40 °C to +125 °C Applications Frequency dividing circuits Time delay circuits Control counters
- Counter Category: Asynchronous (Ripple)
- ESD Protection: Yes
- IC Package Type: Other
- Logic Family: TTL, Other
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Supplier: Nexperia B.V.
Description: to +85 °C and from -40 °C to +125 °C Applications Frequency dividing circuits Time delay circuits Control counters
- Counter Category: Asynchronous (Ripple)
- ESD Protection: Yes
- IC Package Type: Other
- Logic Family: TTL, Other
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Supplier: Nexperia B.V.
Description: to +85 °C and from -40 °C to +125 °C Applications Frequency dividing circuits Time delay circuits Control counters
- Counter Category: Asynchronous (Ripple)
- ESD Protection: Yes
- IC Package Type: Other
- Logic Family: TTL, Other
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Supplier: Nexperia B.V.
Description: from -40 °C to +85 °C and from -40 °C to +125 °C Applications Frequency dividing circuits Time delay circuits Control counters
- Counter Category: Asynchronous (Ripple)
- ESD Protection: Yes
- IC Package Type: Other
- Logic Family: TTL, Other
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Supplier: Measurement Computing
Description: High-speed counter/timer board with 8 counter I/O, 4 PWM timer outputs, and 8 digital I/O. KEY HIGHLIGHTS The USB-CTR Series of USB counter devices provide high-speed counter/timer operations synchronized with digital I/O functions. Each device features high
- Application Software Included: Yes
- Bus Type: USB
- Connector Type: Other
- Counter Resolution: 64 bits
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Supplier: Measurement Computing
Description: High-speed counter/timer board with 4 counter I/O, 4 PWM timer outputs, and 8 digital I/O KEY HIGHLIGHTS The USB-CTR Series of USB counter devices provide high-speed counter/timer operations synchronized with digital I/O functions. Each device features high
- Application Software Included: Yes
- Bus Type: USB
- Connector Type: Other
- Counter Resolution: 64 bits
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Supplier: Acromag, Inc.
Description: modulated output, watchdog timer, event counter, frequency measurement, pulse width measurement, period measurement, or one shot pulse output. The four 16-bit counters can also be configured into two 32-bit counter/timers. Features Digital I/O 64 TTL digital
- Bus Type: PCI
- Connector Type: Other
- Counter Resolution: 32 bits
- Digital I/O Channels: Yes
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Supplier: Acromag, Inc.
Description: two 32-bit counter/timer channels (control lines shared with 16 TTL I/O channels) Six operating modes: Pulse width modulation Watchdog timer Event counter Frequency measurement Pulse width or period measurement One-shot and repetitive one-shot TTL-compatible
- Bus Type: PCI
- Connector Type: Other
- Counter Resolution: 16 bits
- Digital I/O Channels: Yes
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Supplier: ACCES I/O Products, Inc.
Description: compatibility Standard configuration adaptor pre-configured for event counting, frequency measurement, pulse width measurement, or frequency generation Removable screw-terminal board for easy wiring User wiring adaptor card provided for flexible yet easy counter
- Agency Approvals: Yes
- Application Software Included: Yes
- Bus Type: USB
- Connector Type: Other
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Supplier: Define Instruments
Description: settings. Up to four relays can be added, as well as 4-20mA retransmission and serial output. Quadrature (x1, x2, x4), NPN, PNP or TTL sensors (3 x counter inputs available) Choice of single/dual display Advanced count modes and batching functions Signal
- Digit Height: 0.4000 to 0.5000 inches
- Direction: Bi-directional Counter
- Display Type: LED
- Functions: Controller, Batch Counter
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Supplier: Advantech
Description: and/or laboratory applications.Unique Digital FilterPCL-836 includes a unique digital filter to eliminate noise on the input signal. The frequency can be adjusted to provide more stable output readings. Periodic interrupt generation 6 independent 16-bit counters Digital
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Supplier: OMEGA Engineering, Inc.
Description: digital I/O and 6 channels of frequency and pulse I/O. The I/O capacity can be expanded up to 256 digital I/O lines using external OMB- DBK digital options. These options are available as TTL-level I/O, relay output, or optically isolated input and output.
- Accuracy: 0.0280 % FS
- Application: General Lab and Industrial, Environmental, Marine, Weather / Meteorology, Medical / Biomedical
- Application Software Included: Yes
- Connection to Host: Other
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Supplier: ACCES I/O Products, Inc.
Description: typically 25 microseconds. COUNTER/TIMER This card also contains a type 8254 counter/timer chip which has three 16-bit counters. These counters can be used as an A/D pacer clock and/or can be used to measure pulse width, count events, measure or generate
- Analog Input Channels: 8 #
- Application: General Lab and Industrial
- Differential Channels: Yes
- Form Factor: Printed Circuit Board (PCB)
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Supplier: ACCES I/O Products, Inc.
Description: available to you at the I/O connector. The counters can be used to generate periodic interrupt requests, for event counting, pulse and waveform generation, frequency and period measurements, etc. Timed A/D conversions may be initiated by the counter/timer if a jumper is
- Accuracy: 0.0200 % FS
- Analog Input Channels: 8 #
- Application: General Lab and Industrial
- Connection to Host: Direct Backplane Interface
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Supplier: RS Components, Ltd.
Description: rate, speed, frequency and period measurement. Dual counter. 0.001% RDG basic accuracy. Range from 0.001Hz to 50kHz/20µs to 1000s. Scalable inputs and counters. Linearization of the inputs up to 16 points. NPN, PNP, NAMUR, TTL, Pick-up, free of voltage contacts and AC
- Analog Input Type: Frequency, Other
- Depth: 48 mm
- Height: 45 mm
- Operating Temperature: 32 to 122 F
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Supplier: Renesas Electronics Corporation
Description: voltage range, low Threshold, span style="text-decorati on: overline"Trigger/spa n and span style="text-decorati on: overline"Reset/span currents, no crowbarring of the supply current during output transitions, higher frequency performance and no requirement to decouple Control
- Clock Frequency: 1.00E-7 to 1 MHz
- IC Package Type: SOIC, PDIP
- Logic Family: Standard CMOS / CMOS (4000)
- Operating Current: 0.0400 mA
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Supplier: Microchip Technology, Inc.
Description: 150ps.The EN (enable) input guarantees that the ÷1, ÷2 and ÷4 outputs will start from the same state without any runt pulse after an asynchronous master rest (MR) is asserted. This is accomplished by enabling the outputs after a four-clock delay to allow the counters to synchronize
- Clock Frequency: 1500 MHz
- IC Package Type: Other
- Logic Family: Other
- Operating Current: 350 mA
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Supplier: Opto 22
Description: The SNAP-AIRATE provides two channels of frequency-to-digital conversion at 0-25,000 Hz. Nine volts through a 4.7 K Ohm pull-up resistor are provided internally for use with devices that have open collector outputs. The module works with TTL, CMOS, and open collector outputs and is
- Accuracy: 0.5000 % FS
- Analog Input Channels: 2 #
- Application: General Lab and Industrial
- Form Factor: Modular Bay / Slot System
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Supplier: OMEGA Engineering, Inc.
Description: providing a no-slip rubber surface for single hand operation. The HHT13 is a 32 function Tachometer/Ratemeter , Totalizer/Counter and Timer (stopwatch), which is programmable in both English and Metric rates. Support is built-in for the optional Remote Contact Assembly (RCA) and the plug-in
- Display: Digital
- Features: Battery Powered, Counter / Totalizer, Timer
- Form Factor: Handheld
- Interface / Control: Digital Front Panel
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Supplier: Red Pitaya, d.o.o.
Description: STEMlab 125-14 External clock is based on the STEMlab 125-14 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. With this modification,
- Differential Channels: Yes
- Features: Voltage Excitation Supply, Current Excitation Supply, Integral Amplifier, Programmable Gain
- Form Factor: Printed Circuit Board (PCB), Panel / Chassis Mount, Modular Bay / Slot System, DIN Rail, Stand Alone
- Inputs / Channels: 6 #
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Supplier: Monarch Instrument
Description: The ACT-3X Panel Tachometer is a powerful NIST calibrated fully programmable tachometer and totalizer. It accepts inputs from all Monarch speed sensors or from any standard TTL generating device. The unit operates from 120/240Vac input power or from 12 or 24Vdc input power (optional
- Display: Digital
- Features: Application Software, Counter / Totalizer
- Form Factor: Benchtop, Panel Mount
- Interface / Control: Digital Front Panel, Computer Programmable
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Supplier: RS Components, Ltd.
Description: lowest current consumption in a small form factor. The 32-bit ARM Cortex core provides two high-speed events, pulse and frequency counter inputs and one 16-bit PWM output combined with a precise internal voltage reference for the 12-bit analogue inputs. The automotive-qualified CAN2.0A
- Input: Analog Input, Other Input
- Network: CANbus, Other
- Networkable System: Yes
- Number of Inputs: 5
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Supplier: CARLO GAVAZZI Automation Components
Description: counter 0.001% RDG basic accuracy Range from 0.001Hz to 50kHz/20µs to 1000s Scalable inputs and counters Linearization of the inputs up to 16 points Special calculation functions NPN, PNP, NAMUR, TTL, Pick-up, free of voltage contacts and AC
- Accuracy: 1.00E-3 ± % of Full Scale
- Analog Input Channels: 2
- Analog Input Type: Frequency
- Depth: 105 mm
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Supplier: RS Components, Ltd.
Description: 8 MHz to 12 MHz Clock Input Frequency. Three Independent 16-Bit Counters. Six Programmable Counter Modes. Status Read Back Command. Binary or BCD Counting. Fully TTL Compatible. Single 5 V Power Supply. Low Power Mounting Type = Surface Mount Timer Type = Programmable
- Frequency: 10 MHz
- Operating Temperature: 0.0 to 70 C
- Package / Form Factor: Other
- Supply Voltage: 4.5 to 5.5 volts
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Supplier: Tradeport Electronics Group
Description: Frequency Range: 0.1Hz~10MHz - Waveforms: Sine, Triangle, Square, Ramp, TTL and CMOS Output - External Voltage Controlled Frequency (VCF) Function - Duty Cycle Control with Signal Inversion Capability - Variable DC Offset Control - Two-Step (-20Bx2) and Variable Attenuator -
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Advantech Co. Ltd. MIC-3780 - 8-ch Counter/Timer CPCI Cards
Counter / Timers Frequency Counters TTL Digital I/O Cards .
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Timers and Counters Circuits, page 3
I once built a frequency counter using plain TTL chips.
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http://dspace.mit.edu/bitstream/handle/1721.1/50328/39031463-MIT.pdf?sequence=2
Fuel flow is measured by a flowmeter which outputs a TTL signal to a frequency counter for conversion to engineering units.
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Fast digital two-channel pulse generator for controlling time-resolved experiments
The counters for the lower frequencies are six TTL 7490 counters .
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Fabrication of Piezoelectric Thickness-Shear-Mode Acoustic Wave Sensing Device and its Application
The piezoelectric thickness-shear-mode (TSM) acoustic wave sensing device was fabricated by coating with a calixarene derivative on the surface of gold electrode of quartz crystal, then connecting with a transistor-transistor-logic ( TTL ) oscillator, a frequency counter and a computer.
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Frequency synthesis in V.H.F. mobile radio
gives the advantages of V. H. F./U .H,F .programmable counting but allows the programming to be performed at low frequencies with CMOS or TTL counters .
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Development of A Simple, Low Cost, Microcontroller based Universal Interface for Ion Beam Dose Measurement
For initial testing of the counters , TTL pulses with frequency in the range of0-2KHz from a standard waveform generator were fed to the counters and the count readout were monitored over fixed period of time.
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http://dspace.mit.edu/bitstream/handle/1721.1/94957/87ja030_full.pdf?sequence=1
oscillator, a mixer, an IF amplifier, a TTL driver, and a frequency counter (Fig. 1).
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A microwave position sensor with submillimeter accuracy
From left to right: 35 GHz divide by four dynamic frequency divider, 8.75-GHz gate, eight divide by two static frequency dividers, 12-b TTL counter .
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Modeling and performance analysis of a fiber Bragg grating interrogation system using an acousto-optic tunable filter
The mean AOTF frequency was monitored using a TTL logic counter .