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Supplier: Madell Technology Corporation
Description: 1.0 GHz Frequency Counter
- Frequency Range: 1,000,000,000 Hz
- Form Factor: Bench / Free-Standing
- Display Type: Digital
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Supplier: Madell Technology Corporation
Description: 2.7 GHz Frequency Counter
- Frequency Range: 2,700,000,000 Hz
- Form Factor: Bench / Free-Standing
- Display Type: Digital
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Supplier: Allied Electronics, Inc.
Description: 2.4 GHz Universal Frequency Counter
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Supplier: Rohde & Schwarz USA, Inc.
Description: Measurement range: DC to 3 GHz Input A/B (BNC): DC to 200 MHz Input C (SMA): 100 MHz to 3 GHz Input impedance A/B: 50 Ω or 1 MΩ (switchable), sensitivity 25 mV Input impedance C: 50 Ω, sensitivity 30 mV 10-digit resolution (at 10 s gate time) Nine measurement functions, external GATE and ARMING
- Frequency Range: 0 to 3,000,000,000 Hz
- Display Digits: 7 or More Digits
- Form Factor: Bench / Free-Standing
- Display Type: Digital
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Supplier: Simpson Electric Company
Description: This counter offers a wide input frequency range from 1Hz to 35KHz, and four display ranges of 99.99Hz, 999.9Hz, 9999Hz, and 35KHz. The easiest to use counter in the S660 counter series, the S664 offers 12 DCV, 100mA sensor excitation and requires no programming to use.
- Frequency Range: 0 to 35,000 Hz
- Display Digits: 4 Digits
- Display Type: Digital
- Features: Other
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Supplier: B&K Precision
Description: The model 1823A is a reciprocal 2.4GHz universal frequency counter that is microprocessor controlled. The LED display can provide nine digits of resolution using the internal 10s gate time. The high accuracy, sensitivity and versatility of this counter make it an extremely
- Frequency Range: 2,400,000,000 Hz
- Display Digits: 7 or More Digits
- Form Factor: Bench / Free-Standing
- Display Type: Digital
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Supplier: Allied Electronics, Inc.
Description: LED Display, 3.5 GHz Operating Frequency, External Frequency Standard Input, Frequency Counters The model 1856D provides versatality and reliability for a broad spectrum of laboratory and service applications. Features RS-232 Interface Wide Measuring Range Up to 3.5 GHz
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Supplier: Stanford Research Systems, Inc. (SRS)
Description: Rubidium atomic timebase · 2 GHz prescaler input · 11-digit frequency resolution (1 s) · 10 MHz Rb timebase output · Statistical analysis & Allan variance · GPIB and RS-232interfaces The SR625 FrequencyCounter is a NIST traceable frequency counting standard for calibrating
- Maximum Count Frequency: 50,000 to 2,200,000 kHz
- Number of Digits (or Characters): 16
- Output / Interface: Frequency, Serial, Voltage
- Signal Input Type: Frequency / Pulse
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Supplier: B&K Precision
Description: The 1803D is a value-priced frequency counter offering users a simple and accurate frequency measurement. Selectable gate times 0.1 sec and 1.0 sec 7 digit LED display Highly accurate time base Compact benchtop AC powered counter* Wide Measuring range up to 200 MHz cUL
- Frequency Range: 200,000,000 Hz
- Display Digits: 7 or More Digits
- Form Factor: Bench / Free-Standing
- Display Type: Digital
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Supplier: REED-Direct
Description: Max, Min & Average readings Relative frequency measurements Large 0.5" 8-digit LCD display Period display values from 10Hz to 10MHz Data Hold; Auto power off; Overload indication Gate time selector (Fast/Slow sampling time) SPECIFICATIONS: Range (Frequency): Channel A: 50 MHz to
- Frequency Range: 50,000,000 to 2,500,000,000 Hz
- Display Digits: 7 or More Digits
- Display Type: Digital
- Form Factor: Handheld
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Supplier: Stanford Research Systems, Inc. (SRS)
Description: The SR620 Time Interval Counter performs virtually all ofthe time and frequency measurements required in a laboratory or ATEenvironment. The instrument's single-shot timing resolution and low jitter makeit the counter of choice for almost any application. · 25 ps single-shot
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Supplier: Pepperl+Fuchs SE
Description: 1-channel Input for frequency, counter, direction of rotation Installation in Zone 2 or safe area Digital input max. 400 Hz Positive or negative logic selectable Simulation mode for service operations (forcing) Line fault detection (LFD) Permanently self-monitoring Module can be
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Supplier: B&K Precision
Description: The model 1856D provides versatility and reliability for a broad spectrum of laboratory and service applications. RS232 Interface Wide measuring range up to 3.5GHz nine digit LED display Period mode for accurate low frequency measurement Totalize mode permits counting of individual events
- Frequency Range: 3,500,000,000 Hz
- Display Digits: 7 or More Digits
- Form Factor: Bench / Free-Standing
- Display Type: Digital
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Supplier: Advantech
Description: 4-ch High Speed Counter/Frequency Module Minimum Pulse Width: 1μ sec. (Frequency/Counter Mode) Function Mode: Counter (Up/Down, Bi-direction, Up, A/B Phase) Frequency Input Frequency: Frequency Mode: 5Hz ~1MHz Counter Mode: 1MHz max.
- Maximum Channels: 4 to 8
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Supplier: Accuris
Description: COUNTER-TIMER, ELECTRONIC, LOW FREQUENCY
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Supplier: Transcat, Inc.
Description: Product Highlights B&K Precision's model 2121C is a dual trace oscilloscope with a built in 50MHz Frequency Counter that offers high performance at a low price. Most competitor's entry level oscilloscopes have a 20 MHz bandwidth, while B&K Precision's models 2121C has a bandwidth of 30
- Bandwidth: 30 MHz
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Supplier: ODG (Origin Data Global)
Description: 1MHz SOP-8 Timers / Counters ROHS
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Supplier: Newark, An Avnet Company
Description: 2 pulse width outputs; 24 VDC; 0.1 A; 2 kHz; Frequency Counter; light gray
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Supplier: Acromag, Inc.
Description: • 2 input channels, 0 to 50KHz in 3 selectable ranges: - Amplitudes up to 140V AC peak - Amplitudes up to 200V peak - Pulse counter range of 0 to 65535 • Solid-state discrete output relays (1A DC loads), 0 to 48V DC • 10 to 36V DC, 24V AC power • Modbus-RTU high-speed RS-485 This signal
- Analog Input Channels: 2 #
- Operating Temperature: -13 to 158 F
- Features: Application Software Included, Frequency Input, Networkable System, Other
- Form Factor: DIN Rail
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Supplier: Mini-Circuits
Description: Mini-Circuits’ FCPM-6000RC Integrated Frequency Counter & Power Meter is a compact (5.00 x 2.66 x 1.36”) precision test device controlled via USB or Ethernet (HTTP and Telnet protocols) or operated as standalone test instrument. It simplifies test setups by enabling synchronized
- Input Voltage Range (Vcc): 5 volts
- Operating Temperature: 0 to 50 C
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Supplier: Radwell International
Description: 3BSE028926R1, DP840, ASEA BROWN BOVERI, PULSE COUNTER OR FREQUENCY MEASUREMENT MODULE DP840. FREE 2 YEAR RADWELL WARRANTY
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Supplier: OMEGA Engineering, Inc.
Description: The DPF940000 Series counters are available as a standard counter or a batch counter. The standard counter is available with single or dual presets. The batch counter has a main process counter with dual presets and a secondary counter with a single
- Operating Temperature: 32 to 122 F
- Features: Audible or Visual Alarms
- Functions: Batch Counter, Controller
- Direction: Bi-directional Counter, Down, Up
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Supplier: Mini-Circuits
Description: Mini-Circuits’ UFC-6000 is a small, light weight Frequency Counter operating over the frequency range 1 to 6000 MHz. The counter is cased in a rugged shielded case (size of 6.16” X 3.68” X 1.38”) with a 16x2 character LCD display, a reference input BNC(F) port and a
- Operating Temperature: 0 to 50 C
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Supplier: ifm efector inc.
Description: Reliable monitoring of sensors with switching signals Clearly visible 2-line LCD display Easy setting of the parameters by means of pushbuttons on the front face Use as counter for pulse, frequency, time, or operating hours Two pulse inputs for adding and subtracting From May 1st 2025,
- Number Input Channels: 2
- Operating Temperature: -4 to 149 F
- Display Type: LCD
- Output / Interface: Mechanical Switch / Relay
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Supplier: Newark, An Avnet Company
Description: 8 BIT BINARY UP COUNTER, LQFP-32; Counter Type:Binary, Synchronous, Up; Clock Frequency:1MHz; Count Maximum:255; Logic Case Style:LQFP; No. of Pins:32Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Logic IC Family:10EP; MSL:- RoHS Compliant: Yes
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Supplier: Spectrum Microwave
Description: Applications: Electronic Counter Measurers, Signal Intelligence, Radar Warning Receivers, Capture of Single RF Pulse Events, Identification of Frequency Agile Radar. Features: High Accuracy, High Resolution, Low Power, Short RF Pulse Capture, Pipeline Processor, High Data Rate, Small
- Frequency Range: 2,000 to 18,000 MHz
- Input VSWR: 2 :1
- Power Supply: -5 to 15 volts
- Operating Temperature: -40 to 85 C
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Supplier: Nexperia B.V.
Description: The HEF4518B is a dual 4-bit internally synchronous BCD counter. The counter has two clock inputs (CP0 and CP1 ), buffered outputs from all four bit positions (O0 to O3) and an asynchronous master reset input (MR). The counter advances on either the LOW to HIGH transition of the
- Clock Frequency: 40 MHz
- Operating Temperature: -40 to 85 C
- Counter Category: Asynchronous (Ripple), Synchronous
- Counter Type: BCD / Decade Counter
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Supplier: Win Source Electronics
Description: Manufacturer: AMIS Category: Integrated Circuits (ICs)>Logic>Counters, Dividers Package: 292-LBGA Product Status: Active Protocol: MII Frequency: 1 MHz ~ 400 MHz Data Rate: 420Mbps Sensitivity: 1.1mV/°/s
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Supplier: Newark, An Avnet Company
Description: Counter Type:Divide-By-N; Clock Frequency:2.2GHz; Count Maximum:-; Logic Case Style:QFN-EP; No. of Pins:24Pins; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Operating Temperature Min:-55°C; Operating Temperature Max:85°C RoHS Compliant: No
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Supplier: Trumeter Company, Inc.
Description: at 20°C Simple to install Integral de-bounce circuitry UL and cUL approved The counter increments when contacts are opened. They may be panel mounted with the optional bezels supplied.
- Maximum Count Frequency: 0.012 kHz
- Number of Digits (or Characters): 6
- Digit Height: 0.23622047244094488 inches
- Operating Temperature: 32 to 122 F
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Supplier: ZTS Technologies Co., Ltd
Description: ZTS offers a line of drop-in circulators in various package sizes and frequency bands, specifically designed for communication applications, military applications, cellular and wireless markets. These drop-in circulators with phase matching, counter clockwise rotation along with
- Frequency Range: 1,200 to 6,000 MHz
- Isolation: 18 to 23 dB
- Insertion Loss: 0.3 to 0.45 dB
- VSWR: 1.2 to 1.3 :1
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Supplier: ZTS Technologies Co., Ltd
Description: ZTS offers a line of drop-in isolators in various package sizes and frequency bands, specifically designed for communications applications, military applications, cellular and wireless markets. These drop-in isolators with phase matching, counter clockwise rotation along with required
- Frequency Range: 1,200 to 6,000 MHz
- Isolation: 18 to 23 dB
- Insertion Loss: 0.3 to 0.45 dB
- VSWR: 1.2 to 1.3 :1
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Supplier: Allied Electronics, Inc.
Description: LCD Counter, 1 Oz Weight Model 33 counters and hour meters operate on both 10 to 277 VDC and 20 to 277 VAC and are not frequency sensitive. These units also provide a large display, 7 mm in an industry-size housing. Meters and counters are available in a variety of
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Supplier: Allied Electronics, Inc.
Description: S664 — Frequency Counter Accepts Count Rates Up to 20 kHz (S664 — 35 kHz) English Programming Prompts, No Symbols Four Presets, Two Outputs Large, Tactile Buttons for Easy Programming Broad Scaling Range Using Front Panel Buttons Field Replaceable Relay Cards 6 Digit, 0.56" (14.2 mm)
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Supplier: Advantech
Description: 1 bit overflow/underflow 1 MHz counter frequency 4 digital input channels with counter gate functionality 4 digital output channels with counter alarm output functionality Over voltage, short circuit and thermal protection design 2500 VDC isolation protection (between
- Number of Counters: 4
- Operating Humidity: 5 to 95 %
- Direction: UP / DOWN, UP Only
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An Ultra-Stable Referenced Interrogation System in the Deep Ultraviolet
for a Mercury Optical Lattice Clock
1 GHz Frequency counter / FFT analyzer .
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Frequency Counters
1 GHz Frequency Counter - This simple counter is useful for frequency measurements of various wireless equipments, especially transmitters, receivers and signal generators in VHF/UHF band. . .
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A simple rubidium-stabilised laser diode for interferometric applications
The RF beat was measured using a Telefunken BPW 28 fast photodiode, an Avantek RF amplifier (0.7 to 2.5 GHz band- width) and a Philips 1 GHz frequency counter .
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Integrated external cavity laser composed of spot-size converted LD and UV written grating in silica waveguide on Si
The oscillation frequency was measured with a Michelson inter- ferometer frequency counter with < 1GHz error, and found to be very stable.
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Absolute frequency measurements for hyperfine structure determination of the R(26) 62-0 transition at 501.7 nm in molecular iodine
A local oscillator locked to a 1 GHz reference drives the frequency counter and the repetition rate of the femtosecond laser.
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Calibration of signal generators
A typical signal generator will have a frequency coverage of a few tensof kilohertz to over 1GHz and therefore the frequency counter has to have sufildent range to accommodate thiscoverage.
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Building fault-tolerant hardware clocks from COTS components
For example, even if the oscillator has a frequency of 1GHz , the counter will not wrap around for at least 583 years.
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Radar ECCMs new area: anti-stealth and anti-ARM
At present, the largest missile diameter of American and European ARM is 40 cm, so it is difficult to counter radar below frequency band 1 GHz .
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A high resolution temperature detection circuit
In order to calculate output frequency, we design a 1GHz frequency oscillator and a frequency counter .
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Proceedings of International Conference on VLSI, Communication, Advanced Devices, Signals & Systems and Networking (VCASAN-2013)
For operating system clock frequency of 1 GHz , the coarse counter is clocked with pulses of 256 ps duration and its final value corresponds to coarse time interval measurement.