Microwave Frequency Counters - MF2400

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Microwave Frequency Counters
Model Number: MF2400
Frequency Range: 10 Hz to 20/27/40 GHz

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This Product is Obsolete

Description

The MF2400 series consists of three frequency counters:

MF2412B (20 GHz)
MF2413B (27 GHz)
MF2414B (40 GHz).

They are ideal for evaluating mobile radio communications devices and circuits, with the ability to measure the carrier frequency and pulse width of burst signals. In addition to displaying measurement results on a 12-digit LCD, the frequency values can be read using the analog display function, which is ideal for monitoring evaluation and especially for frequency adjustment, as in the case of various types of oscillators.

The template function is useful for assessing quickly whether or not the measurement results fall within the upper and lower frequency limit specifications; the evaluation result is output from the AUX connector on the rear panel as a Go/No-Go signal. An easy-to-use automatic measurement system can be configured using the GPIB function.

Features

Measures carrier frequency and pulse width of burst signals
Analog frequency display
Pass/Fail evaluation for frequency range specified by template function
Measurement of any burst section using gating function

Frequency range	10Hz to 20GHz (MF2412B)
	10Hz to 27GHz (MF2413B)
	10Hz to 40GHz (MF2414B)
Resolution, gate time	0.1s/1Hz
Burst measurement	Minimum burst width 100ns, resolution 1ns
Analog display, transient measurement
Dimensions and mass	213(W) x 88(H) x350(D) mm, 5kg

Applications

Wide Band Measurement
The line up of three counters upper frequency limits of 20, 27, and 40 GHz meet every type of usage requirement. In addition, a high-frequency fuse holder and fuse element protects the input circuit from excessively powerful signals, and a variety of adapters are available for coupling each connector.

High-accuracy burst measurement
The carrier frequency, burst width and burst repetition rate of a 100 ns to 0.1 s burst signal input from INPUT 1 can be measured quickly with high accuracy.

Analog display function
Using this function, the entire LCD becomes an analog meter and the measured values are indicated by the position of the meter needle. In addition to grasping changes in the measured frequency, this permits faster frequency adjustment and Go/No-go judgement of oscillators which had to be read as many digits of measured data before. This analog meter also solves problems associated with misreading frequency values.

Template function
After the upper and lower frequency limits have been preset, if the measured frequency is within the preset range, Go is displayed; if it is out of range, No-go is displayed. In addition, the Go/No-go signal can be output from the AUX connector on the back panel as a TTL signal. This is very useful for configuring an automatic device Pass/Fail evaluation system (using analog display).

High-speed transient measurement
Frequency counters have an interval when measurement is not performed (sample rate), so that sudden frequency changes during this period cannot be measured. However, the MF2400 series overcomes this problem by capturing frequency changes at speeds of up to 10 ?s and saving a maximum of 2000 sampling points. When it is combined with a host computer, frequency changes can be displayed graphically. This is very effective for measuring VCO start-up characteristics and PLL lock times.

Gating function
With burst signal measurements, the carrier frequency may be different at the start, middle, and end of the burst. In the MF2400 series, the carrier signal frequency at any position of the signal (delay time from trigger signal leading edge) and at any specified time (gate time) can be measured using a combination of the gating and trigger delay functions.

Related Literature / Software:

MF2400C Series Microwave Frequency Counter	Brochure
RF and Microwave Instruments Product Brochure	Brochure
Support for Microwave Bands	Data Sheet
MF2400 series	Data Sheet
Electronic Measuring Instruments Catalog	Catalog
Narrow Pulse Measurements	Application Note
Measuring Pulsed Power and Frequency	Application Note
MF241X family of Microwave Frequency Counters	Driver/Software/Firmware
Microwave Frequency Counter MF2400 Series	Operations Manual
MF2400C Series Microwave Frequency Counter	Product Introduction

This Product is Obsolete

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