UniSource FC-8300
3.7 GHz Frequency Counter

Frequency measuring range ; 0.1Hz to 150MHz in A input / 80MHz to 3.7GHz in C input
Period, Total and RPM measurement for input A
9 Digit display with 0.01 mHz resolution in 1 Sec (By Ext. Reference Signal)
RS-232C serial interface function for communicating with computer
High sensitivity External reference input function ( Higher than 1.5 Vrms)
Reciprocal technique for high resolution at low counting frequencies
Self check function executed to perform a automatic self diagnosis of various counter function
Push-scanning for selecting Function and Gate time
Low-pass filter(100 kHz, -3 dB) installed for removing noise signal in low frequency measuring
AC/DC coupling function (Selectable AC/DC Coupling)
10:1 Input Attenuation (Selectable x1/x10 Attenuator)
Data hold function

UniSource FC8300 Shown

Product Information
Datasheet	186 KB
PDF Help

Function

Specification

Display

9 digit large green LED display, Overflow, Gate time, mHz, Hz, kHz, MHz, nS, uS, mS, S, HOL

Frequency
Measurement

Range

0.1Hz to 150MHz(A in), 80MHz to 3.7GHz(C in)

Gate Time

0.01Sec, 0.1Sec, 1Sec, 10Sec

Resolution

1nHz to 10Hz

Accuracy

+/- Resolution +/- Timebase Error +/- 1count

Input Characteristics

Terminal

A, C

Sensitivity

A, Input : 30mVrms , C input : 50mVrms

Impedance

A Input : 1 Mohm, ←40pF , C input : 50 ohm

Max. Input Voltage

A Input : 250mVrms, C input : 3Vrms

Attenuator

A Input : x1, x10

Low Pass Filter

A Input : 100kHz, -3dB

Multi Function for
Input A

Period

Range:	10mSec to 10Sec
Resolution:	1pSec to 1nSec depending on Gate time and Input Signal

Accuracy: +/- Resolution +/- Trigger Error +/- 1 count

Totalize

Range:	5Hz to 10MHz
Count Capacity:	0 to 999999999(Max)

RPM

6 RPM to 900 x 10⁶ RPM

Time Base
Characteristics

Internal Timebase

Frequency:	10MHz TCO (TCXO; Option)
Aging Rate:	Less than 5x10^-6/month
Temperature Stability:	Less than 5 x10^-6 (0 to + 50·C)
Line Voltage:	Less than 1x10^-6 for 10% variation

Frequency Standard Output

Frequency:	10MHz
Amplitude:	1.5Vp-p Impedance Approx. 600 ohm

External Standard Input

Frequency:	10MHz
Input Level:	1.5Vrms to 5Vrms Impedance Approx. 600 ohm

General

Power Requirement

115/230VAC +/- 10% ,48 to 66Hz

Operating Temperature

0 to 50 ·C (Accuracy specified at 25 +/- 5 ·C)

Dimension

240(W) x 270(D) x 90(H)mm

Weight

Approx. 2.5 kg

Standard Accessories

Power cord, BNC cable, Fuse, Instruction manual

Ordering Information
Model	Description	Buy Online	Price
FC8300	UniSource FC8300 3.7 GHz Frequency Counter - Special Price!		$375.06 (Reg. $399.00)
Included Accessories
	Power Cord BNC Cable Fuse Instruction Manual	Included

UniSource FC-83003.7 GHz Frequency Counter

UniSource FC-8300
3.7 GHz Frequency Counter