Tektronix FCA3120 Frequency Counter (20 GHz, 3CH) | EMINKH.COM

Tektronix FCA3120 Frequency Counter (20 GHz, 3CH)

Name: Tektronix FCA3120 Frequency Counter (20 GHz, 3CH)
Brand: TEKTRONIX
Availability: OutOfStock

ManufacturerTEKTRONIX(View more products from this manufacturer)

ModelFCA3120

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Available Functions and Features:
Automated Measurements: Frequency, Period, Ratio, Time Interval, Time Interval Error, Pulse Width, Rise/Fall Time, Phase Angle, Duty Cycle, Maximum Voltage, Minimum Voltage, Peak-to-Peak Voltage
Channels: 3
Input A, B: 0.001 Hz to 300 MHz (300-400 MHz in Manual Trigger mode)
Input C: 300 MHz to 20 GHz
Time Resolution: 50 ps
Frequency Resolution: 12 digit
Meas. Speed to Internal Memory :250k measurement/s, 750k results
Totalize: A, B: TotA,TotB,TotA+B,TotA–B,TotA/B
Dimension: 90 x 210 x 395mm
Weight: 2.7 kg
Include: Timer/Counter, line cord, calibration certiﬁcate, Quick Start User Manual, CD-ROM with user manual, Programmer Guide, Technical Speciﬁcations, Trial version of TimeView™Software,
and CD-ROM with National Instruments LabVIEW SignalExpress™ Tektronix,Edition, Limited Edition Software

Datasheet

Option

012-1256-xx	BNC Male to BNC Male, Cable Shielded, 9 ft., 50 Ω
012-0482-xx	BNC Male to BNC Male, Cable Shielded, 3 ft., 50 Ω

Characteristics

Measuring Functions

All measurements are displayed with a large main parameter value and smaller auxiliary parameter values (with less resolution). Some measurements are only available as auxiliary parameters.

Frequency A, B, C

Characteristic	Description
Mode	Normal, Back-to-Back (FCA3100 Series)
Range
Input A, B	0.001 Hz to 300 MHz 300-400 MHz in Manual Trigger mode
Input C	100 MHz to 3 GHz or 300 MHz to 20 GHz
Resolution	12 digits in 1 s measuring time (normal) 11 digits in 1 s measuring time (back-to-back)
Aux Parameters	V_max, V_min, V_p-p

Frequency Burst A, B, C(FCA3020 and FCA3120 – 20 GHz Only)

Characteristic	Description
Frequency and PRF of repetitive burst signals can be measured without an external control signal and with selectable-start arming delay.
Functions	Frequency in burst (in Hz) PRF (in Hz)
Range	Input A, B, C: See Frequency spec.
Minimum Burst Duration	Down to 40 ns
Minimum Pulses in Burst
Input A, B	3 (6 above 160 MHz)
Input C	3 × prescaler factor
PRF Range	0.5 Hz to 1 MHz
Start Delay	10 ns to 2 s, 10 ns resolution
Aux Parameters	PRF

Period A, B, C

Characteristic	Description
Mode	Single, Average, Back-to-Back (FCA3100 Series)
Range
Input A, B	3.3 ns to 1000 s (single, average) 4.0 µs to 1000 s (back-to-back)
Input C	10 ns down to 50 ps
Resolution	100 ps (single); 12 digit/s avg. (FCA3000 Series) 50 ps (single); 12 digit/s avg. (FCA3100 Series)
Aux Parameters	V_max, V_min, V_p-p

Ratio A/B, B/A, C/A, C/B

Characteristic	Description
Range	(10^–9) to 10¹¹
Input Frequency
Input A, B	0.1 Hz to 300 MHz 300-400 MHz in Manual Trigger mode
Input C	3 or 20 GHz
Aux Parameters	Freq 1, Freq 2

Time Interval A to B, B to A, A to A, B to B

Characteristic	Description
Range	Normal calculation: 0 ns to +10⁶ s Smart calculation: –10⁶ s to +10⁶ s
Resolution	100 ps single (FCA3000 Series) 50 ps single (FCA3100 Series)
Min Pulse Width	1.6 ns
Smart Calculation	Smart Time Interval to determine sign (A before B or A after B)

Positive and Negative Pulse Width A, B

Characteristic	Description
Range	2.3 ns to 10⁶ s
Min Pulse Width	2.3 ns
Aux Parameters	V_max, V_min, V_p-p

Rise and Fall Time A, B

Characteristic	Description
Range	1.5 ns to 10⁶ s
Trigger Levels	10% and 90% of signal amplitude
Min Pulse Width	1.6 ns
Aux Parameters	Slew rate, V_max, V_min

Time Interval Error (TIE) A, B

Normalized period back-to-back measurements, calculated as TIE(k) = k * T_REF - ∑T_I, when T_I = Individual Period Back-to-Back and TREF = Reference Period Value.

Positive and Negative Duty Factor A, B

Characteristic	Description
Range	0.000001 to 0.999999
Frequency Range	0.1 Hz to 300 MHz
Aux Parameters	Period, pulse width

Phase A Relative B, B Relative A

Characteristic	Description
Range	–180° to +360°
Resolution	Single cycle: 0.001° to 10 kHz, decreasing to 1° >10 MHz. Resolution can be improved by averaging (statistics)
Frequency Range	Up to 160 MHz
Aux Parameters	Freq (A), Va/Vb (in dB)

Totalize A, B (FCA3100 Series)

Characteristic	Description
Mode	Tot A, Tot B, Tot A+B, Tot A–B, Tot A/B
Range	1 to 10¹⁰ counts
Frequency Range	Up to 160 MHz
Start Control	Manual, start arming
Stop Control	Manual, stop arming, timed
Aux Parameters	Other Totalize functions

V_max, V_min, V_p-p A, B

Characteristic	Description
Range	–50 V to +50 V, –5 V to +5 V Range is limited by the specification for max input voltage without damage (see input A, B)
Frequency Range	DC, 1 Hz to 300 MHz
Mode	V_max, V_min, V_p-p
Resolution	3 mV (FCA3000 Series) 1 mV (FCA3100 Series)
Uncertainty (5 V range, typical)
DC, 1 Hz to 1 kHz	1% + 15 mV
1 kHz to 20 MHz	3% + 15 mV
20 to 100 MHz	10% + 15 mV
100 to 300 MHz	30% + 15 mV
Aux Parameters	V_min, V_max, V_p-p

Time Stamping A, B, C

Characteristic	Description
Raw time-stamp data together with pulse counts on inputs A, B, or C, accessible through GPIB or USB only.
Max Sample Speed	See GPIB specifications
Max Frequency	160 MHz
Time-stamp Resolution	100 ps (FCA3000 Series) 50 ps (FCA3100 Series)

Input and Output Specifications

Inputs A and B

Characteristic	Description
Frequency Range	DC Coupled: DC to 300 MHz AC Coupled: 10 Hz to 300 MHz 300-400 MHz in Manual Trigger mode for both AC and DC
Impedance	1 MΩ / 20 pF or 50 Ω (VSWR ≤ 2:1)
Trigger Slope	Positive or negative
Max Channel Timing Difference	500 ps
Sensitivity	15 mV_RMS (DC-200 MHz) 25 mV_RMS (200-400 MHz)
Attenuation	X1, X10
Dynamic Range (X1)	30 mV_p-p to 10 V_p-p within ±5 V window
Trigger Level	Readout on display
Resolution	FCA3000 Series: 3 mV FCA3100 Series: 1 mV
Uncertainty (X1)	±(15 mV + 1% of trigger level)
AUTO trigger level	Trigger level is automatically set to 50% point of input signal (10% and 90% for rise/fall time)
Auto Hysteresis
Time	Min hysteresis window (hysteresis compensation)
Frequency	One-third of input signal amplitude
Frequency Range	1 Hz to 300 MHz
Analog LP Filter	Nominal 100 kHz, RC type
Digital LP Filter	1 Hz to 50 MHz cutoff frequency
Max Voltage without Damage
1 MΩ	350 V (DC + AC peak) to 440 Hz, falling to 12 V_RMS (X1) at 1 MHz
50 Ω	12 V_RMS (Unprotected Input)
Connector	BNC

Input C – 3 GHz (FCA3003 and FCA3103 Products)

Characteristic	Description
Operating Input Voltage Range
100 to 300 MHz	20 mV_RMS to 12 V_RMS
0.3 to 2.5 GHz	10 mV_RMS to 12 V_RMS
2.5 to 2.7 GHz	20 mV_RMS to 12 V_RMS
2.7 to 3.0 GHz	40 mV_RMS to 12 V_RMS
Prescaler Factor	16
Impedance	50 Ω nominal, VSWR < 2.5:1
Max Voltage without Damage	12 V_RMS, pin-diode protected
Connector	Type-N Female

Input C – 20 GHz (FCA3020 and FCA3120 Products)

Characteristic	Description
Frequency Range	0.25 to 20 GHz
Operating Input Voltage Range
250 to 500 MHz	–21 to +27 dBm
0.5 to 14 GHz	–27 to +27 dBm
14 to 18 GHz	–27 to +27 dBm
18 to 20 GHz	–21 to +27 dBm
Prescaler Factor	128
Impedance	50 Ω nominal, VSWR < 2.0:1
AM Tolerance	>90% within sensitivity range
Max Voltage without Damage	+27 dBm
Connector	Type Precision-N Female

Rear Panel Inputs and Outputs

Characteristic	Description
Reference Input	1, 5, or 10 MHz; 0.1 to 5 V_RMS sine; impedance ≥1 kΩ
Reference Output	10 MHz; >1 V_RMS sine into 50 Ω
Arming Input	Arming of all measuring functions
Impedance	Approx. 1 kΩ
Frequency range	DC to 80 MHz
Pulse Output (FCA3100 Series)	Programmable through front GPIB/USB
Mode	Pulse Out, Gate Open, Alarm Out
Period	20 ns - 2 s, in 10 ns increments
Pulse width	10 ns - 2 s, in 10 ns increments
Output	TTL levels in 50 Ω, rise time 2 ns
Rear-panel Measurement Inputs	A, B, C (Option RP only)
Impedance	1 MΩ / 50 pF or 50 Ω (VSWR ≤ 2:1)
Connectors	SMA female for rear input C BNC for all other inputs/outputs

Auxiliary Functions

Trigger Holdoff

Characteristic	Description
Time Delay Range	20 ns to 2 s, 10 ns resolution

External Start and Stop Arming

Characteristic	Description
Modes	Start, Stop, Start and Stop Arming
Input Channels	A, B, or (rear panel) E
Max Rep. Rate for Arming Signal
Channel A, B	160 MHz
Channel E	80 MHz
Start-time Delay Range	20 ns to 2 s, 10 ns resolution

Statistics

Characteristic	Description
Functions	Maximum, Minimum, Mean, ΔMax-Min, Standard Deviation, and Allan Deviation
Display	Numeric, histograms, or trend plots
Sample Size	2 to 2 × 10⁹ samples
Limit Qualifier	Off, or capture values above, below, inside, or outside limits
Measurement Pacing	Pacing Time Range: 4 µs to 500 s

Mathematics

Characteristic	Description
Functions	(K*X+L)/M and (K/X+L)/M. X is current reading and K, L, and M are constants; set using the keyboard or as frozen reference value (X₀)

Other Functions

Characteristic	Description
Measuring Time	20 ns to 1000 s for frequency, burst, and period average. Single cycle for other measuring functions
Time-base Reference	Internal, external, or automatic
Display Hold	Freezes the result, until a new measurement is initiated through a restart
Limit Alarm	Graphical indication on front panel and/or SRQ through GPIB, plus pulse output connector (FCA3100 Series)
Limit Values	Lower limit, upper limit
Settings	Off, or alarm if value is above, below, inside, or outside limits
On Alarm	Stop or Continue
Display	Numeric + Graphic
Stored Instrument Setups	20. Instrument setups can be saved/recalled from internal nonvolatile memory. 10 can be user protected
Display	Backlit LCD graphics screen for menu control, numerical readout, and status information
Number of digits	14 digits in Numerical mode
Resolution	320 × 97 pixels

GPIB Interface

Characteristic	Description
Compatibility	IEEE 488.2-1987, SCPI 199953131A Compatibility mode
Interface Functions	SH1, AH1, T6, L4, SR1, RL1, DC1, DT1, E2
Max Measurement Rate
GPIB	15k/5k readings/s (Block mode) 4k/- readings/s (Talker Only mode) 650/500 readings/s (individual GET triggered)
To internal memory	250k readings/s
Internal Memory Size	750k readings (FCA3000 Series) 3.75M readings (FCA3100 Series)

USB Interface

Characteristic	Description
USB Version	2.0 full speed (11 Mb/s)

Calibration

Characteristic	Description
Mode	Closed case, menu controlled
Calibration Frequencies	0.1, 1, 5, 10, 1.544, and 2.048 MHz

General Specifications

Environmental Data

Characteristic	Description
Class	MIL-PRF-28800F, Class 3
Operating Temp	0 °C to +50 °C
Storage Temp	–40 °C to +71 °C
Humidity	5-95% (10-30 °C) 5-75% (30-40 °C) 5-45% (40-50 °C)
Altitude	Operating: 2,000 m Storage: 12,000 m
Safety	Directive 2006/95/EC, EN61010-1, UL61010-1, CAN/CSA C22.2 No. 61010-1
EMC	EU Directive 2004/108/EC, EN61326-1, EN61326-2-1, Class A

Power Requirements

Characteristic	Description
Basic Version	90 to 265 V_RMS, 45 to 440 Hz, <40 w="" p="">

Time-base Options

Characteristic	Standard	Medium Stability (MS)	High Stability (HS)
Time-base Type	TCXO	OCXO	OCXO
Uncertainty Due to –
Aging
Per 24h	NA	<5×10^–9*¹	<5×10^–10*¹
Per month	<5×10^–7	<6×10^–8	<1×10^–8
Per year	<5×10^–6	<2×10^–7	<5×10^–8
Temperature variation (typ. values)
0-50 °C	<1×10^–5	<5×10^–8	<5×10^–9
20-26 °C	<3×10^–6	<2×10^–8	<1×10^–9
Short-term Stability: t = 1 s	Not specified	<1×10^–10	<1×10^–11
Root Allan Variance: t = 10 s	Not specified	<1×10^–10	<1×10^–11
Power-on Stability	NA	<1×10^–7	<1×10^–8
Deviation versus final value after 24h ON time, after a warm-up time of:	30 min	30 min	10 min
Total Uncertainty, for Operating Temperature 20 °C to 26 °C, at 2σ (95%) Confidence Interval
1 year after calibration	<7×10^–6	<2.4×10^–7	<0.6×10^–7
2 years after calibration	<1.2×10^–5	<4.6×10^–7	<1.2×10^–7

*¹ After 1 month of continuous operation.

Physical

Dimension	mm	in.
Height	90	3.6
Width	210	8.25
Depth	395	15.6
Weight	kg	lb.
Net	2.7	5.8
Shipping	3.5	7.5