Model: FCA3120 Manufacturer: Tektronix Bảo hành: 12 tháng Chức năng: Đo tự động: tần số, chu kỳ, tỷ lệ, khoảng thời gian, khoảng thời gian lỗi,độ rộng xung, sườn lên, sườn xuống, góc pha, chu kỳ hoạt động, điện áp max, điện áp đỉnh-đỉnh Số kênh: 3 Đầu vào kênh A, B: 0.001 Hz đến 300 MHz (300-400 MHz in Manual Trigger mode) Đầu vào kênh C: 300 MHz đến 20 GHz Độ phân giải thời gian: 50 ps Độ phân giải tần số: 12 digit Bộ nhớ tốc độ đo :250k mẫu/s, 750k kết quả Cộng gộp: A, B: TotA,TotB,TotA+B,TotA–B,TotA/B Kích thước: 90 x 210 x 395mm Trọng lượng: 2.7 kg Phù kiện kèm theo: dây nguồn, chứng chỉ của hãng, HDSD, CD HDSD và phần mềm
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
Vmax, Vmin, Vp-p
Frequency Burst A, B, C(FCA3020 and FCA3120 – 20 GHz Only)
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)
Input A, B, C: See Frequency spec.
Minimum Burst Duration
Down to 40 ns
Minimum Pulses in Burst
3 (6 above 160 MHz)
3 × prescaler factor
PRF Range
0.5 Hz to 1 MHz
Start Delay
10 ns to 2 s, 10 ns resolution
PRF
Period A, B, C
Single, Average, Back-to-Back (FCA3100 Series)
3.3 ns to 1000 s (single, average)
4.0 µs to 1000 s (back-to-back)
10 ns down to 50 ps
100 ps (single); 12 digit/s avg. (FCA3000 Series)
50 ps (single); 12 digit/s avg. (FCA3100 Series)
Ratio A/B, B/A, C/A, C/B
(10–9) to 1011
Input Frequency
0.1 Hz to 300 MHz
3 or 20 GHz
Freq 1, Freq 2
Time Interval A to B, B to A, A to A, B to B
Normal calculation: 0 ns to +106 s
Smart calculation: –106 s to +106 s
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
2.3 ns to 106 s
2.3 ns
Rise and Fall Time A, B
1.5 ns to 106 s
Trigger Levels
10% and 90% of signal amplitude
Slew rate, Vmax, Vmin
Time Interval Error (TIE) A, B
Normalized period back-to-back measurements, calculated as TIE(k) = k * TREF - ∑TI, when TI = Individual Period Back-to-Back and TREF = Reference Period Value.
Positive and Negative Duty Factor A, B
0.000001 to 0.999999
Frequency Range
Period, pulse width
Phase A Relative B, B Relative A
–180° to +360°
Single cycle: 0.001° to 10 kHz, decreasing to 1° >10 MHz. Resolution can be improved by averaging (statistics)
Up to 160 MHz
Freq (A), Va/Vb (in dB)
Totalize A, B (FCA3100 Series)
Tot A, Tot B, Tot A+B, Tot A–B, Tot A/B
1 to 1010 counts
Start Control
Manual, start arming
Stop Control
Manual, stop arming, timed
Other Totalize functions
Vmax, Vmin, Vp-p A, B
–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)
DC, 1 Hz to 300 MHz
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
Vmin, Vmax, Vp-p
Time Stamping A, B, C
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
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 mVRMS (DC-200 MHz)
25 mVRMS (200-400 MHz)
Attenuation
X1, X10
Dynamic Range (X1)
30 mVp-p to 10 Vp-p within ±5 V window
Trigger Level
Readout on display
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
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 VRMS (X1) at 1 MHz
50 Ω
12 VRMS (Unprotected Input)
Connector
BNC
Input C – 3 GHz (FCA3003 and FCA3103 Products)
Operating Input Voltage Range
20 mVRMS to 12 VRMS
0.3 to 2.5 GHz
10 mVRMS to 12 VRMS
2.5 to 2.7 GHz
2.7 to 3.0 GHz
40 mVRMS to 12 VRMS
Prescaler Factor
16
50 Ω nominal, VSWR < 2.5:1
12 VRMS, pin-diode protected
Type-N Female
Input C – 20 GHz (FCA3020 and FCA3120 Products)
0.25 to 20 GHz
250 to 500 MHz
–21 to +27 dBm
0.5 to 14 GHz
–27 to +27 dBm
14 to 18 GHz
18 to 20 GHz
128
50 Ω nominal, VSWR < 2.0:1
AM Tolerance
>90% within sensitivity range
+27 dBm
Type Precision-N Female
Rear Panel Inputs and Outputs
Reference Input
1, 5, or 10 MHz; 0.1 to 5 VRMS sine; impedance ≥1 kΩ
Reference Output
10 MHz; >1 VRMS sine into 50 Ω
Arming Input
Arming of all measuring functions
Approx. 1 kΩ
Frequency range
DC to 80 MHz
Pulse Output
(FCA3100 Series)
Programmable through front GPIB/USB
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)
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
Time Delay Range
20 ns to 2 s, 10 ns resolution
External Start and Stop Arming
Modes
Start, Stop, Start and Stop Arming
Input Channels
A, B, or (rear panel) E
Max Rep. Rate for Arming Signal
Channel A, B
Channel E
80 MHz
Start-time Delay Range
Statistics
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
(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
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
Numeric + Graphic
Stored Instrument Setups
20. Instrument setups can be saved/recalled from internal nonvolatile memory. 10 can be user protected
Backlit LCD graphics screen for menu control, numerical readout, and status information
Number of digits
14 digits in Numerical mode
320 × 97 pixels
GPIB Interface
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
USB Version
2.0 full speed (11 Mb/s)
Calibration
Closed case, menu controlled
Calibration Frequencies
0.1, 1, 5, 10, 1.544, and 2.048 MHz
General Specifications
Environmental Data
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
Basic Version
90 to 265 VRMS, 45 to 440 Hz, <40 W
Time-base Options
Standard
Medium Stability (MS)
High Stability (HS)
Time-base Type
TCXO
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
<5×10–9
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
Power-on Stability
<1×10–7
Deviation versus final value after 24h ON time, after a warm-up time of:
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