Model: MCA3027 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 300MHz Input C: 300 MHz đến 27 GHz Độ phân giải thời gian: 100 ps Độ phân giải tần số: 12 digit Bộ nhớ: 250k mẫu/s Data lưu vào bộ nhớ (lên tới 750k mẫu nhớ) 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
Range
Input A, B
DC to 300 MHz
Input C
300 MHz to 27 GHz or 40 GHz
Resolution
12 digits in 1 s measuring time
Acquisition C
Auto or Manual
Acquisition time
25 ms in Auto (typical)
Aux Parameters
Vmax, Vmin, Vp-p
Power C in dBm or W
Frequency Burst A, B, C
0.001 Hz to 300 MHz
Manual
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 (Single or Average), C (Average)
Mode
Single, Average
3.3 ns to 1000 s (single, average)
3.3 ns down to 37 ps (27 GHz) or 25 ps (40 GHz)
100 ps (single); 12 digit/s (average)
Auto or Manual (within ±40 MHz)
Ratio A/B, B/A, C/A, C/B
(10–9) to 1011
Input Frequency
0.1 Hz to 300 MHz
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
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
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)
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
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
Power C
Power
–35 dBm to +10 dBm
Frequency
Display Units
dBm (default) or W
0.01 dBm at 100 ms measuring time
Accuracy (Typical)
<1 dBm to 27 GHz
<4 dBm to 40 GHz (MCA3040 only)
Acquisition
Acquisition Time
20 to 30 ms in Auto (typical)
Frequency C
Input and Output Specifications
Inputs A and B
DC Coupled: DC to 300 MHz
AC Coupled: 10 Hz to 300 MHz
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 (200-300 MHz)
Attenuation
X1, X10
Dynamic Range (X1)
30 mVp-p to 10 Vp-p within ±5 V window
Trigger Level
Readout on display
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)
One-third of input signal amplitude
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
Connector
BNC
Input C – 27 GHz or 40 GHz (MCA3027, MCA3040)
0.3 to 27 GHz or 40 GHz
Operating Input Voltage Range
0.3 to 18 GHz
–33 to +13 dBm
18 to 20 GHz
–29 to +13 dBm
20 to 27 GHz
–27 to +13 dBm
27 to 40 GHz
–23 to +13 dBm
50 Ω nominal, AC coupled
VSWR
0.3 to 27 GHz
< 2.0:1 (typ.)
< 2.5:1 (typ.)
FM Tolerance
Manual acq.
50 MHzp-p; Frequency C >3.5 GHz
30 MHzp-p; Frequency C <3.5 GHz
Auto acq.
20 MHzp-p; for any Frequency C and modulation frequency >0.1 MHz
AM Tolerance
Any modulation index (minimum signal must be within sensitivity range)
Automatic Amplitude Discrimination
10 dB separation between 2 signals within 30 MHz, 20 dB otherwise
+27 dBm (27 and 40 GHz models)
Overload Indication
ON when Input C power > +10 dBm
2.92 mm spark plug 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
Auxiliary Functions
Trigger Holdoff
Time Delay Range
20 ns to 2 s, 10 ns resolution
External Start and Stop Arming
Arming can be used to synchronize the frequency and power measurements with the start of a burst signal. Minimum burst length must exceed 100 µs.
Modes
Start and Stop Arming
Input Channels
A, B, or E (Ext. arming input)
Max Rep. Rate for Arming Signal
Channel A, B
Channel E
80 MHz
Start-time Delay Range
Statistics
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
(K*X+L)/M, (K/X+L)/M, or X/M-1. 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
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
5k readings/s (Block mode)
500 readings/s (individual GET triggered)
To internal memory
250k readings/s
Internal Memory Size
750k readings
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
High Stability (HS)
Ultra High Stability (US)
Time-base Type
OCXO
Uncertainty Due to –
Aging
Per 24h
<5×10–9*1
<5×10–10*1
<3×10–10*1
Per month
<6×10–8
<1×10–8
<3×10–9
Per year
<2×10–7
<5×10–8
<1.5×10–8
Temperature variation (typ. values)
0-50 °C
<5×10–9
<2.5×10–9
20-26 °C
<2×10–8
<1×10–9
<4×10–10
Short-term Stability: t = 1 s
<1×10–10
<1×10–11
<5×10–12
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
<2.4×10–7
<0.6×10–7
<1.8×10–8
2 years after calibration
<4.6×10–7
<1.2×10–7
<3.5×10–8
*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