Máy đếm tần Tektronix FCA3120 (20 GHz, 3CH)

Thương hiệu: TEKTRONIX | Tình trạng: Còn hàng
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Hãng sản xuất: TEKTRONIX
Model: FCA3120
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    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)

    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

    Vmax, Vmin, Vp-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

    Vmax, Vmin, Vp-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, 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

    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

    Vmax, Vmin, Vp-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

    Vmax, Vmin, Vp-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

    Vmin, Vmax, Vp-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 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

       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 VRMS (X1) at 1 MHz

       50 Ω

    12 VRMS (Unprotected Input)

    Connector

    BNC

    Input C – 3 GHz (FCA3003 and FCA3103 Products)

    Characteristic

    Description

    Operating Input Voltage Range

       100 to 300 MHz

    20 mVRMS to 12 VRMS

       0.3 to 2.5 GHz

    10 mVRMS to 12 VRMS

       2.5 to 2.7 GHz

    20 mVRMS to 12 VRMS

       2.7 to 3.0 GHz

    40 mVRMS to 12 VRMS

    Prescaler Factor

    16

    Impedance

    50 Ω nominal, VSWR < 2.5:1

    Max Voltage without Damage

    12 VRMS, 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 VRMS sine; impedance ≥1 kΩ

    Reference Output

    10 MHz; >1 VRMS 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 VRMS, 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

     

    Video Demo:

    https://www.youtube.com/user/tektronix/videos

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