Measurement Functions |
Measurement Functions |
|
Time Interval, Pulse Width, Rise/Fall Time, Frequency, Burst Frequency, Period, Ratio f1/f2, Phase, Duty Factor, Totalize |
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Frequency |
Input A: |
10 -10 Hz to 300 MHz |
Input B: |
10 -10 Hz to 100 MHz |
Input C: |
Optional Input Pre-Scaler |
|
(PM9624): 100 MHz to 2.7 GHz |
|
(PM9638): 300 MHz to 8 GHz |
Resolution: |
11 digits/s measurement time |
|
Burst Frequency Input A,B,C |
Frequency Range Input A: |
Up to 300 MHz |
Frequency Range Input B: |
Up to 100 MHz |
Frequency Range Input C: |
Up to 8.0 GHz with options |
Start Delay Range: |
200 ns to 1s, 100 ns resolution |
|
Period A |
Range: |
3.3 ns to 10 10 s |
Resolution: |
11 digits/s measurement time |
|
Ratio A/B, C/B |
Range: |
10 -9 to 10 15 |
Frequency Range: |
Input A,B: 10 -10 Hz to 160 MHz |
|
Input C: See input C frequency range. |
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Time Interval A to B |
Range: |
0 ns to 10 10 s |
Resolution: |
single shot 50 ps (1 ps average) |
Frequency Range: |
Up to 160 MHz |
|
Pulse Width A |
Range: |
3 ns to 10 10 s |
Frequency Range: |
Up to 160 MHz |
|
Rise and Fall Time |
Range: |
3 ns to 10 10 s |
Frequency Range: |
Up to 160 MHz |
Input Amplitude: |
250 mV p-p |
|
Phase A Relative B |
Range: |
-180º to +360º |
Resolution: |
0.01º |
Frequency Range: |
0.03 Hz to 160 MHz |
|
Duty Factor A |
Range: |
0 to 1 |
Frequency Range: |
0.11 Hz to 160 MHz |
|
Totalize A,B |
Range: |
0 to 10 17 , 0 to 10 10 in A-B modes |
Frequency Range: |
0 to 160 MHz |
A Gated by B: |
Event counting on input A during the presence of a pulse on input B. Single or cumulative event counting during set measuring time. |
A start/stop by B: |
Event counting on input A between two consecutive pulses on B. |
Manual A-B: |
Input A minus input B event counting with manual start/stop. |
Manual/Timed A-B: |
Input A minus input B event counting with manual start/stop. Stop after set measuring time. Time counted from first trigger event on A. |
|
AC/DC Voltage A,B |
Range: |
-50V to +50 V |
Frequency Range: |
DC, 1 Hz to 100 MHz |
Mode: |
V max, V min, V p-p |
Resolution: |
1.25 mV |
Gated Volt: |
External masking of unwanted signal components such as overshoot |
|
Optional TimeBase |
Standard: PM6681/-1- (Non-Retrofit) |
Calibration adjustment tolerance*** at +23ºC ± 3ºC: |
< 1 x 10 -6 |
Uncertainty due to: |
|
Aging /24 hr: |
N/A* |
Aging /month: |
< 5 x 10 -7 |
Aging /year: |
< 5 x 10 -6 |
Temperature Stability (reference temp at +23ºC): |
0-50ºC: < 1 x 10 -5 |
|
20ºC -26ºC: £ 3 x 10 -6 |
Line Voltage variation of ±10%: |
< 1 x 10 -8 |
Power On Stability: |
Not Specified |
Total Uncertainty**** at 2 s (95%) confidence interval and at 23ºC ± 3ºC: |
After 1 Year Cal interval < 7 x 10 -6 |
|
After 2 Year Cal interval < 1.2 x 10 -5 |
Total Uncertainty**** at 2 s (95%) confidence interval and at 0-50ºC: |
After 1 Year Cal interval < 1.2 x 10 -5 |
|
After 2 Year Cal interval < 1.5 x 10 -5 |
|
OCXO: PM6681/-5- (PM9691) |
Calibration adjustment tolerance*** at +23ºC ± 3ºC: |
< 2 x 10 -8 |
Uncertainty due to: |
|
Aging /24 hr: |
< 5 x 10 -10 ** |
Aging /month: |
< 1 x 10 -8 |
Aging /year: |
< 7.5 x 10 -8 |
Temperature Stability (reference temp at +23ºC): |
0-50ºC: < 5 x 10 -9 |
|
20ºC -26ºC < 6 x 10 -10 (typical values) |
Line Voltage variation of ±10%: |
< 5 x 10 -10 |
Power-on stability: |
1 x 10 -7 Deviation versus final value after 24 hr on time, after a warm-up time of: 15 min |
Total Uncertainty**** at 2 s (95%) confidence interval and at 23ºC ± 3ºC: |
After 1 Year Cal interval: < 9 x 10 -8 |
|
After 2 Year Cal interval: < 1.5 x 10 -7 |
Total Uncertainty**** at 2 s (95%) confidence interval and at 0-50ºC: |
After 1 Year Cal interval: < 1 x 10 -8 |
|
After 2 Year Cal interval: < 2 x 10 -7 |
|
OCXO: PM6681/-6- (PM9692) |
Calibration adjustment tolerance*** at +23ºC ± 3ºC: |
< 5 x 10 -9 |
Uncertainty due to: |
|
Aging /24 hr: |
< 3 x 10 -10 ** |
Aging /month: |
< 3 x 10 -9 |
Aging /year: |
< 2 x 10 -8 |
Temperature Stability (reference temp at +23ºC): |
0-50ºC: < 2.5 x 10 -9 |
|
20ºC -26ºC < 4 x 10 -10 (typical values) |
Line Voltage variation of ±10%: |
< 5 x 10 -10 |
Short term stability: |
(root Allan Variance) |
|
T = 1 s: 1 x 10 -11 |
|
T = 10 s: 3 x 10 -12 |
|
T = 100 s: 1 x 10 -12 |
Power-on stability: |
5 x 10 -9 Deviation versus final value after 24 hr on time, after a warm-up time of: 10 min |
Total Uncertainty**** at 2 s (95%) confidence interval and at 23ºC ± 3ºC: |
After 1 Year Cal interval: < 2.5 x 10 -8 |
|
After 2 Year Cal interval: < 5 x 10 -8 |
Total Uncertainty**** at 2 s (95%) confidence interval and at 0-50ºC: |
After 1 Year Cal interval: < 2.5 x 10 -8 |
|
After 2 Year Cal interval: < 5 x 10 -8 |
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*N/A: Not discernible, neglectable versus 1°C temperature variation. **After 48 hours continuous operation ***Calibration Adjustment Tolerance: Is the maximal tolerated deviation from the true 10MHz frequency after a calibration. When the reference frequency does not exceed the tolerance limits at the moment of calibration, an adjustment is not needed. ****Total uncertainty: Is the total possible deviation from the true 10MHz value under influence of frequency drift due to aging and ambient temperature variations versus the reference temperature. The operating temperature range and the calibration interval are part of this specification.
Input and Output Specifications |
Input A & B |
Frequency Range: |
|
AC coupled: |
10 Hz to 300 MHz |
DC coupled: |
DC to 300 MHz |
Coupling: |
AC or DC |
Rise time: |
Approximately 1.1 ns |
Impedance: |
1 MΩ //15 pF or 50Ω , VSWR < 2:1; 1 MΩ//65 pF or 50Ω with PM 9611/80 rear panel inputs |
Trigger Slope: |
Positive or negative |
Channel Inputs: |
Separate, Common A or Swapped |
Max. channel timing difference: |
500 ps |
Sensitivity (SineWave): |
20 mV, up to 100 MHz |
|
25 mV, 100 MHz to 200 MHz |
|
40 mV, 200 MHz to 250 MHz |
|
60 mV, > 250 MHz |
Pulse Width: |
5 ns at 60 mV p-p, > 3 ns at 90 mV p-p |
Attenuation: |
X1 or X10 |
Hysteresis Window (x1): |
20 mV p-p |
Variable Hysteresis A (x1): |
30 mV p-p to 10 V p-p up to 120 MHz |
Dynamic Range: |
60 mV p-p to 10 V p-p (up to 100 MHz) within ± 5V window |
|
75 mV p-p to 10 V p-p (100 to 200 MHz) within ± 5V window |
|
Trigger |
Trigger Level: |
Read out on display |
Range: |
(x1): -5V to + 5V |
|
(x10): -50V to + 50V |
Resolution: |
(X1): 1.25 mV |
Uncertainty: |
(x1): ±(4 mV + 0.8% of trigger level) |
|
Auto Trigger Level |
|
Trigger level is automatically set to 50% of input signal. |
Frequency: |
1Hz |
|
Low Pass Filter A |
|
100 kHz fixed. > 40 dB attenuation at 1 MHz |
|
Digital Low Pass Filter |
|
1 Hz to 5 MHz using trigger hold off |
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Trigger Indicator |
|
Trigger Slope |
|
Damage Level |
1 M W Impedance: |
350V (DC + AC peak) at DC to 440 Hz, falling to 12 Vrms (x1) and 120 V rms (x10) at 1 MHz |
50 W Impedance: |
12V rms |
|
Optional Pre-Scalers |
Input C (PM 9624) |
Frequency Range: |
100 MHz to 2.7 GHz |
Pre-Scaler Factor: |
32 |
Sensitivity: |
20 mV rms to 12V rms, 100 to 300 MHz |
|
10 mV rms to 12V rms, 0.3 GHz to 2.5 GHz |
|
20 mV rms to 12V rms, 2.5 GHz to 2.7 GHz |
Amplitude Modulation: |
DC to 0.1 MHz: Up to 94% depth |
|
0.1 to 6 MHz: Up to 85% depth |
|
Minimum signal must exceed Input Sensitivity Threshold |
Impedance: |
50Ω nominal, AC coupled, VSWR < 2:1 |
Max. Voltage without Damage: |
12V rms pin diode protected |
Connector: |
Type N Female |
|
Input C (PM9638) |
Frequency Range: |
300 MHz to 8 GHz |
Pre Scalar Factor: |
256 |
Operating Input Voltage Range: |
300...500 MHz: -21...+30 dBm |
|
0.5...3.0 GHz: -27...+30 dBm |
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3.0...4.5 GHz: -21...+30 dBm |
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4.5...6.0 GHZ: -15...+30 dBm |
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6.0...8.0 GHz: -9...+30 dBm |
Impedance: |
50Ω nominal, AC coupled, VSWR < 2:1 |
Max input voltage without damage: |
7V RMS, pin diode protected |
Damage Connector |
Type N female |
|
Rear Panel Inputs And Outputs |
External Reference Input D |
Range: |
1,2,5 or 10 MHz, > 200 mV signal. |
|
Arming Input E |
|
Most measurement functions can be performed via arming input. |
Range: |
DC to 100 MHz |
Slew Rate: |
2V/µs |
Trigger Level: |
TTL, 1.4V nominal |
Trigger Slope: |
Positive or Negative |
Damage Level: |
25V peak |
|
Reference Output G |
Frequency: |
10 MHz, Sine Wave |
Output: |
0.5 V rms into 50Ω load, > 0.7 V rms into hi impedance load. AC coupled |
|
Gate Open Output H |
Ouput Level: |
Closed: < 0.4 V |
|
Open: > 1.4 V into 50Ω |
Internal Delay: |
20 ns |
|
Trigger Level Outputs |
Output Level: |
Trigger Level/Attn Setting |
Impedance: |
100Ω |
|
Probe Compensation Output |
|
Buffered outputs for input A & B signals. Best used for adjustment of probes to best pulse response for the combination of probe and counter input. |
|
Analog output |
|
0 to 4.98 V in 20 mV steps, derived from three consecutive digits selected from the measurement result. |
|
Auxiliary Functions |
Trigger Hold-Off |
Time Delay Range: |
60 ns to 1.34s, 10 ns resolution |
Event Delay Range B: |
2 to 2 24 -1, max. 100 MHz |
|
External Arming |
|
External signal on input E can be used to inhibit start and/or stop triggering. |
|
Arming Delay |
|
Arming can be delayed with respect to the external arming trigger event until either the preset arming time has elapsed or the preset number of trigger events on B has occurred. |
Time Delay Range B & E: |
: 200 ns to 1.6 s, 100 ns resolution |
Event Delay Range B: |
2 to 2 24 -1, negative slope (up to 20 MHz) |
|
Statistics |
|
Min, Max, Mean and Standard Deviation. Statistics may be applied to all measurement functions with the exception of Manual Totalize. |
Sample Size: |
1 to 2 x 10 9 samples |
|
Mathematics |
|
Mathematics may be applied to all measuring functions. |
Functions: |
(K*X+L)/M or (K/X+l)/M where: X is the current reading and K,L, and M are selectable constants |
|
Other Functions |
Measuring time |
|
Single cycle, 80, 160, 320, 640, 1280 ns and 20 ms to 20s (or to 400s for some functions) |
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Display Hold |
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Freezes measuring result, until a new measurement is initiated via Restart |
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Settings |
|
20 instrument settings can be saved and recalled from internal non-volatile memory. 10 can be user protected. |
|
Auxiliary Menu |
|
Gives access to additional functions |
|
Display |
|
10-digit LCD with high-luminance backlight |
|
GPIB Interface |
Programmable Functions: |
All front panel accessible |
Interface Functions: |
SH1, AH1, T6, L4, SR1, RL1, DC1, DT1, E2 |
Time Stamping (PM 6681): |
125 ns resolution |
|
Measurement Rate* |
Via GPIB: |
250 readings/s |
To Internal Memory: |
8k readings/s |
Internal Memory Size: |
* Up to 6100 readings |
Data Output: |
ASCII, IEEE double precision floating point |
|
Software: TimeView TM Time & Frequency Analysis Software |
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TimeView runs on an IBM PC/AT or compatible with VGA/EGA monitor as a DOS application (standard). |
|
TimeView 81W for Windows is available as an option |
|
Data Capture Modes and Measurement Rate |
Free Running Measurement: |
8k readings/s |
Repetitive Sampling: |
Up to 10 MHz |
Continuous Single-Period: |
Up to 40k readings/s (200 ns resolution) |
Waveform Capture: |
Available with PM6681 |
Data Analysis Features: |
Measurement data vs. time, FFT Graph, Root Allan Variance, Smoothing function, Zoom function, Cursor measurements, Distribution Histogram, Setup and Measurement, Data Archive and Printing |
|
*Depending on measurement function and internal data format
General Specifications |
Environmental Data |
Operating Temp: |
0ºC to +50ºC |
Storage Temperature: |
-40ºC to +70ºC |
Vibration: |
3G at 55 Hz per MIL-T-28800D |
Shock: |
Half-sine 40G per MIL-T-28800D. Bench handling. Shipping container. |
Reliability: |
MTBF 30 000 h (calculated) |
Safety: |
According to CE-regulation 73/23 EN61010-1 CAT II, Pollution Degree 2 |
EMC: |
Emission according to EN 50081-1, EN 55011 Immunity according to EN 50082-1, inclusive IEC 801-2, -3, -4 |
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Power Requirements |
|
90V rms to 265V rms, 45 Hz to 440 Hz, 35W |
|
Mechanical Data |
Width: |
315 mm (12.4 in) |
Height: |
86 mm (3.4 in) |
Depth: |
395 mm (15.6 in) |
Weight: |
Net 4 kg (8.5 lb), |
|
Shipping 7 kg (15 lb) |
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