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Tektronix DG2020A Data Pattern Generator
Specifications
Data Pattern Generator
DG2020A
Characteristics
Output
Data
Data Rate - 0.1 b/s to 200 Mb/s
Sampling Rate
- 0.1 Hz to 200 MHz
Resolution - 4 digits
Clock
Output Period Jitter - <50 psp-p at 200 MHz. Typical
CH0
Period Jitter (Clock Pattern) - <35 psp-p at 200 MHz. Typical
Accuracy
- PLL On, ±0.005%; PLL Off, ±3%
Pattern Depth - 64 to 64 Kbits
(1 increment)
Data Width -
Standard: 12-Bits.
Optional: 24-
or 36-Bits.
Sequencer
Maximum Number of Blocks - 256.
Maximum
Number of Sequence Steps - 2048.
Block Repeats Per Line - 1 to
65536 or infinite.
Auxiliary Inputs
Clock - Rear-panel
SMB connector.
Frequency: DC to 200 MHz.
Impedance: 50 O, terminated
to +0.5 V.
Delay to Clock Out: 36 ns (typical).
Trigger
- Front-panel BNC connector.
Level: -5.0 V to +5.0 V.
Resolution:
0.1 V.
Threshold accuracy: ±(5% of setting) ±0.1 V.
Minimum
Pulse Width: =10 ns.
Sensitivity: >0.5 Vp-p.
Impedance:
1 kO or 50 O.
Maximum Input: ±10 V into 1 kO, ±5 V into 50 O.
Polarity:
Positive or negative.
Hold Off: 500 ns minimum.
Auxiliary
Outputs
SYNC - Front-panel BNC connector.
Level:
VOH,
2.5 V into 50 O
VOL, 0 V into 50 O.
Pulse width:
6 clocks.
Impedance: 50 O.
EVENT - Front-panel
BNC connector.
Level: Positive TTL pulse, 50 O.
Output Term: DG2020A:
8 clocks.
Delay Time: 22 clocks before data output change.
Impedance:
50 O.
CLOCK -
Rear-panel SMB connector.
Level:
1 V (typical) into 50 O.
Delay From Trigger Input:
PLL On:
>6.25 MHz:
15 to 40 ns.
<6.25 MHz: 25 to 60 ns.
PLL Off:
>6.25 MHz:
15 to 45 ns.
<6.25 MHz: 25 to 60 ns.
External: 7 ns + 1 clock
to 20 ns + 0.5 clock.
Programmable Interface -
GPIB:
ANSI/IEEE 488.2-1987.
RS-232-C: 19.2 Kb/s, D-sub 9-Pin connector.
P3420 Variable
Data Output Pod Characteristics
Data Output
Channels
- 12.
Connector - SMB.
VOH - -2.0 V to +7.0 V
into 1 MO.
VOL - -3.0 V to +6.0 V into 1 MO.
Resolution
- 0.1 V.
Maximum Swing - 9.0 Vp-p.
Minimum
Swing - 0.5 Vp-p.
Output Current -
Total
Output Current: <500 mA.
Sink: <-30 mA/CH.
Source: >+30 mA/CH.
Rise/Fall
Time - <2 ns into 1 MO, 10 pF, 5 Vp-p swing (20% to 80%)
\.
Internal Clock Out to Data Delay - 20 ns.
External
Clock Input to Data Output Delay - 20 to 40 ns.
Trigger Input
to Data Output Delay -
Internal Clock:
>6.25 MHz: 30 to 60 ns.
<6.25 MHz:
40 to 70 ns.
External Clock: 20 ns + 0.5 clock to 40 ns + 1.5 clock.
Delayed
Channels
Delay Channel - CH 8, CH 9, CH 10, CH 11.
Delay
Time - 0 to 20 ns.
Delay Resolution - 0.1 ns.
Channel
Skew -
CH 0 and other channels, same pod: <3 ns.
CH 0 and
CH 0, two pods of same type: <2 ns.
Event Input
Threshold
Level - -5.0 V to +5.0 V.
Resolution - 0.1 V.
Delay
to Data Output - =45 ns + 50 clock.
Set-up Time to Next Block
- 47 to 54 clocks.
Inhibit Input
Threshold Level - -5.0 V
to +5.0 V, 1 kO.
Resolution - 0.1 V.
Delay to Data
Output - 16 ns.
Internal Inhibit Delay - -2 ns.
Physical
Characteristics
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Dimensions
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mm
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in.
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Height*1
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51
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2
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Width
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255
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10
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Depth
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161
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6.3
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Weight
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kg
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lb.
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Net
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1
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2.2
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*1 Including feet.
General Characteristics
Environmental
Temperature
-
Operating: +10 °C to +40 °C.
Nonoperating: -20 °C to +60
°C.
Humidity -
Operating: 20% to 80% (no condensation).
Nonoperating:
5% to 90% (no condensation).
Altitude -
Operating:
Up to 4.5 km (15,000 ft.).
Nonoperating: Up to 15 km (50,000 ft.).
Vibration
- Operating: 0.33 mm p-p, 10 to 55 Hz, 15 minutes.
Shock - Nonoperating:
294 m/s2 (30 g), half-sine, 11 ms duration.
Certification
and Compliance
EC Declaration of Conformity - Meets intent
of Directive 89/336/EEC for electromagnetic compatibility.
Safety
- UL1244, CSA231, EN61010-1, IEC61010-1.
Power
AC
Line Power -
Voltage Ranges: 90 to 250 VAC.
Nominal Voltage:
100 V, 115 V, 200 V, 230 V, 240 V.
Line Frequency:
90 to 250 VAC:
48 to 63 Hz.
90 to 127 VAC: 48 to 440 Hz.
Power Consumption
- 300 W maximum.
Maximum Current - 4 A.
Physical Characteristics
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DG2000 Series Main Frame
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Dimensions
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mm
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in.
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Height*1
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164
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6.4
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Width*2
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362
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14.3
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Depth*3
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491
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8.25
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Weight
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kg
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lb.
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Net
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9.7
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21.4
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*1 Including feet.
*2 Including
handle.
*3 Including front cover. 576 mm (22.2 in.) with
handle extended.
Characteristics shown are typical. Please refer to
individual product user manuals for complete specifications.
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