Atec Tektronix-DG2020 - Manual (Page 2)

OUTPUT DATA
Data Rate –
DG2040: 0.1 bps to 1100 Mbits/s.
DG2030: 0.1 bps to 409.6 Mbits/s.
DG2020A: 0.1 bps to 200 Mbits/s.
Clock Period Jitter –
DG2040: < 30 ps p-p at 1100 MHz. Typical.
DG2030: < 50 ps p-p at 200 MHz. Typical.
DG2020A: < 50 ps p-p at 200 MHz. Typical.
Data Depth –
DG2040: 360 to 256 Kbits (1 increment).
DG2030: 90 to 256 Kbits (1 increment).
DG2020A: 64 to 64 Kbits (1 increment).
Data Width –
DG2040: 2 bits (complementary outputs)
via front-panel SMA connectors.
DG2030:
Standard: 4 bits via front-panel BNC
connectors.
Optional: 8 bits via 4 front-panel, 4
rear-panel BNC connectors.
DG2020A:
Standard: 12 bits.
Optional: 24 or 36 bits.
SEQUENCER
Maximum Number of Blocks – 256.
Maximum Number of Sequence Steps –
DG2040: 4000.
DG2030: 4000.
DG2020A: 2048.
Block Repeats Per Line – 1 to 65536 or
infinite.
DATA AND CLOCK OUTPUT (DG2040)
Data –
Output:
Standard: Ch 0 & Ch 1 at front-panel
SMA and Clock at rear panel SMA
connectors.
V
OH
: –0.875 V to +3.5 V into 50
Ω
.
V
OL
: –1.125 V to +3.25 V into 50 Ω .
Rise/Fall Time (20 to 80%): < 150 ps at
1 V
p-p
and 10 MHz.
Delay Function:
Delay channel: Ch 0 or Ch 1.
Delay time: –1 ns to +2 ns.
Delay resolution: 10 ps.
DATA AND CLOCK OUTPUT (DG2030)
Data –
Output:
Standard: Ch 0 to Ch 3 and Clock at
front-panel BNC connectors.
Optional: Ch 4 to Ch 7 at rear-panel BNC
connectors.
V
OH
: –1.25 V to +3.5 V into 50 Ω .
V
OL
: –1.50 V to +3.25 V into 50 Ω .
Rise/Fall Time (20 to 80%): Variable at
amplitude range from 2 V
p-p
to 5 V
p-p
.
Variable Range: 2.1 ns to 4.7 ns at
3.00 V
p-p
– depends on amplitude
setting.
Value in Fast: 0.25 V
p-p
to 1 V
p-p
; 500 ps.
1.7 ns at 3.00 V
p-p
.
Delay Function:
Delay channel: Ch 0 to Ch 7.
Delay time: –5 ns to 18 ns.
Delay resolution: 20 ps.
Clock –
Amplitude: ±5% of setting ±50 mV at 1 MHz
clock.
Rise/Fall Time (20 to 80%): Variable at
amplitude range is 2 V
p-p
to 5 V
p-p
.
Value in Fast: 0.25 V
p-p
to 1 V
p-p
; 500 ps.
1.7 ns at 3.00 V
p-p
.
Accuracy: ±10% of setting ±500 ps.
AUXILIARY INPUTS
Clock –
Frequency:
DG2040: 10 MHz ± 0.1 MHz
DG2030: DC to 409.6 MHz.
DG2020A: DC to 200 MHz.
Trigger – Front-panel BNC connector.
Level: –5.0 V to +5.0 V.
Resolution: 0.1 V.
Polarity: Positive or negative.
Hold Off:
DG2040: 100 ns minimum.
DG2030: 100 ns minimum.
DG2020A: 500 ns minimum.
Event (DG2040 & DG2030 only) – Rear-
panel BNC connector.
Threshold Level: –5.0 V to +5.0 V.
Resolution: 0.1 V.
Polarity: Positive edge.
Minimum Pulse Width: 100 ns.
Inhibit (DG2030 only) – Rear-panel BNC
connector.
Mode:
Off: Always enabled.
Internal: Controlled by Ch 0 signal.
External: Controlled by inhibit input
signal.
Both: Controlled by Ch 0 or inhibit input
signal.
Threshold Level: –5.0 V to +5.0 V into 1 k
Ω
.
Resolution: 0.1 V.
AUXILIARY OUTPUTS
SYNC –
DG2040: Rear-panel BNC connector.
DG2030: Rear-panel BNC connector.
DG2020A: Front-panel BNC connector.
Level:
V
OH
, 2.5 V into 50 Ω ; V
OL
, 0 V into 50 Ω .
EVENT –
DG2040: Rear-panel BNC connector.
DG2030: Rear-panel BNC connector.
DG2020A: Front-panel BNC connector.
Level:
DG2040: V
hi
, 2.5 V into 50
Ω
; V
lo
, 0 V
into 50
Ω
.
DG2030: V
oh
, 2.5 V into 50
Ω
; V
ol
, 0 V
into 50
Ω
.
DG2020A: Positive TTL pulse, 50 Ω .
CLOCK –
(DG2020A only)
Rear-panel SMB connector.
Level: 1 V (typical) into 50
Ω .
PROGRAMMABLE INTERFACE
GPIB: ANSI/IEEE488.2-1987.
RS-232C: 19.2 kbps, D-sub 9-Pin
connector.
page 2
DG2000 Series
Characteristics