Directed Electronics PDG-2515/2520 - Manual (Page 30)

PDG-2515/2520 Operating Manual
Page 23
MNPDG2515-2520R0.doc
© 2004 Directed Energy, Inc.
Specifications
PARAMETER Value
OUTPUTS
Output Channels
Four (4) outputs, each with independent digitally controlled delay
and pulse width
Delay Range 0 to 99.9 Seconds
Pulse Width Range 25 Nanoseconds to 99.9 Seconds
Delay And Pulse Width Resolution 25 Nanoseconds below 1 Microsecond
50 Nanoseconds from 1 Microsecond to 10 Microseconds
3 Digits Above 10 Microseconds
Accuracy (Delay and Pulse Width) ±2%
Time Base 120MHz Frequency Synthesizer
Delay Jitter (1
st
Sigma) TBD
Trigger Delay (External Trigger to SYNC (T
0
)
Output
TBD
Internal Throughput Delay (SYNC (T
0
) To Output 1
Or Output 2 Rising Edge)
<25 Nanoseconds
Output Rise & Fall Times (Into 50
Ω) <5 Nanoseconds
Over/undershoot <5%
Amplitude
+4V into 50W
Output Connectors BNC, Front Panel
INTERNAL RATE GENERATOR
Modes
Continuous, Single-Shot, Burst, External Trigger, Divide By N,
Pulse Count
Rate Single-Shot or 100 millihertz to 3MHz (Internal)
Single-Shot to 5MHz (External Trigger)
Resolution 3 Digits (<1MHz), 2 Digits (>1MHz)
Accuracy (Continuous, Pulse Count, Output-2
Modes) 25 PPM
Accuracy (Burst Mode) ±2%
Rate Jitter (Continuous, Pulse Count, Output-2
Modes), 1
st
Sigma
TBD
Rate Jitter (Burst Mode), 1
st
Sigma TBD
Burst and Pulse Count Mode 1 to 65,535 Pulses per Burst or Count
EXTERNAL TRIGGER INPUT
Type Positive
Edge Trigger
Input Amplitude TTL into 1K
Ω
Input Impedance 1K
Ω
Minimum Trigger Pulse Width 25ns
Input Trigger Connector BNC, Front Panel
T
0
(SYNC) OUTPUT
T
0
(Sync) Output TTL output into 1 Meg
Ω, 4.5V into 50Ω
Connector BNC, Front Panel
COMPUTER INTERFACE
Interface Type
RS232 or GPIB
Interface Connector DB9 or GPIB connector
GENERAL
Internal Non-Volatile Storage
5 Configurations
Operating Temperature Range 0°C to +40°C
Cooling Requirements Air cooled
Input AC Power 90-264VAC, 47-63Hz, 28W Maximum
Dimensions (H X W X D) 3 ½” H x 8” W x 6 1/4” D (8.9cm H x 20.3cm W x 15.9cm D)
Weight 2 lbs. (.9kg) Approximate