The A150 is a high performance hybrid pulse amplitude discriminator developed for use in precision pulse spectroscopy.

Its low power dissipation (17 mW) and high speed (> 4 MHz) make it ideal for space flight use. The A150 is packaged in a standard 14 Pin hybrid DIP.

Features

a150

Specifications

Electrial Characteristics

Vs = +,- 6 V, VDD = +10 V, TA = +25 oC

PARAMETER SYMBOL MIN TYP MAX UNITS
Output Pulse Width-Positive TWP 160 195 210 ns
Output Pulse Width-Negative TWN 150 185 200 ns
Output Pulse Delay-Positive TDP 70 120 ns
Output Pulse Delay-Negative TDN 60 80 ns
Input Threshold Offset VOS ±1 ±5 mV
Supply Voltage VS ±4.5 ±6 ±8 V
Supply Current IS ±1.3 ±1.5 ±1.7 mA
CMOS Supply VDD +4 +10 +18 V
Power Consumption PD 17 mW
Input Offset Drift TCVos -30 ±10 µV/oC
Minimum Pulse Detected VTmin 15 mV

WEIGHT: 3.8 g

Absolute Maximum Ratings

Supply Voltage Vs ±8 V
CMOS Supply VDD +18 V
Input Voltage ±Vs
Operating Temperature Range -55 oC to +110 oC
Storage Temperature Range -65 oC to +110 oC
Lead Temperature Range (Soldering, 10 s) 300 oC

A150 CONNECTION DIAGRAM

a150 connection diagram

PIN FUNCTION
1 Non-Inverting Input
2 Inverting Input
3 Bias Adjust
(resistance to Pin 4 reduces operating current)
4 -Vs Direct
5 -Vs through 50 ohms
6 Case and Ground
7 Pulse Width Adjust
(must be connected to Pin 12 either directly for minimum pulse width, or through a resistor)
8 Output (positive)
9 Output (negative)
10 +Vs through 50 ohms
11 +Vs Direct
12 VDD bias for output CMOS one-shot
13 No connection
14 No connection

A150 OUTPUT WAVEFORMS

a150 output
Horizontal Scale: 100 ns/div
Vertical Scale: 5 V/div
Upper Trace: Input Pulse
Middle Trace: Outputs at VDD= +10 V
Lower Trace: Outputs at VDD= +5 V
a150 output 2
Horizontal Scale: 100 ns/div
Vertical Scale: 10 V/div
Upper Trace: Input Pulse at 5 MHz
Middle Trace: Pin 9 Output at VDD= +10 V
Lower Trace: Pin 8 Output at VDD= +10V

Typical Performance

Figure A

150 pulse width vs resistance

 

Figure B

a150 power vs resistance

Applications

A COMPLETE STATE OF THE ART PULSE PROCESSING SYSTEM

complete pulse processing system

LOW LEVEL DISCRIMINATOR WITH VOLTAGE CONTROLLED THRESHOLD

a150 discriminator

A TWO DETECTOR TELESCOPE SYSTEM

2dettel

Mechanicals

A150 Mechanical Diagram

14 pin dip