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LFOUT2037

Linear Fan-out
Linear Fanout Model 2037 is a high-performance, economical, linear fan-out unit suitable for use with either logic or photomultiplier pulses. It offers two independent wide bandwidth channels, each having unity gain and each having one input and four isolated identical outputs.

Features:

  • Dual in Quad Linear
  • Fan-Out Linear or Logic input Integral, normal, and window modes
  • Separate lower-level and upper-level discriminator outputs DC-coupled
  • Fully Bipolar Operation to ±1.65 Volts DC offset adjustable

Description:

The LFOUT Model 2037 is a high-performance, economical, linear fan-out unit suitable for use with either logic or photomultiplier pulses. It offers two independent wide bandwidth channels, each having unity gain and each having one input and four isolated identical outputs. These two channels may be combined at their inputs with T BNC-type connector to provide a single 8-output channel. The Model 2037 utilizes a direct-coupled, feedback-stabilized circuit design that provides excellent linearity, long-term stability, and uniformity of gain and pulse shape at all outputs. The speed of the unit is adequate for most common photomultiplier pulses and logic signals, and there are no duty cycle restrictions or rate effects.
Both input and output DC levels are at ground potential for easy interconnection with other direct-coupled circuits. Fully dc coupled.
The LFOUT Model 2037 is packaged in an AEC/NIM (Report TID-20893), RF- shielded, #1 width module and utilizes BNC-type connectors.

Electrical and Mechanical Power Required:

  • Typical Power Requirements
    • Power Required +6V, 110mA; –6V, 110mA; +24 V, 90mA; –24 V, 50mA.
  • Physical
    • Weight: Net 1.1 kg (2.5 lb) & Shipping 2.25 kg (5.0 lb)
    • Dimensions NIM-standard single-width module 3.43 X 22.13 cm (1.35 X 8.714 in.) per DOE/ER-0457T

Typical Application for LFOUT:

  • Fan-out detector signals to simultaneously drive discriminators Converters
  • Transient recorders or other signal conditioning Data acquisition instruments systems
Inputs:
  • General: One BNC input connector per channel; bipolar input, accepts positive or negative voltages.
  • Impedance: 50W ± 2% direct coupled input.
  • Overdrive Response: Recovery time of 20nSec for a ±10 Volt input.
  • Maximum Amplitude: -1.6 volts into 50W; -3 volts into open circuit. Positive
Outputs:
  • Outputs of1-2 and 3-4: 4 direct-coupled. 50W output impedance
Controls:
  • OFF ADJ: Dc offset adjust in ±100mV
Catalog
File Format Linear-Fanout-Model-LFOUT2037.pdf en 2/27/2016 12:04:26 PM
Mechanical
File Format NIM-MODULE-Mechanical.pdf en 7/28/2016 11:08:56 AM
  • Dynamic Range 200:1.
  • Gain fixed gain of 1.0 ±5%, non-inverting.
  • Rise Time: Typically 5nSec, for a 1 Volt output excursion.
  • Insertion Delay: Typically 10nSec.
  • Inputs: ±1.65

Dimensions:


NIM standard module connector pin assignments (required by DOE/ER-0457T):


Pin# Function Pin# Function Image
1 Reserved [+3 V] 2 Reserved [−3 V]  
3 Spare bus 4 Reserved bus 
5 Coaxial 6  Coaxial
7 Coaxial 8 200 V DC 
9 Spare 10 +6 V 
11  −6 V 12  Reserved bus
13  Spare 14  Spare
15 Reserved  16  +12 V
17 −12 V  18 Spare bus 
19  Reserved bus 20  Spare
21 Spare  22 Reserved 
23 Reserved  24  Reserved
25  Reserved 26  Spare
27  Spare 28  +24 V
29  −24 V 30 Spare bus 
31  Spare 32 Spare 
33  117 V AC (hot) 34  Power return Gnd
35  Reset (scaler) 36 Gate 
37  Reset (aux) 38 Coaxial 
39 Coaxial  40  Coaxial
41 117 V AC (neutral)  42 High-quality Gnd 
G  Gnd guide pin