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TELEDYNE JUDSON TECHNOLOGIESA Teledyne Technologies Company 1/2
TELEDYNE JUDSON TECHNOLOGIESA Teledyne Technologies Company
221 COMMERCE DRIVEMONTGOMERYVILLE, PA 18936-9641PHONE: 215-368-6901FAX: 215-362-6107www.teledynejudson.com
stinU5-APseireS 6-APseireS 7-APledoMPA-7-70 PA-7-60 PA-7-50 PA-6-60 PA-6-50 PA-5-50
Transimpedance High 107 106 105 106 105 105
deM:niaG 106 105 2.5x104 105 2.5x104 104 V/A(Switch Selected) Low 105 2.5x104 104 2.5x104 104 103
Bandwidth @ High Gain 8 60 150 60 150 200RD>10K� ,CD<0.2nF @ Med Gain 60 150 200 150 200 200 KHz(See Figs. 53-2, 53-3) @ Low Gain 150 200 200 200 200 200Input Offset Voltage (Vos) ±250 ±250 ±250 ±100 ±100 ±80 µVInput Bias Current (ib) ±0.001 ±0.001 ±0.001 ±12 ±12 ±30 nAVoltage Noise Density (en)@1KHz 12 12 12 4.5 4.5 1.1 nV Hz-1/2
Voltage Noise from 0.1 to 10Hz 1.5 1.5 1.5 .080 .080 .035 µVppCurrent Noise Density (in)@1KHz† .04 .13 .04 .5 .64 1 pA Hz-1/2
001 <ecnadepmI tuptuO �ppV01 ±egatloV tuptuO mumixaM
Am01 @ CDV21- dna V21+ stnemeriuqeR rewoPor +15V and -15VDC @ 10mA
Recommended for Detector Series: J16, J16TE1, J16TE2,J16D, J10D
J16, J12TE2,J12TE3
J12J12TE2
† At High Gain Setting
1 stSTAGEOUT
IN
+
-
HI
Vos
F2R
F3R
F1R
+
-
2 ndSTAGEOUT
inibenRD CD
PB 216April 2002
PA-5, PA-6 and PA-7PREAMPLIFIERSOperating Instructions
Equivalent Circuit for Transimpedance Preamplifiers
Teledyne Judson transimpedance preamplifiers are designed to get the best performance from Teledyne Judson Germanium, Indium Arsenide and Indium Antimonide detectors. Each amplifier has switch-selected variable gain as shown in the table below. Bandwidth depends on detector resistance and cap-acitance as shown on the attached graphs.CONNECTIONS:Input and output connectors are BNC feedthroughs.Power supply and ground connectionsare made through Lemo connector as shown on thereverse side of this sheet.
CONNECT DETECTOR BEFORETURNING ON POWER SUPPLY.CORRECT POWER SUPPLYPOLARITY MUST BE OBSERVED.REVERSAL MAY DAMAGEPREAMPLIFIER.
CAUTIONS:
Typical Specifications Model PA-5, PA-6 and PA-7 Current Mode Preamplifiers @ 25°C
TELEDYNE JUDSON TECHNOLOGIESA Teledyne Technologies Company 2/2
TELEDYNE JUDSON TECHNOLOGIESA Teledyne Technologies Company
221 COMMERCE DRIVEMONTGOMERYVILLE, PA 18936-9641PHONE: 215-368-6901FAX: 215-362-6107www.teledynejudson.com
Sys
tem
Ban
dwid
th 3
dB F
requ
ency
(Hz)
Detector Resistance (Ohm)
1K
10K
100K
1M103 V/A
102 103 104 105 10610
104 V/A 105 V/A
107 V/A
106 V/A
PA-5PA-6PA-7
10
10
10
10
10
10
-6
-7
-8
-9
-10
-11
10 10 10 10 10 10 102 3 4 5 6 7
Tota
l Dar
k C
urre
nt (A
mps
)
Detector Resistance R (Ohms)D
PA-5PA-6
PA-7
Preamp DC = I x Roffset D F
I + iD bVR
os
D
Sys
tem
Ban
dwid
th 3
dB F
requ
ency
(Hz)
Detector Capacitance CD (nf)
.01 .1 1 10 1001K
10K
100K
1M
Gain = 104 V/A
105 V/A
106 V/A
107 V/APA-5PA-6PA-7
10
8
6
4
2
0
Pre
amp
Noi
se F
igur
e (d
B)
Detector Resistance RD or Reactance (Ohms)10 102 103 104 105 106 107
PA-5
PA-6
PA-7
PA-9
PA-5, PA-6 and PA-7PREAMPLIFIERSOperating Instructions
Information in this document is believed to be reliable. However, no responsibility is assumed for possible inaccuracies oromission. Specifications are subject to change without notice.
System Bandwidth vs Detector ResistanceSystem Bandwidth vs Detector Capacitance
Preamplifier Noise Figure vs Detector Resistance DC Offset Output Voltage vs Source Resistance
PIN # DESCRIPTION 1 +12V or +15V2 N/C3 N/C4 -12V or -15V5 GND
Recommended