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INTRODUCTION
Fast, easy breadboarding of circuits using the PA241DW and the PA15 are possible with the EK42 PC board. Mounting holes are provided and the provision for standard banana jacks simplifies connection and testing. The amplifier may be mounted horizontally or vertically. Components are labeled on both sides of the board for ease in probing. A multitude of circuit configurations are possible, so only several component locations have specific functions and will usually always be necessary: C5,C7 Power supply bypasses MUST be used. Usually ceramic types of 0.01 to 0.1F. R1 Feedback resistor. R2 Input resistor. R9, C11 Compensation (see amplifier data sheet). R5 Current limit (see amplifier data sheet). R7 Most often used as input bias current return for +input in non-inverting circuits. R3, C6 Noise gain compensation. Necessary only occasionally, see Application Notes 19 and 25. The following locations should be jumpered unless used (their most common anticipated function is listed). R4, R8 Input protection. R11 General purpose. R6 Output current sense. The function of any other components is up to the designer's needs and imagination.
EQUIVALENT SCHEMATIC



CAUTION
High voltages will be present. Use caution in handling and probing when power is applied.














NOTE: Illustration only, not to exact scale.
This data sheet has been carefully checked and is believed to be reliable, however, no responsibility is assumed for possible ORDERS or omissions. All specifications prodlit@apexmicrotech.com APEX MICROTECHNOLOGY CORPORATION * TELEPHONE (520) 690-8600 * FAX (520) 888-3329 * inaccuracies(520) 690-8601 * EMAILare subject to change without notice. EK42U REV C NOVEMBER 2004 (c) 2004 Apex Microtechnology Corp.
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Price & Availability of EK42
Newark

Part # Manufacturer Description Price BuyNow  Qty.
EK425PLXD22
50AK1038		 Greenlee Textron Inc Crimper Pstl, 6T Li, Std, Cjd3, 230V |Greenlee EK425PLXD22 1: USD3419.9
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EK425PLXDBG11
50AK1029		 Greenlee Textron Inc Crimper Pstl, 6T Li, Std, Cjd3Bg,120V |Greenlee EK425PLXDBG11 1: USD3419.9
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A50EK4220AA60K
85AC4839		 KEMET Corporation 2,2 Uf0 Vdcv |Kemet A50EK4220AA60K 2500: USD2.19
1000: USD2.36
500: USD2.67
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0
A50EK42202660K
85AC4841		 KEMET Corporation 2,2 Uf0 Vdcv |Kemet A50EK42202660K 20000: USD3.79
12000: USD3.85
8000: USD3.99
4000: USD4.29
2000: USD4.61
1: USD4.84
 BuyNow
0
A50EK4220FK60K
85AC4840		 KEMET Corporation 2,2 Uf0 Vdcv |Kemet A50EK4220FK60K 20000: USD3.79
12000: USD3.85
8000: USD4
4000: USD4.29
2000: USD4.62
1: USD4.85
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DigiKey

Part # Manufacturer Description Price BuyNow  Qty.
EK42441-04
1046-1107-ND		 pSemi KIT EVALUATION FOR PE42441 1: USD95
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EK42020-02
1046-1125-ND		 pSemi EVALUATION BOARD 1: USD195
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EK42426-01
1046-1162-ND		 pSemi EVAL BOARD FOR PE42426 1: USD95
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EK42822-01
1046-1142-ND		 pSemi KIT EVALUATION 1: USD95
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2
EK4259-01
1046-1006-ND		 pSemi KIT EVAL FOR PE4259 RF SWITCH 1: USD95
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Avnet Americas

Part # Manufacturer Description Price BuyNow  Qty.
280-087S3H44MEK-429B
280-087S3H44MEK-42		 Glenair Inc - Bulk (Alt: 280-087S3H44MEK-42) RFQ
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ZREK-42C28-18S
ZREK-42C28-18S		 Amphenol Corporation Star-Line Series Circular Connector Receptacle 6 Position Socket Contact Cable Mount - Bulk (Alt: ZREK-42C28-18S) RFQ
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ZPEK-42C28-21P
ZPEK-42C28-21P		 Amphenol Corporation Star-Line Series Circular Connector Plug 8 Position Pin Contact Cable Mount - Bulk (Alt: ZPEK-42C28-21P) RFQ
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ZREK-42C28-15S
ZREK-42C28-15S		 Amphenol Corporation Star-Line Series Circular Connector Receptacle 47 Position Socket Contact Cable Mount - Bulk (Alt: ZREK-42C28-15S) RFQ
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ZPEK-42C28-23P
ZPEK-42C28-23P		 Amphenol Corporation Star-Line Series Circular Connector Plug 5 Position Pin Contact Cable Mount - Bulk (Alt: ZPEK-42C28-23P) RFQ
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Mouser Electronics

Part # Manufacturer Description Price BuyNow  Qty.
EK42
137-EK42		 Apex Microtechnology Inc Development Boards & Kits - Other Processors Evaluation Kit, PA15FL, PA341DW, PA441DW (PA241DW) 1: USD36.32
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0
EK4239-01
81-EK4239-01		 pSemi RF Development Tools Evaluation Board 1: USD95
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EK4245-01
81-EK4245-01		 pSemi RF Development Tools Evaluation Board 1: USD95
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EK42540-08
81-EK42540-08		 pSemi RF Development Tools Evaluation Board 1: USD150
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EK42851-04
81-EK42851-04		 pSemi RF Development Tools Evaluation Board 1: USD250
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RS

Part # Manufacturer Description Price BuyNow  Qty.
EK4236S
71795318		 Intermatic PHOTOCONTROL, ELEC, SIDE LENS | Intermatic EK4236S 1: USD37.05
5: USD35.95
10: USD34.09
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EK425LXD22
71351917		 Greenlee Textron Inc CRIMPER, 6T LI, STD, CJD3, 230V | Greenlee EK425LXD22 1: USD2937.77
 RFQ
0
EK425VXD12 (ALTERNATE: 52086672)
73899836		 Greenlee Textron Inc Crimper, 6T V, Cjd3, 12V | Greenlee EK425VXD12 1: USD4973.43
 RFQ
0
EK425VXDO12 (ALTERNATE: 52086640)
73899824		 Greenlee Textron Inc Crimper, 6T V, Cjd3O, 12V | Greenlee EK425VXDO12 1: USD4973.43
 RFQ
0
EK425VXDO22 (ALTERNATE: 52086661)
73899825		 Greenlee Textron Inc Crimper, 6T V, Cjd3O, 230V | Greenlee EK425VXDO22 1: USD4973.43
 RFQ
0

Heilind Electronics

Part # Manufacturer Description Price BuyNow  Qty.
EK4253-000
RYCTMS-SCE-2X-1K-1/8-S3-9		 TE Connectivity Cross Referenced to TE CNTY RAYCHEM - Part: RYCTMS-SCE-2X-1K-1/8-S3-9 BuyNow
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EK4289-000
RYCEK4289-000		 TE Connectivity 55A2122-22-MBD2-9CS2275 BuyNow
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Onlinecomponents.com

Part # Manufacturer Description Price BuyNow  Qty.
EK425LX22CJCUAL
 Greenlee Textron Inc 10: USD2469.47
5: USD2606.66
1: USD2743.85
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0
EK425LX11CJCUAL
 Greenlee Textron Inc 10: USD2469.47
5: USD2606.66
1: USD2743.85
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0
EK425LXBCJCUAL
 Greenlee Textron Inc 10: USD2222.51
5: USD2345.98
1: USD2469.45
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0
EK425LX12CJCUAL
 Greenlee Textron Inc 10: USD2469.47
5: USD2606.66
1: USD2743.85
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0
EK4253-000
 TE Connectivity 15000: USD0.4004
8000: USD0.4471
5000: USD0.4664
3000: USD0.6264
1000: USD0.6748
500: USD0.6969
250: USD0.7075
25: USD0.8759
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0

Bristol Electronics

Part # Manufacturer Description Price BuyNow  Qty.
EK423422-01
 pSemi RFQ
1

TTI

Part # Manufacturer Description Price BuyNow  Qty.
280-087S3H44MEK-429B
280-087S3H44MEK-429B		 Glenair Inc D-Sub High Density Connectors COMMERCIAL BuyNow
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TME

Part # Manufacturer Description Price BuyNow  Qty.
BE7223PEK/42
BE7223PEK/42		 Beta Electric Shoes; Size: 42; chamois; 7223PEK 3: USD38.43
1: USD41.38
 RFQ
0

Interstate Connecting Components

Part # Manufacturer Description Price BuyNow  Qty.
280-019S5H78MEK-429C
GLE280-019S5H78MEK-429C		 Glenair Inc HIPER-D CONNECTOR CRIMP TERMINATION BuyNow
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280-087S3H44MEK-429B
GLE280-087S3H44MEK-429B		 Glenair Inc HIPER-D ADD $500 FOR NASA SCREENING BuyNow
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280-019S1H15MEK-429C
GLE280-019S1H15MEK-429C		 Glenair Inc HIPER-D CONNECTOR CRIMP TERMINATION BuyNow
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280-019S1S9MEK-429C
GLE280-019S1S9MEK-429C		 Glenair Inc HIPER-D CONNECTOR CRIMP TERMINATION BuyNow
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280-019S4S37MEK-429C
GLE280-019S4S37MEK-429C		 Glenair Inc HIPER-D CONNECTOR CRIMP TERMINATION BuyNow
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Richardson RFPD

Part # Manufacturer Description Price BuyNow  Qty.
EK42443-01
PE42443EK		 QP Semiconductor SWITCH EVALUATION BOARD 1: USD400
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0
EK423211-01
PE423211EK		 QP Semiconductor SWITCH EVALUATION BOARD RFQ
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EK42542-03
PE42542EK		 QP Semiconductor SWITCH EVALUATION BOARD 1: USD540
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EK42823-01
PE42823EK		 QP Semiconductor SWITCH EVALUATION BOARD 1: USD95
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EK42520-03
PE42520EK		 QP Semiconductor SWITCH EVALUATION BOARD 1: USD95
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2

Sager

Part # Manufacturer Description Price BuyNow  Qty.
EK4253-000
000000000005739813		 TE Connectivity Heat Shrink Tubing & Sleeves TMS-SCE-2X-1K-1/8-S3-9 1000: USD0.6939
2000: USD0.6746
6000: USD0.4822
16000: USD0.4205
41000: USD0.3238
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0

Avnet Abacus

Part # Manufacturer Description Price BuyNow  Qty.
A50EK4220AA60K
A50EK4220AA60K		 KEMET Corporation Film Capacitor, 2.2 uF, 63 V, 100 V, � 10%, Metallized PET, Axial Leaded (Alt: A50EK4220AA60K) BuyNow
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A50EK42202660K
A50EK42202660K		 KEMET Corporation Film Capacitor, 2.2 uF, 63 V, 100 V, � 10%, Metallized PET, Axial Leaded - Tape and Reel (Alt: A50EK42202660K) BuyNow
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A50EK4220AA60J
A50EK4220AA60J		 KEMET Corporation Film Capacitor, 2.2 uF, 63 V, 100 V, � 5%, Metallized PET, Axial Leaded (Alt: A50EK4220AA60J) BuyNow
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Master Electronics

Part # Manufacturer Description Price BuyNow  Qty.
EK4253-000
 TE Connectivity 15000: USD0.4004
8000: USD0.4471
5000: USD0.4664
3000: USD0.6264
1000: USD0.6748
500: USD0.6969
250: USD0.7075
25: USD0.8759
 BuyNow
0
EK4289-000
 TE Connectivity 55A2122-22-MBD2-9CS2275 2000: USD8.01
1500: USD8.18
1000: USD12.01
500: USD23.52
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Relay Specialties

Part # Manufacturer Description Price BuyNow  Qty.
EK4235S
EK4235S		 Intermatic NightFox™ Stem and Swivel Moun 1: USD45.4
5: USD42.56
10: USD40.06
25: USD38.91
 RFQ
0
EK4236S
EK4236S		 Intermatic Electronic Photo Control - Sid 1: USD29.67
5: USD27.81
10: USD26.18
25: USD25.43
 RFQ
0
EK4227S
EK4227S		 Intermatic NightFox™ Stem and Swivel Moun 1: USD39.38
5: USD36.92
10: USD34.75
25: USD33.76
 RFQ
0

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