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| INTRODUCTION Fast, easy breadboarding of circuits using the PA60EU are possible with the PB80 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 be necessary: C5,C8 Power supply bypasses MUST be used. Usually ceramic types of 0.01 to 1.0F. C2, C9 Power supply bypass. Suggest 10F per ampere of output current. R1 Feedback resistor. R3 Input resistor. R8, C10 Snubber network. R4, C7 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). R2, R10 Input protection. CR1 VBOOST. R5, R6, R9 Output current sense. The function of any other components is up to the designer's needs and imagination. PA60EU CONSIDERATIONS: When using the EK26 for the PA60EU the following components on the schematic below must be left either shorted or open: Short: R109, R209 Open: CR101, C106, CR201, C206 EQUIVALENT SCHEMATIC GND C103 -IN 1 C104 R101 C101 C102 C105 2 R104 R107 R111 C107 R102 R110 C108 C109 GND R201 C201 CR201 -IN 2 R203 R204 R207 R211 C207 R202 R210 11 VCC +V CR101 7 VCC VEE R103 C106 CR102 35 4 R109 R108 C110 CR103 -V R105 R106 OUT 1 GND 1 6 +IN 1 C111 C112 C203 C204 C206 CR202 10 9 R209 R208 C210 CR203 8 R205 R206 OUT2 GND 12 VEE +IN 2 C211 C212 APEX MICROTECHNOLOGY CORPORATION * TELEPHONE (520) 690-8600 * FAX (520) 888-3329 * ORDERS (520) 690-8601 * EMAIL prodlit@apexmicrotech.com 1 EK26 7" 1 R210 +IN2 C211 R204 CR201 CR101 R110 C111 R104 EVALUATION KIT FOR PA60EU PIN-OUT C207 C102 C109 C107 C112 C212 R107 R111 R207 R211 +IN1 GND2 C203 R203 C204 R202 R201 C201 R205 C206 C106 R106 R208 C210 R209 R108 C110 R109 CR202 C105 CR102 C108 CR103 CR203 R102 R101 C101 R105 R103 C103 C104 GND1 -IN2 -IN1 5" OUT2 R206 OUT1 MICROTECHNOLOGY PB80 REV-B CIRCUIT SIDE GND +V -V EK26 C112 C212 1 R107 R111 R110 CR101 R109 CR201 R102 R210 +IN1 C111 R104 C107 C207 R204 C211 R207 +IN2 GND2 -IN2 OUT2 GND1 C103 R103 C104 R101 C101 C105 R102 CR103 C108 CR203 C105 R202 CR102 CR202 R201 C201 R205 C203 R203 C204 -IN1 OUT1 R106 C106 R108 C110 R109 C210 C206 R208 R209 R206 MICROTECHNOLOGY EK26 NOTE: Illustration only, not to scale. This data sheet has been carefully checked and is believed to be reliable, SHANNON ROAD * is assumed ARIZONA 85741 * USA * APPLICATIONS are subject 1 (800) 546-2739 APEX MICROTECHNOLOGY CORPORATION * 5980 NORTH however, no responsibility TUCSON, for possible inaccuracies or omissions. All specificationsHOTLINE: to change without notice. 2 EK26U REV E 2004 (c) 2004 Apex Microtechnology Corp. +V -V COMP. SIDE GND PB80 REV-C R211 |
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