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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Philips BGD885, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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Unfortunately, only a few customers devote their time to read an instruction of Philips BGD885. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
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First and foremost, an user manual of Philips BGD885 should contain:
- informations concerning technical data of Philips BGD885
- name of the manufacturer and a year of construction of the Philips BGD885 item
- rules of operation, control and maintenance of the Philips BGD885 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Philips BGD885 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Philips BGD885, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Philips service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Philips BGD885.
Why one should read the manuals?
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After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
DA T A SH EET Product specification Supersedes data of 2001 Oct 25 2001 Nov 02 DISCRETE SEMICONDUCT ORS BGD885 860 MHz, 17 dB gain power doubler amplifier b ook, halfpage M3D248[...]
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Page 2
2001 Nov 02 2 Philips Semiconductors Product specification 860 MHz, 17 dB gain power doub ler amplifier BGD885 FEA TURES • Excellent linearity • Extremely low noise • Silicon nitride passivation • Rugged construction • Gold metallization ensures excellent reliability. DESCRIPTION Hybrid amplifier module for CATV/MATV systems operating o[...]
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Page 3
2001 Nov 02 3 Philips Semiconductors Product specification 860 MHz, 17 dB gain pow er doubler amplifier BGD885 CHARA CTERISTICS T able 1 Bandwidth 40 to 860 MHz; V B = 24 V ; T mb =3 5 ° C; Z S =Z L =7 5 Ω Notes 1. Decrease per octave of 1.5 dB. 2. V p = 59 dBmV at f p = 349.25 MHz; V q = 59 dBmV at f q = 403.25 MHz; measured at f p +f q = 752[...]
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Page 4
2001 Nov 02 4 Philips Semiconductors Product specification 860 MHz, 17 dB gain pow er doubler amplifier BGD885 Fig.2 Test circuit. 1 23 45 67 89 BGD885 input C2 output V B = 24 V MEA094-2 10 V C1 List of components (see Fig.2) COMPONENT DESCRIPTION V ALUE C1 ceramic multila yer capacitor 1 nF (max.) C2 ceramic multila yer capacitor 1 nF R resisto[...]
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Page 5
2001 Nov 02 5 Philips Semiconductors Product specification 860 MHz, 17 dB gain pow er doubler amplifier BGD885 P ACKA GE OUTLINE UNIT A 2 max. c ee 1 q Q max. q 1 U 1 max. U 2 W REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm 20.8 9.1 0.51 0.38 0.25 27.2 2.54 13.75 2.54 5.08 12.7 8.8 4.15 3.85 2.4 38.1 25.4 q 2 10.2 4.[...]
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Page 6
2001 Nov 02 6 Philips Semiconductors Product specification 860 MHz, 17 dB gain pow er doubler amplifier BGD885 D A T A SHEET ST A TUS Notes 1. Please consult the most recently issued data sheet before initiating or completing a design. 2. The product status of the device(s) described in this data sheet may have changed since this data sheet was p[...]
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Page 7
2001 Nov 02 7 Philips Semiconductors Product specification 860 MHz, 17 dB gain pow er doubler amplifier BGD885 NOTES[...]
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Page 8
© Koninklijke Philips Electronics N.V. 2001 SCA73 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No[...]