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% r' ?& ^" b) f客户要求如下，如果哪家工厂可以做，请和我联系
" S% z/ R1 X) v& _/ V> The application that we have in mind is similar to others that we commonly
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> have. If we were to pay for FCC approval, we would want to use the modem
$ [5 d& o$ |" y3 ?$ m) B ]> units in all similar applications under the same approval number.
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> Therefore, we would like to be able to configure the units to a specific
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> application. For the business that we do, this approach will yield more
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> sales based on the same product and approval. We are interested in the
; ]% F3 K% s/ m3 W6 x. _/ |) ~3 R> following specifications:
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>
4 Q+ u8 r2 g2 L m2 S, [> - 2 inputs at the Transmitter with three possibilities;
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> 2 analog
5 S9 }3 F. j9 @/ ?& ~/ D/ V2 i7 i> 2 digital
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> 1 analog and 1 digital
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( J8 n" F- B! T _+ x* n> - 2 outputs at the Receiver with three possibilities to match inputs
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/ G0 }" `9 \5 m2 S) n9 r9 ^; V> - Ability to configure/define analog Transmitter input ranges through
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> simple programming method to correspond with full-range analog Receiver
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> outputs (0 - full voltage).
5 L, z4 U+ p4 N" E3 A: e>
$ L* v- [. }: p& M9 ^+ G1 l" V> - Ability to configure and set sample rates for the inputs.
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>
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> - Digital output on Transmitter that turns on during the sampling period.
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>
' y1 ~/ s0 I6 S+ V; {& g> - Ability to configure a power saving Sleep Mode in the Transmitter by
" U, v. k0 m! W' N: G6 Z- d" e> both software control and input hardware control.
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>
7 c) f6 M8 N3 z; Y> In order to configure the units, we would need a way to make the
8 X. ]: M4 F9 n> settings. This would preferably be from a computer terminal so that
, l7 Q4 c. [2 \2 T> configurations can be saved or easily duplicated for production volumes.
7 J7 J2 P1 Y# c R- D7 o> The units should be small and compact with shielding, and able to mount
4 l0 g0 s X, v- @2 {6 G; Z> to a printed circuit board with header connector.
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; U/ I# n9 [/ k% g) ]> At this time, we are interested in samples of a pair of modems that
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> might be similar to this proposed system. We do not expect that you
3 |; x: ~# j) k: L. [& [> provide all of these specifications at this time. I can describe our
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> immediate application needs in the next email if this project is of
* U2 U4 J5 t4 E+ g> interest to you. Perhaps you can make the samples by those
$ U. h( u: ?2 q$ M> specifications. This will allow us to test your radios before we move
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> forward. We are interested in your 900MHz radio to start.
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发表于 2007-5-27 20:29:37
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