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$ F! o! X% P7 V7 Z) E& @客户要求如下,如果哪家工厂可以做,请和我联系
/ x5 h5 w; Q' M+ O5 L2 K! n> The application that we have in mind is similar to others that we commonly
" ]% [% a. l0 I/ ?) o r> have. If we were to pay for FCC approval, we would want to use the modem
# k8 ~& f f7 H- k m: b, T$ ^> units in all similar applications under the same approval number. 6 M+ N0 w/ V0 r
> Therefore, we would like to be able to configure the units to a specific
/ ]+ i0 L& D* i: t2 B: [2 H> application. For the business that we do, this approach will yield more 2 l4 ]6 @" A0 ~: B o2 l
> sales based on the same product and approval. We are interested in the ! H+ _9 p! M2 u3 o. O% N3 Q$ w i A
> following specifications:
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: @4 V. ^: o% X% u> - 2 inputs at the Transmitter with three possibilities;
4 Q& h4 D. o* B* M> 2 analog ( u/ B6 C, Y; T6 o( ?
> 2 digital
S! L& v4 }3 c N7 r> 1 analog and 1 digital
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2 n y. Q# i6 H- H7 w+ n> - 2 outputs at the Receiver with three possibilities to match inputs
# b6 h0 A: c+ B- ~2 ?* w! R. Q; C! c>
% c) z! b+ Y; g$ b# X> - Ability to configure/define analog Transmitter input ranges through
$ P |' O3 y' W$ a5 g> simple programming method to correspond with full-range analog Receiver ) h' y2 `8 Q% d8 E K
> outputs (0 - full voltage).
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> - Ability to configure and set sample rates for the inputs. * U# v' d( B/ f7 C7 u
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> - Digital output on Transmitter that turns on during the sampling period.
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> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 J8 Z" J T- R> both software control and input hardware control. - D- A& x8 o2 F- b, I
>
; I3 X& N+ N" i" [2 ]3 i# S5 S> In order to configure the units, we would need a way to make the ]6 V) ?0 l9 [( h
> settings. This would preferably be from a computer terminal so that
% J. I& c& { t4 w% o> configurations can be saved or easily duplicated for production volumes. # u! p. ^! b" e! D3 L4 ^- q
> The units should be small and compact with shielding, and able to mount + s$ L; Z) _6 H& [5 m: B
> to a printed circuit board with header connector.
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3 h9 @+ ?7 v# U# g2 ?/ j/ ]' N# f. g> At this time, we are interested in samples of a pair of modems that
% Q5 P# R P, ?% v> might be similar to this proposed system. We do not expect that you " w* l# k) `; c, n* Y( p
> provide all of these specifications at this time. I can describe our
" o& `( q+ ~. O1 j- z* r> immediate application needs in the next email if this project is of : {0 S4 r9 A6 m
> interest to you. Perhaps you can make the samples by those 7 k, C" A0 g. u5 Z1 R; ~
> specifications. This will allow us to test your radios before we move
$ J1 o+ f; A* k> forward. We are interested in your 900MHz radio to start.
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