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客户要求如下,如果哪家工厂可以做,请和我联系 * i; v; q6 G3 f+ m3 ^6 ]
> The application that we have in mind is similar to others that we commonly . r+ n; ?4 E7 Q$ e2 h' E5 D
> have. If we were to pay for FCC approval, we would want to use the modem
! h3 `/ ?2 o* ^! |' F. R3 a! ?% S> units in all similar applications under the same approval number. 0 {' o# G% @, O/ v6 ]
> Therefore, we would like to be able to configure the units to a specific
- ?/ ?% i U3 B9 j9 z> application. For the business that we do, this approach will yield more 7 I' d7 t* ?7 O( q* Z9 o) o
> sales based on the same product and approval. We are interested in the
- \ W$ z5 Y" T# @& A ]; n> following specifications:
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2 F* T5 i# e0 ]2 a> - 2 inputs at the Transmitter with three possibilities;
) x, u' r, @3 f, Z9 f1 T# F> 2 analog 7 ?; M6 l) a( e+ ]& X3 S ~
> 2 digital / Q9 N; O& m, h+ c- ~! c3 C
> 1 analog and 1 digital
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7 { u' q( b, e> - 2 outputs at the Receiver with three possibilities to match inputs
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5 @ `* A1 l& z, _* K1 C> - Ability to configure/define analog Transmitter input ranges through
3 ^7 I& A6 z8 b* ^% c9 I/ h" p0 B: i> simple programming method to correspond with full-range analog Receiver - S4 E4 y% }; A. Q# j
> outputs (0 - full voltage).
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> - Ability to configure and set sample rates for the inputs.
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9 r* r* d( E% X/ ]> - Digital output on Transmitter that turns on during the sampling period. ) M. N4 N0 J7 ?) d
>
2 W! o0 A( W" u% b. K* o# f> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 M& y$ `0 S- O; [$ D> both software control and input hardware control.
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- z5 h0 W2 X$ G l7 K+ c! _> In order to configure the units, we would need a way to make the * R. N# V. A, N8 G7 @
> settings. This would preferably be from a computer terminal so that % S; g2 m+ v4 J' f+ t' z l6 D7 Y
> configurations can be saved or easily duplicated for production volumes.
0 h! }) n4 I7 M5 {) Q/ Z E> The units should be small and compact with shielding, and able to mount & A8 x1 N" M) v- ^; Q1 G
> to a printed circuit board with header connector.
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7 A& F1 e) n# j3 n* S4 j> At this time, we are interested in samples of a pair of modems that
4 P- n9 n7 Z1 S> might be similar to this proposed system. We do not expect that you 7 M. H/ [- z$ ?: Q( Z1 @
> provide all of these specifications at this time. I can describe our 1 B( j: R) t; _2 k# N1 S/ Y$ u# ?
> immediate application needs in the next email if this project is of
! G0 e, [- E3 U Q$ _3 k& c> interest to you. Perhaps you can make the samples by those
% C# c4 `3 D5 f5 m> specifications. This will allow us to test your radios before we move " x5 m( {' k1 B3 F- @
> forward. We are interested in your 900MHz radio to start. ' [$ y1 N$ a) ^ T
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