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客户要求如下,如果哪家工厂可以做,请和我联系 $ g' c6 U! B0 k6 y& v0 q5 A
> The application that we have in mind is similar to others that we commonly 1 m" m$ O) \, E2 t: f" F A
> have. If we were to pay for FCC approval, we would want to use the modem * k) o) P8 M4 N7 x/ d3 q
> units in all similar applications under the same approval number. 1 n' @! k; s/ c& h. P
> Therefore, we would like to be able to configure the units to a specific 0 x9 Q% S4 Z/ y# Z X y$ z
> application. For the business that we do, this approach will yield more . X1 Q1 N I( E
> sales based on the same product and approval. We are interested in the , I& m& g" v" q7 }0 P
> following specifications:
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, W: k1 W: m0 h: h> - 2 inputs at the Transmitter with three possibilities;
) h; p% {9 Q/ P3 K/ C* a* f. E> 2 analog 2 W& z2 s7 A! \4 j1 n% _
> 2 digital 0 }& ~4 p( f& F4 |
> 1 analog and 1 digital
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B' y& I" q( t, O& L/ y, U( y, E% t> - 2 outputs at the Receiver with three possibilities to match inputs
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> - Ability to configure/define analog Transmitter input ranges through
& v# E) D$ ^/ e& c) p> simple programming method to correspond with full-range analog Receiver
" b0 }3 ?& Z3 M% h3 J> outputs (0 - full voltage). e* r( J) ]9 T: K) t& K# q
>
: h( c1 J' j8 R3 y+ `> - Ability to configure and set sample rates for the inputs. 6 ?) o+ X+ N% j9 T* ~
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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
; z \( W" F/ v+ [* m* X! ?+ V> both software control and input hardware control. / P6 ?! |# S' z6 e! D7 b5 w
>
- |& Z9 q$ [6 C; w/ r> In order to configure the units, we would need a way to make the
% b' x9 m1 F2 a8 ^> settings. This would preferably be from a computer terminal so that
4 C' P: V7 z1 |1 g4 B. g. Z) y1 w> configurations can be saved or easily duplicated for production volumes.
7 ?# o8 X8 v; A1 H8 H> The units should be small and compact with shielding, and able to mount 5 u( x5 d4 i- U, }+ ?4 i
> to a printed circuit board with header connector.
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1 W6 q0 ^. G! A/ d; [5 A( u> At this time, we are interested in samples of a pair of modems that
& H8 c0 B! x- n; D V X0 Z2 r> might be similar to this proposed system. We do not expect that you 0 c. ^4 Z5 b$ o# O/ b
> provide all of these specifications at this time. I can describe our $ }: y) m7 B) Y1 p
> immediate application needs in the next email if this project is of ' u4 P5 a9 E! P; q( C; Z
> interest to you. Perhaps you can make the samples by those
/ ^: X6 M' k0 b( T1 e/ M5 O1 E> specifications. This will allow us to test your radios before we move 4 ?. }! f- j0 s. E- w
> forward. We are interested in your 900MHz radio to start. / A( `" h- f7 `7 B6 u1 M
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