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* ?& I) C& E( b' ?, ]客户要求如下,如果哪家工厂可以做,请和我联系 j' D G0 _9 N" c, P( z/ b
> The application that we have in mind is similar to others that we commonly : ]0 r* w {" W
> have. If we were to pay for FCC approval, we would want to use the modem 4 k5 s0 Q5 |& U
> units in all similar applications under the same approval number.
0 [) k$ E l) `( S1 @! ?> Therefore, we would like to be able to configure the units to a specific 4 s* _) R- Q' ^# q5 G( [
> application. For the business that we do, this approach will yield more ) z5 R6 E& B" l8 M
> sales based on the same product and approval. We are interested in the
" S8 {5 U. b/ f$ j1 m> following specifications:
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& k3 Z2 l4 H: V0 M8 |> - 2 inputs at the Transmitter with three possibilities; " M1 Y% b. s: D" y5 d1 U1 S- a5 P2 _
> 2 analog " r2 t1 d$ q: J
> 2 digital % d" l8 C7 A% {9 f. c( Q5 _! P
> 1 analog and 1 digital
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# z2 {1 J" c2 g- ^ C> - 2 outputs at the Receiver with three possibilities to match inputs
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> - Ability to configure/define analog Transmitter input ranges through
* k) D7 V3 l2 R. L" ~9 `* N> simple programming method to correspond with full-range analog Receiver
6 F" J: y( t- q8 C3 T* R> outputs (0 - full voltage). 6 Q9 H" X2 @6 h6 ?6 ]5 q' i% _
>
n5 L( N" g1 w+ w> - Ability to configure and set sample rates for the inputs. ) ]) T% D5 l" s6 D) V
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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
5 S3 f4 L% G8 M% ?" y! F. x> both software control and input hardware control. # P5 K+ P% Z+ _& g! n' Q% H
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> In order to configure the units, we would need a way to make the * N& n: r% o$ W. Y+ o, y
> settings. This would preferably be from a computer terminal so that
2 K& K8 e* Z" p. F% e$ J8 F> configurations can be saved or easily duplicated for production volumes. * Z3 i0 _+ Y! i
> The units should be small and compact with shielding, and able to mount ! f2 l% w9 t2 C I6 T! @- k
> to a printed circuit board with header connector. . ^' {6 K0 O" a- E ]+ e3 W5 N
>
5 G( R1 d5 [0 p- D/ R ~> At this time, we are interested in samples of a pair of modems that
3 v4 a! }3 r, q> might be similar to this proposed system. We do not expect that you
+ p" N( \- x* x> provide all of these specifications at this time. I can describe our
+ J7 S. v) @* |8 i- B6 F> immediate application needs in the next email if this project is of ! J; b: c& A8 j1 {2 g* g
> interest to you. Perhaps you can make the samples by those 1 j$ D" O( C, @ M& I$ @
> specifications. This will allow us to test your radios before we move
; K8 X9 e) }% F5 B3 ^2 m& g" l> forward. We are interested in your 900MHz radio to start.
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