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8 [* m6 s) N5 U$ A- |' F客户要求如下,如果哪家工厂可以做,请和我联系 1 B3 Q0 K+ S& w1 c
> The application that we have in mind is similar to others that we commonly ) J* s2 J `2 ^9 l
> have. If we were to pay for FCC approval, we would want to use the modem
: ^ B5 N9 T W0 b0 q: z8 i> units in all similar applications under the same approval number.
* s4 | }! O+ R! r; s5 O2 A> Therefore, we would like to be able to configure the units to a specific 3 @( v6 k }( @8 j7 I* X- S D
> application. For the business that we do, this approach will yield more # I; ?1 a; h7 R5 l+ M
> sales based on the same product and approval. We are interested in the
' P/ C5 x3 T3 K) Y4 S> following specifications: 7 l2 f( {/ A& u$ G9 P$ O
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> - 2 inputs at the Transmitter with three possibilities;
_/ L( T0 a% \) E$ E! U> 2 analog
( U' g- Z$ d4 e$ w F/ x3 T2 J> 2 digital 7 {' Q- T! }# Z/ A, a$ S! K
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs
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: |( q/ L) p' W, a, _> - Ability to configure/define analog Transmitter input ranges through 0 T+ r7 n9 w. H9 [5 h7 c; I
> simple programming method to correspond with full-range analog Receiver 2 x' f) ?7 G9 a* x f
> outputs (0 - full voltage). 2 D$ `! g! i! K4 \6 Z1 c) n
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> - Ability to configure and set sample rates for the inputs.
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, {! h$ L; w9 Y- i> - Digital output on Transmitter that turns on during the sampling period. 5 J1 X$ e, V, n' g% f
>
2 `4 ]* J/ _* W+ y> - Ability to configure a power saving Sleep Mode in the Transmitter by
) ?* M1 f" h: t) }- c2 {( C9 z4 Y& V( u> both software control and input hardware control.
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& A0 c) M$ g2 C, j) D) G/ x" w- r> In order to configure the units, we would need a way to make the $ t- f" k1 j3 d' Q) `$ C, q
> settings. This would preferably be from a computer terminal so that
8 X) x0 r% Q' q> configurations can be saved or easily duplicated for production volumes.
9 Y5 F# U, i6 c6 V3 ]: }2 I> The units should be small and compact with shielding, and able to mount : h* h: T4 T0 t% o8 i( W9 A
> to a printed circuit board with header connector.
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) W3 ~9 ~! w1 [7 O- s7 K> At this time, we are interested in samples of a pair of modems that
, }" D8 h$ Y- O' e> might be similar to this proposed system. We do not expect that you + j* \# Q* p; s# s! m4 Q
> provide all of these specifications at this time. I can describe our
% t7 E! n" U2 H8 m$ t z> immediate application needs in the next email if this project is of
5 I4 p3 \% u! d, \6 u6 g+ O> interest to you. Perhaps you can make the samples by those 1 l: r# W# s; c' A8 C: a4 n
> specifications. This will allow us to test your radios before we move
; O7 ?: W, \. U# D4 R8 h0 J> forward. We are interested in your 900MHz radio to start.
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