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客户要求如下,如果哪家工厂可以做,请和我联系
3 q! b) l( Z2 v6 Q3 w> The application that we have in mind is similar to others that we commonly + n( z2 e- G4 J* |) c$ o
> have. If we were to pay for FCC approval, we would want to use the modem
- S! {( } a3 Q3 R } r4 c$ F> units in all similar applications under the same approval number.
: Z2 |4 g @; M* _% W# m2 d' M> Therefore, we would like to be able to configure the units to a specific 3 R* m' c0 m- u; e- K* [& f, ?
> application. For the business that we do, this approach will yield more $ ^- R: g" o% S
> sales based on the same product and approval. We are interested in the ' P6 e( L3 ~0 \! B
> following specifications: 2 K, G M$ m4 n- k- p* T7 r" M- _
>
( q/ S8 v" }, p" k7 G) }> - 2 inputs at the Transmitter with three possibilities;
) r: e9 E% ^7 P: x> 2 analog i& ? `5 T" K5 c' `# w
> 2 digital
) a# B: s |* ~% t> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs ( o3 E `! U2 K! @8 R; B. l6 Z
> / B& b x2 ?% w+ i u1 z; S; k* m S
> - Ability to configure/define analog Transmitter input ranges through * J N6 E; g! Y' R5 l/ x& U6 a
> simple programming method to correspond with full-range analog Receiver
, E5 A7 k6 h; _, E# S; u> outputs (0 - full voltage). # Q$ H5 R( P1 m8 y3 D8 ?
> - |5 f5 h9 }0 R1 `( D# g( r# Z
> - Ability to configure and set sample rates for the inputs.
. f4 A u3 H* R. |4 {> - p" @* z, G# P; b! Q& T
> - Digital output on Transmitter that turns on during the sampling period. 1 I# j# X) Q2 l, E# _+ z D
>
; e2 w( ]8 J5 F/ B G> - Ability to configure a power saving Sleep Mode in the Transmitter by 3 k& Z6 z& v, g% q/ \9 u
> both software control and input hardware control. 2 g7 k6 | O* z' ^! ^. v
>
' |1 p: Y- k% g2 c" d2 J/ u> In order to configure the units, we would need a way to make the
0 N( L A3 C, |; n$ q! @: Y7 q+ x> settings. This would preferably be from a computer terminal so that
* {5 L) x& y! z> configurations can be saved or easily duplicated for production volumes.
) t$ P1 v3 o7 ]7 K* D7 ^# T> The units should be small and compact with shielding, and able to mount
3 c- m3 D* W* n* R! U, F2 R> to a printed circuit board with header connector.
5 @2 A- b6 ~6 {% y0 R. k( |>
4 O6 M( X' e3 V3 j$ F! t> At this time, we are interested in samples of a pair of modems that
: @7 A' k9 _% `& O8 [" k> might be similar to this proposed system. We do not expect that you
( f6 z4 C* e3 f( s) {' n1 R> provide all of these specifications at this time. I can describe our
f- s/ ^, r, K* {0 _; L4 F> immediate application needs in the next email if this project is of
- S2 F4 i$ H: r9 _0 Q. `! z> interest to you. Perhaps you can make the samples by those ! O7 ?: X% S& H+ `; \( L0 U7 Y4 A" A3 X% t
> specifications. This will allow us to test your radios before we move 3 W, Y, c/ ]7 b% m; i( f
> forward. We are interested in your 900MHz radio to start. 5 |/ n# t0 \& n1 ^: D6 l* o3 L
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