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?1 y2 w8 h, T' K2 v# N客户要求如下,如果哪家工厂可以做,请和我联系
2 D; M0 H, H8 ]" D+ q/ e/ @8 m> The application that we have in mind is similar to others that we commonly . R a/ S1 M) `; Z! q
> have. If we were to pay for FCC approval, we would want to use the modem / k$ V$ V3 D5 G; l' R0 V
> units in all similar applications under the same approval number. " S# k/ r$ v+ _/ O/ ]
> Therefore, we would like to be able to configure the units to a specific
) |. T" u( n, y> application. For the business that we do, this approach will yield more
& r0 p, S% ]* `' ` M4 {> sales based on the same product and approval. We are interested in the
, X$ ?" C& [8 `% S, A) B8 B> following specifications:
& h: Y. M1 v$ i9 G# g/ N> 8 i, p l' f" y7 J2 ~& s8 ^
> - 2 inputs at the Transmitter with three possibilities; " Q. [9 H; x+ h: a
> 2 analog 6 j: K8 o4 z3 O3 E3 z
> 2 digital , v8 E/ `; ~* f6 [
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs . ^4 Y' h- m+ ^. [
> 1 S, X$ o0 c& f- `- }- o
> - Ability to configure/define analog Transmitter input ranges through 4 G- o; }9 L/ ^1 `
> simple programming method to correspond with full-range analog Receiver
6 v# s# U$ c* d3 y! c+ O> outputs (0 - full voltage).
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k6 n- C+ m X, ?+ u, G) M> - Ability to configure and set sample rates for the inputs.
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) I. v8 @5 S! `+ H6 t2 b> - Digital output on Transmitter that turns on during the sampling period. / D9 Y% g/ ~! s) Z0 k
>
/ p" J* q G1 Z( F7 D5 c* _% v> - Ability to configure a power saving Sleep Mode in the Transmitter by . z7 m; [/ s" u% g y: u+ u3 F
> both software control and input hardware control. ; U e5 z& a8 e" v3 y- S
>
4 L8 s/ p2 `3 D: S! F> In order to configure the units, we would need a way to make the
9 K4 M3 T1 L- [3 K& j> settings. This would preferably be from a computer terminal so that 0 z- ^) u9 ?8 }- v! o' z8 F& ~
> configurations can be saved or easily duplicated for production volumes. 1 B3 Z" |/ A3 Y3 {/ A
> The units should be small and compact with shielding, and able to mount
, i, Z& r- e9 z# W9 w> to a printed circuit board with header connector. k# |* J ^* \) @% T- V8 I2 \
> 8 E, ~* l$ w* a h
> At this time, we are interested in samples of a pair of modems that
) [: v/ V: }' R& W. t; Z> might be similar to this proposed system. We do not expect that you
5 T! e( b7 i8 F> provide all of these specifications at this time. I can describe our ! [. ?' l. _; q* S
> immediate application needs in the next email if this project is of 8 T; I+ d' G+ \) ~7 B$ u D. u- q
> interest to you. Perhaps you can make the samples by those
8 L: X& ]9 S4 h$ i> specifications. This will allow us to test your radios before we move
- {/ u' A% I& K, k> forward. We are interested in your 900MHz radio to start. . p4 ?( l4 z& n% I2 g# K V
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