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* C8 O7 z7 `9 ~, ?3 e8 u/ I+ i8 ~" t客户要求如下,如果哪家工厂可以做,请和我联系 4 F0 P2 s/ b8 `6 t9 j# M
> The application that we have in mind is similar to others that we commonly
1 [2 U) q) e# Z* G> have. If we were to pay for FCC approval, we would want to use the modem
* o2 ]+ m' e/ r: w: `, y$ j> units in all similar applications under the same approval number. , u) ` N! S% H/ e) Y$ U
> Therefore, we would like to be able to configure the units to a specific ' d. t: e) V# w( o7 W2 c3 u
> application. For the business that we do, this approach will yield more + ?! B: m; S2 {( l4 ?6 m
> sales based on the same product and approval. We are interested in the 4 ` B3 m. J* e- S2 s6 I1 e0 O9 Z
> following specifications: ; u& R, C' ^% j! N. D D
>
2 l% V5 `3 Q* K. l> - 2 inputs at the Transmitter with three possibilities;
! \+ H" k' r( n4 B> 2 analog 3 Q- I' c5 c, p$ l+ M3 k6 r
> 2 digital
* D; e! d# H3 [5 {> 1 analog and 1 digital % X e! @5 Y$ S* q, }; f# l
>
8 p! i; G' U4 E, L3 r# I4 Q2 y> - 2 outputs at the Receiver with three possibilities to match inputs
4 Z1 ^, K9 t0 \4 y> , q9 v. O* h' @3 N- N& M2 s( V# ?
> - Ability to configure/define analog Transmitter input ranges through
. ?0 A' u6 W8 D* P. y$ c> simple programming method to correspond with full-range analog Receiver
/ L) z ?9 O! E1 [5 y, ]: I> outputs (0 - full voltage).
" n- h& {$ [, U# ~' s9 o> - [$ o* _+ T q% s! B/ ^
> - Ability to configure and set sample rates for the inputs.
$ C6 W8 l( `2 `+ ]( x> 7 W/ } c! ^3 Y, ]3 ~ r: e% A( d
> - 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
# ~, T1 B2 ]8 F, M9 g> both software control and input hardware control. 5 l3 T( ^& u8 ]
> / p5 ]/ S: _, T2 O1 f( {- R
> In order to configure the units, we would need a way to make the
" q/ m" u0 _2 \' \. Z> settings. This would preferably be from a computer terminal so that ! \% Y* s4 r8 M$ [1 K
> configurations can be saved or easily duplicated for production volumes. I6 E0 f) m6 V1 z
> The units should be small and compact with shielding, and able to mount ! B, C. x% }- G& r; k5 c$ r4 f
> to a printed circuit board with header connector. 0 {4 E9 y3 [ }# ^
> ' E* L# P8 E: s0 m. Y, \7 o3 q
> At this time, we are interested in samples of a pair of modems that d3 K2 C6 P& G: h& s. R
> might be similar to this proposed system. We do not expect that you
[ b/ t" c q1 r, @. \> provide all of these specifications at this time. I can describe our
# A" O, B" a8 y d& [1 \6 c> immediate application needs in the next email if this project is of
% q7 S/ r" G" v& E* a9 m> interest to you. Perhaps you can make the samples by those ' O$ l1 p4 X* b9 h: [7 O
> specifications. This will allow us to test your radios before we move
3 f, r4 j. N5 H& D3 K+ R7 l# E1 |> forward. We are interested in your 900MHz radio to start. 4 G* L/ R6 N5 X+ P
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