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! h+ w- {9 F+ m客户要求如下,如果哪家工厂可以做,请和我联系
+ t, S6 [6 z( f* @> The application that we have in mind is similar to others that we commonly
( c' G, F' d$ |3 b> have. If we were to pay for FCC approval, we would want to use the modem
) T7 h9 q, q }1 l7 {> units in all similar applications under the same approval number.
G% S$ Q; l" d6 C> Therefore, we would like to be able to configure the units to a specific 8 n1 N( o) a8 t7 s! I5 [& ]( G# ~
> application. For the business that we do, this approach will yield more
* B0 [, H7 ^% }4 N4 S$ L, Y. s& K. g> sales based on the same product and approval. We are interested in the " i& e% L8 G( O) ]
> following specifications: 3 Z$ {; G3 N: D
>
9 X* t; w+ u+ b% [> - 2 inputs at the Transmitter with three possibilities;
$ n$ Y+ i; a5 v- Z& ~> 2 analog
- ?5 E! \- t! u& d' q> 2 digital
& S& F1 T4 Z/ b% a7 j, ]5 Z> 1 analog and 1 digital 2 u; R- E+ C+ d& D8 K& \
> 2 O, j' M- ~8 G, R+ a" Y. Y& Z
> - 2 outputs at the Receiver with three possibilities to match inputs 2 P) r+ B, K$ Y* K c
> ( n. C1 L' \- |# J. T: y7 l5 ?
> - Ability to configure/define analog Transmitter input ranges through
" O q; |3 {* u, _" r> simple programming method to correspond with full-range analog Receiver
6 N+ K$ v) ^5 N- a4 i> outputs (0 - full voltage).
9 u# Q) l( L9 H& _1 k/ ^# }>
{& ?+ D: L( i> - Ability to configure and set sample rates for the inputs.
7 N" W3 c/ b; K r1 T) O B7 l, e> # ?% \9 ~* K" s
> - Digital output on Transmitter that turns on during the sampling period. 9 T6 {( f2 n" `
>
! ^7 w0 n" C7 W1 I2 D5 d> - Ability to configure a power saving Sleep Mode in the Transmitter by 2 b5 a- O' C- ]* d3 A
> both software control and input hardware control. / e- @. c2 ]! ~* n
>
0 g0 I, T4 @) c, {3 z> In order to configure the units, we would need a way to make the
3 Z6 A- S( a' L/ V0 C& K( p) V> settings. This would preferably be from a computer terminal so that
: Q. H) k$ o& {% n( P9 p> configurations can be saved or easily duplicated for production volumes. ' o0 \; H9 ` i% c: b8 O/ p
> The units should be small and compact with shielding, and able to mount 2 c# ]1 F: d5 l
> to a printed circuit board with header connector. , R+ }% w$ d2 P" j; R! G# z
>
3 R( T5 D. G4 l5 A1 `> At this time, we are interested in samples of a pair of modems that $ k' n a! u* a- v3 ?2 J
> might be similar to this proposed system. We do not expect that you
- p( z6 `4 {5 H" r9 i> provide all of these specifications at this time. I can describe our 1 I8 I1 W9 H2 L( k3 J) X
> immediate application needs in the next email if this project is of O2 e2 w8 T5 R' ]" V2 x) o9 h' z3 K3 [
> interest to you. Perhaps you can make the samples by those $ g# m1 R. H% P7 q6 V2 f) n
> specifications. This will allow us to test your radios before we move % i7 n& x, h* N! Q
> forward. We are interested in your 900MHz radio to start.
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