|
|
Y. f$ S3 j; B( @
客户要求如下，如果哪家工厂可以做，请和我联系
+ e! h, k0 \% b7 A6 p) k9 B
> The application that we have in mind is similar to others that we commonly
+ w1 O8 T+ R. _6 ?8 ?, L
> have. If we were to pay for FCC approval, we would want to use the modem
6 c: `! i& P {> units in all similar applications under the same approval number.
% j5 ^- \4 m: C4 a1 B" f9 e& w> Therefore, we would like to be able to configure the units to a specific
$ T) I* X! \! t" ?
> application. For the business that we do, this approach will yield more
( Q* C, R- i$ S. O& @' z; W> sales based on the same product and approval. We are interested in the
: v1 p/ i/ P# y% V/ l# G* {7 ]( d
> following specifications:
9 l: j0 q! T7 M% a
>
/ X$ D% z& r* m' {: J
> - 2 inputs at the Transmitter with three possibilities;
) u* ^/ ]0 v: @
> 2 analog
) x( _ [% ^2 Z. E% T$ a% p+ N! E2 O> 2 digital
9 \* |& \; e; o2 U+ \4 }
> 1 analog and 1 digital
" I- M7 z+ L. m4 ~! g>
5 f9 C: G2 L: ~7 }. f9 ^
> - 2 outputs at the Receiver with three possibilities to match inputs
! R# b0 C" U A* m4 [
>
% ^; |6 U4 P4 v8 ]4 S
> - Ability to configure/define analog Transmitter input ranges through
5 ]9 f4 a1 t; s" ^
> simple programming method to correspond with full-range analog Receiver
5 ?1 e% i1 T" M, v, m
> outputs (0 - full voltage).
& E. J- T. C' w: j7 X3 l7 h+ c( B
>
/ }5 W: T" j I* S2 | _
> - Ability to configure and set sample rates for the inputs.
1 x8 U$ F5 L7 |( Q- h) E
>
6 y' R- ] E" i6 o2 e; @2 {> - Digital output on Transmitter that turns on during the sampling period.
/ Q9 _. y2 I7 G& A7 q: Z3 a8 R: J# T2 t>
! r o, H2 X! q6 ]$ {$ T0 G3 a
> - Ability to configure a power saving Sleep Mode in the Transmitter by
, U9 A' Z0 D, D9 [, o
> both software control and input hardware control.
2 v M$ Q8 r6 m, s>
/ R9 M; i* b5 U5 K5 t
> In order to configure the units, we would need a way to make the
8 v- F8 J, e3 L# E
> settings. This would preferably be from a computer terminal so that
3 B7 _- [/ V a$ B* U> configurations can be saved or easily duplicated for production volumes.
* f7 H- Z, |' y+ ]3 {' y o> The units should be small and compact with shielding, and able to mount
6 c3 R/ d8 c2 a: B% h> to a printed circuit board with header connector.
, H- j5 C5 s, [* T2 O) T4 \
>
' b/ V @$ Y' C2 P
> At this time, we are interested in samples of a pair of modems that
2 b( z: h3 O+ G( m$ t- W) t> might be similar to this proposed system. We do not expect that you
7 K* X0 ]% l/ u6 E- t2 U& K) E> provide all of these specifications at this time. I can describe our
) w, C( F$ y$ d- v1 ]> immediate application needs in the next email if this project is of
4 x/ V4 }" x5 m% ^1 S> interest to you. Perhaps you can make the samples by those
+ T2 G% T! B( \5 z; c& O
> specifications. This will allow us to test your radios before we move
6 q6 x* _. F( C8 f- H> forward. We are interested in your 900MHz radio to start.
) x, P9 e1 `$ d3 Y. N" w
|
|
IP卡
狗仔卡
发表于 2007-5-27 20:29:37
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡