|
|
, y4 v& T. z! K% | V$ R1 D客户要求如下，如果哪家工厂可以做，请和我联系
. r* a5 K* a& H) g8 q+ W& i, J> The application that we have in mind is similar to others that we commonly
0 s1 w+ l) c ?4 e, @
> have. If we were to pay for FCC approval, we would want to use the modem
6 C: \1 |! j9 m- j> units in all similar applications under the same approval number.
: V, I5 F% k9 O) b k; q' ~5 [
> Therefore, we would like to be able to configure the units to a specific
! ^ P7 G" V2 E' n4 h1 ^
> application. For the business that we do, this approach will yield more
6 B6 a y) C: @6 y+ s- }
> sales based on the same product and approval. We are interested in the
6 G- K" A( S+ J1 m9 u. T2 F> following specifications:
0 Y5 N2 Z, m0 |# `: q
>
5 y5 n3 |& M5 P5 N' b
> - 2 inputs at the Transmitter with three possibilities;
* O, C0 x1 I1 j: Y3 o
> 2 analog
" X/ i4 m& \4 \+ p( V3 f
> 2 digital
) z) v5 Y" _, y
> 1 analog and 1 digital
* c C; S1 H9 ]2 U: m" B
>
* h+ M* d6 E, z1 Y
> - 2 outputs at the Receiver with three possibilities to match inputs
) w% g9 Z. H8 i( J& e% }) E>
# A' ^( {5 G8 p- G. a
> - Ability to configure/define analog Transmitter input ranges through
! U$ g! u! `2 G7 f' Y' [5 X
> simple programming method to correspond with full-range analog Receiver
0 c x& q# E0 c
> outputs (0 - full voltage).
2 R4 z1 J, O% a: H p$ I
>
0 X4 v2 m5 w* x6 g) H> - Ability to configure and set sample rates for the inputs.
& Z2 c9 q. A) H
>
7 x8 M8 x, ]. ]9 Q: M3 D# j- p7 s, _
> - Digital output on Transmitter that turns on during the sampling period.
3 |" {1 A0 o* w5 j8 E, ^/ O
>
6 I' u: I) k- N) d7 i1 b
> - Ability to configure a power saving Sleep Mode in the Transmitter by
. ?+ p$ g+ {) h' J> both software control and input hardware control.
5 K& O }0 i$ ?' T+ K
>
5 n/ @0 e, Z0 G8 a
> In order to configure the units, we would need a way to make the
8 \9 ~- u9 J: o7 M+ H% k, p" j> settings. This would preferably be from a computer terminal so that
" t9 r4 |1 d! q# S. e
> configurations can be saved or easily duplicated for production volumes.
+ w g1 U. z, a# m9 v, t) r- o3 i
> The units should be small and compact with shielding, and able to mount
5 F) m, o" S8 e> to a printed circuit board with header connector.
1 z9 Z% p: a( z& r1 e, t
>
! ?8 }8 ]: F d4 x
> At this time, we are interested in samples of a pair of modems that
8 \, J0 [. N5 X G( d1 z> might be similar to this proposed system. We do not expect that you
0 j8 k2 N) S- B' X4 F: H& L
> provide all of these specifications at this time. I can describe our
" a. C, r u1 ?3 N
> immediate application needs in the next email if this project is of
) V' l3 p% Y, u
> interest to you. Perhaps you can make the samples by those
* d- b# g0 o1 e3 }
> specifications. This will allow us to test your radios before we move
' m1 B, _- w7 c0 Z% `+ E% D6 P0 D> forward. We are interested in your 900MHz radio to start.
3 I4 m7 Z$ U* o# \4 a" {' | |
|
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