|
|
# M% D7 c# u. i9 z
客户要求如下，如果哪家工厂可以做，请和我联系
) N q) Z, j' h
> The application that we have in mind is similar to others that we commonly
7 ^' K" F5 a/ m. A( J+ D> have. If we were to pay for FCC approval, we would want to use the modem
+ w$ J% X6 M* O
> units in all similar applications under the same approval number.
; S+ Q0 u% p0 G. Y$ b( p> Therefore, we would like to be able to configure the units to a specific
/ q- x' G" k2 |( j/ c: e4 ?
> application. For the business that we do, this approach will yield more
1 Z0 r6 O6 e: E2 q0 Y" o8 R1 P
> sales based on the same product and approval. We are interested in the
$ F" l9 c. p1 x6 ^$ ]: Q, H> following specifications:
0 L! h8 h5 C9 P V' D$ T>
# ?! r9 W) k- n* r+ c7 X+ j% d# C% ~! S> - 2 inputs at the Transmitter with three possibilities;
: |5 B1 m) P% ~2 d& f5 B> 2 analog
; |+ F/ ^% }" G8 z- K> 2 digital
. J: R/ D1 w- o; D) p> 1 analog and 1 digital
5 Z2 f. d$ Q% t V& V
>
& E* ~( m' X& E" x2 R: }! m' n( `
> - 2 outputs at the Receiver with three possibilities to match inputs
8 N% j3 i$ J9 I) i4 N>
# U4 c8 }9 G% y n+ b' @# p) w
> - Ability to configure/define analog Transmitter input ranges through
! C+ W6 K+ J9 v2 p+ a> simple programming method to correspond with full-range analog Receiver
" m+ Q. i) A* V9 s1 n4 m! Y
> outputs (0 - full voltage).
2 g& I& L5 T' W) B
>
' |2 r: W; {2 K" s: Y+ l& S0 b> - Ability to configure and set sample rates for the inputs.
% ?2 u a2 z' j ]" f; O! V
>
6 v$ J0 H( H3 l% l3 L. r> - Digital output on Transmitter that turns on during the sampling period.
8 t. M' P- E# \' \( L2 s
>
6 h/ Z3 n! `0 Y4 C2 ]0 @$ E; W> - Ability to configure a power saving Sleep Mode in the Transmitter by
. ~. }, P% D8 r4 b
> both software control and input hardware control.
$ X6 c6 ^! Q$ Z& B/ m9 m( J- p- L( ?0 H>
2 z- }" L. C& A0 L J6 T8 T> In order to configure the units, we would need a way to make the
/ e% G! E1 ?0 b& Y5 X> settings. This would preferably be from a computer terminal so that
" v) Z) A$ |: o
> configurations can be saved or easily duplicated for production volumes.
; Z+ I% q$ Q6 \: Q: S9 V: j> The units should be small and compact with shielding, and able to mount
3 R$ i3 q6 q1 w- t4 f
> to a printed circuit board with header connector.
6 X. s9 Z, n- U: ^
>
( s' I$ f( N) ?* v D1 j$ B
> At this time, we are interested in samples of a pair of modems that
6 t- j, y, d7 V6 ]
> might be similar to this proposed system. We do not expect that you
) f6 f, A* T% i2 s* H* T> provide all of these specifications at this time. I can describe our
' {4 [6 E1 ^; O" H> immediate application needs in the next email if this project is of
" s2 } F2 x' Y' @- @2 {3 E> interest to you. Perhaps you can make the samples by those
3 |. v0 M* k3 A5 V> specifications. This will allow us to test your radios before we move
4 Z# A& n" Z! f) S. \
> forward. We are interested in your 900MHz radio to start.
: @- G- L' V8 ^9 E |
|
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