|
|
/ j" v+ |& U$ o* z客户要求如下，如果哪家工厂可以做，请和我联系
. s! z- f6 W! w( |5 ]- w
> The application that we have in mind is similar to others that we commonly
' S$ v( G/ K8 b: [5 Z% Q> have. If we were to pay for FCC approval, we would want to use the modem
8 \- D. J: k, D3 D2 w9 V8 w> units in all similar applications under the same approval number.
# @8 m0 {' V7 W: g. P/ A9 t& B
> Therefore, we would like to be able to configure the units to a specific
# c; w' Z9 R* W9 A% k; k4 i { K3 P> application. For the business that we do, this approach will yield more
6 @% j" [6 g d8 h. g
> sales based on the same product and approval. We are interested in the
- X$ W) t) J: q- s8 B( p- X
> following specifications:
E. C0 p# v+ w* ]6 p>
& _# n7 W5 u- O w; {" _
> - 2 inputs at the Transmitter with three possibilities;
9 `: j2 ^, [ ]+ p3 F1 r: a
> 2 analog
" _7 |+ q4 z+ a; q
> 2 digital
# ^: k( b4 k& p( P; v/ y* y> 1 analog and 1 digital
3 q2 ^4 s# k: ^2 z4 I$ x>
0 ^6 b1 @6 }" B) ^4 x# |
> - 2 outputs at the Receiver with three possibilities to match inputs
% p6 J' x) u( b& L4 Z+ N( M; w7 {
>
; b$ w4 Q9 A% B+ b, r/ {' U> - Ability to configure/define analog Transmitter input ranges through
# S7 A# {3 ^2 r! s4 Y# Y, q> simple programming method to correspond with full-range analog Receiver
2 p; X9 }- V( {> outputs (0 - full voltage).
/ f6 E3 b. y' o8 ]# P# Q, E
>
1 i. @2 ?: @6 h3 a> - Ability to configure and set sample rates for the inputs.
) e' E! }1 s+ ^>
# @9 @( s, d y) T> - Digital output on Transmitter that turns on during the sampling period.
2 d& K# k6 @# T9 c
>
$ f2 Z1 o% ?; ^
> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ e7 ~7 G3 T k* I> both software control and input hardware control.
+ R. z( ?- z$ V
>
" p& ?1 ~( B& [. `> In order to configure the units, we would need a way to make the
* t4 L }. H9 p> settings. This would preferably be from a computer terminal so that
5 P& e' f' Q0 b0 v+ ?+ B# D> configurations can be saved or easily duplicated for production volumes.
$ Z( T8 ^' K, i. p- |# s3 o> The units should be small and compact with shielding, and able to mount
. f3 L2 T9 M) F4 A% k> to a printed circuit board with header connector.
9 _( ]0 I) Q8 \5 k' z>
# d- J5 V* E x> At this time, we are interested in samples of a pair of modems that
: H/ x$ k9 G+ K0 c: g
> might be similar to this proposed system. We do not expect that you
- l# h0 d/ _: C, |5 B2 p( V> provide all of these specifications at this time. I can describe our
# y6 N0 q7 v4 A+ z- K6 N |> immediate application needs in the next email if this project is of
+ y, {& X- t( t" O; j4 y* ]; w> interest to you. Perhaps you can make the samples by those
$ \0 B/ T7 C' ]: `$ e) \> specifications. This will allow us to test your radios before we move
]; Y( O' [/ e9 F2 E. n( s/ _, z0 f
> forward. We are interested in your 900MHz radio to start.
5 F) q3 q' W4 V( I
|
|
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