|
|
4 F1 M" F, i) A8 q ]/ o! S客户要求如下,如果哪家工厂可以做,请和我联系
/ s/ T, r* w( `: F> The application that we have in mind is similar to others that we commonly A) f3 |; W7 A, m$ l
> have. If we were to pay for FCC approval, we would want to use the modem # T- L. M: Q9 H5 i3 M+ L" V" D
> units in all similar applications under the same approval number. * F. z ^3 S* I6 j" d/ M
> Therefore, we would like to be able to configure the units to a specific
i! t- t/ i/ E; x2 d> application. For the business that we do, this approach will yield more " `+ c2 p/ P) K3 l A& B& a& N& F& b
> sales based on the same product and approval. We are interested in the
' r' w2 }5 N3 V5 _> following specifications:
4 w( A& x& o; i4 y; S' q; W>
/ P5 G2 a. X, M> - 2 inputs at the Transmitter with three possibilities; / y$ I% I' M5 N" P1 M+ M& X+ [
> 2 analog # ~; D4 X6 _" W$ @* a
> 2 digital ( Z, r" C: Z A* _# @
> 1 analog and 1 digital
) ^% @4 I5 ]6 P- x: c> 3 I/ M( w: Y4 n4 x% Y3 j6 Y3 K
> - 2 outputs at the Receiver with three possibilities to match inputs
g' b$ t/ f) `0 k- K>
& L, M& Y+ u/ v/ m> - Ability to configure/define analog Transmitter input ranges through 9 X* K6 C. {' w1 [
> simple programming method to correspond with full-range analog Receiver ) t) q" C+ B$ `/ k5 X
> outputs (0 - full voltage). 5 v! ?6 y8 N: i) ]% A! |2 `
>
. ~- Y4 E$ @# i9 _& {> - Ability to configure and set sample rates for the inputs.
) W# F; s/ @) A. d> h$ d3 q& F! S q; f5 c3 g; m/ c' C" m
> - Digital output on Transmitter that turns on during the sampling period. 3 B! s, w0 l: s4 c/ z
> - g# [4 g \: l
> - Ability to configure a power saving Sleep Mode in the Transmitter by ' G; I, G. _* l k) Y( n+ T; }7 s
> both software control and input hardware control. * F" _4 M, |6 G; C+ O1 k9 v( W
>
- ~" N- Q8 A! Y6 s> In order to configure the units, we would need a way to make the # {$ T) x, L, Z5 Z
> settings. This would preferably be from a computer terminal so that
9 [/ o' Y# a2 n> configurations can be saved or easily duplicated for production volumes. # a5 U3 ~) K5 D
> The units should be small and compact with shielding, and able to mount 9 _' W* z3 Q) Y* h( S ^( e
> to a printed circuit board with header connector.
$ w/ n" s6 a8 m' `- ] u>
+ H3 r. `( F% i5 Y> At this time, we are interested in samples of a pair of modems that . v" z/ v9 h b1 O$ ~
> might be similar to this proposed system. We do not expect that you 4 z. B, p3 x- | q9 F2 f
> provide all of these specifications at this time. I can describe our
2 ~7 |! |+ x0 E> immediate application needs in the next email if this project is of
$ x$ q: a. u) ^$ f> interest to you. Perhaps you can make the samples by those * Y0 U" ?9 w5 m+ P& q
> specifications. This will allow us to test your radios before we move
& Q: H* X" ?, a" ^+ r> forward. We are interested in your 900MHz radio to start.
+ _. p4 q% v! p7 T; ]0 [ |
|