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5 K6 D0 P, t9 L! ?" I( u客户要求如下,如果哪家工厂可以做,请和我联系 + k s+ ~, b) e) y; N; ~
> The application that we have in mind is similar to others that we commonly
* l& ^% W! z# ?+ T! ]% F" a> have. If we were to pay for FCC approval, we would want to use the modem
! p4 d* t1 f; t9 H: t0 t2 Z> units in all similar applications under the same approval number. 0 }8 [- J/ M; L% S% W3 @
> Therefore, we would like to be able to configure the units to a specific 2 X9 g' n9 c3 d* A. D; x* b' z
> application. For the business that we do, this approach will yield more
. n$ z$ j' \! L+ }: H> sales based on the same product and approval. We are interested in the 5 P& x8 m; ?7 E% {6 Y; J- X, J
> following specifications: , K* Q" B/ @8 U& O% {
> 2 I1 K/ p' l- `2 P5 `0 z
> - 2 inputs at the Transmitter with three possibilities; ' R/ a" U5 v2 q" {
> 2 analog # p% U7 E! X0 N# l+ L/ P
> 2 digital . x% N( Z! U, G& g
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs / C- C8 V8 K& L9 `# g$ h
>
% U7 k9 v# P {0 S> - Ability to configure/define analog Transmitter input ranges through
+ ]! V5 ^* V2 i: p( e" {> simple programming method to correspond with full-range analog Receiver 9 H* t+ {0 s6 s9 D
> outputs (0 - full voltage). 3 n3 P( ^8 a7 Y5 K' C
> ~- M5 E& D6 e, l# \# {
> - Ability to configure and set sample rates for the inputs.
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7 ^, J J) a8 h) w> - Digital output on Transmitter that turns on during the sampling period. & U/ H5 }- Z0 W6 `
> * C6 k5 d* R* x$ w+ Z9 ?$ A
> - Ability to configure a power saving Sleep Mode in the Transmitter by
; A) W/ S- K8 `% c4 P8 |6 p> both software control and input hardware control. " C4 H7 @" j9 G
>
( M4 M- y% M9 s) S- m; w; f> In order to configure the units, we would need a way to make the
% E' n7 o3 Q7 l7 E+ g: g$ s> settings. This would preferably be from a computer terminal so that 8 Z; B" w, B: J9 j. |
> configurations can be saved or easily duplicated for production volumes.
/ F* l) Y. W- r0 s1 v> The units should be small and compact with shielding, and able to mount - a. ]* X" ^, x+ f. [
> to a printed circuit board with header connector.
0 ~: }& W- G1 l- M. n1 ]>
. h S- w& N# I" U9 _> At this time, we are interested in samples of a pair of modems that 9 l! U/ ~( s7 d9 F
> might be similar to this proposed system. We do not expect that you ! A3 }- c$ T: K1 R
> provide all of these specifications at this time. I can describe our
; @, y3 d) \+ i |. O$ G> immediate application needs in the next email if this project is of
$ `: \" E/ n% y/ k S k> interest to you. Perhaps you can make the samples by those 3 X: ]0 [4 `- i% r5 J G
> specifications. This will allow us to test your radios before we move + M" p7 ~, @; {' N5 R) M8 J
> forward. We are interested in your 900MHz radio to start. 0 J7 K& F( n; z
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