|
|
" [) [) V* L- E4 }客户要求如下,如果哪家工厂可以做,请和我联系
8 t- L7 t* w: a> The application that we have in mind is similar to others that we commonly
7 O6 x1 ?7 n9 G1 Z9 J& M, l9 x/ }> have. If we were to pay for FCC approval, we would want to use the modem / g8 j& G( j* ^
> units in all similar applications under the same approval number. 1 J3 p9 M: [. D1 C
> Therefore, we would like to be able to configure the units to a specific $ j$ F( F% Y0 r
> application. For the business that we do, this approach will yield more 8 b1 ^& G. S) G5 k- N
> sales based on the same product and approval. We are interested in the
; }8 Y# G& u+ { }0 c> following specifications: 7 b/ N' Y+ V/ j$ }- S
>
: z7 f; ~: ^& d. }8 T5 U> - 2 inputs at the Transmitter with three possibilities;
- A* G7 B) [2 r' x1 l> 2 analog & f" o, `4 G( k. p7 Z7 t+ e
> 2 digital
" F( |' h7 y2 W. F: T> 1 analog and 1 digital : ]2 W& W) C4 l" O! |
> 4 I. T+ {2 m7 S
> - 2 outputs at the Receiver with three possibilities to match inputs
3 g( `0 S" K0 B> 1 s2 ~ T; ]' {& N
> - Ability to configure/define analog Transmitter input ranges through
) m m, L! i3 D4 U> simple programming method to correspond with full-range analog Receiver
- S+ ^% e3 n# q> outputs (0 - full voltage).
" Q! v4 [* }+ a6 M5 W: U8 ~/ }1 t5 h>
% Z) ~2 Q$ @. j) h3 J m3 t> - Ability to configure and set sample rates for the inputs.
2 r0 d9 x$ l# a3 `2 z: }# @- ]# C>
+ N0 d: m7 ^5 |/ n5 ?> - Digital output on Transmitter that turns on during the sampling period. $ \8 N' g- v/ F9 A( C3 r
> * S5 U! U5 M; @1 n) H% Q6 y+ x
> - Ability to configure a power saving Sleep Mode in the Transmitter by * L7 P. j+ [6 U+ T2 p
> both software control and input hardware control.
; D+ o. K; y8 e> 5 g1 c0 c' f% }' F/ P
> In order to configure the units, we would need a way to make the & K: t4 p I: P+ y4 I
> settings. This would preferably be from a computer terminal so that
x9 x, Y: r; F b1 V, o, w$ i. M> configurations can be saved or easily duplicated for production volumes.
) J+ |. g$ u8 x& d6 X- m+ v2 C> The units should be small and compact with shielding, and able to mount 4 s/ R9 K; E/ z4 ]: Z" x5 ^
> to a printed circuit board with header connector. 9 m8 O! l6 v R) `
> 8 e$ h7 ^& w+ a. k: t
> At this time, we are interested in samples of a pair of modems that
8 ~" t! o' ~4 @! p/ Q. q9 N2 Y1 c5 ^> might be similar to this proposed system. We do not expect that you
' ^/ A( _: [; e- B7 p; C6 t> provide all of these specifications at this time. I can describe our % h4 f( p0 w' [' f& F f
> immediate application needs in the next email if this project is of
4 u" Z4 w! m5 g> interest to you. Perhaps you can make the samples by those 3 l* n4 j; h8 g, d+ `! L" o: p
> specifications. This will allow us to test your radios before we move
( s+ a+ b, @% i> forward. We are interested in your 900MHz radio to start.
8 W. i1 s! b/ |/ i7 ^. x. c6 r |
|