|
|
% D9 n( l& |( ?; P客户要求如下,如果哪家工厂可以做,请和我联系
5 x s+ q$ s+ I- U+ ?> The application that we have in mind is similar to others that we commonly
+ v- C5 P! U! }. d4 f0 j> have. If we were to pay for FCC approval, we would want to use the modem . l! n# A) S' S4 y' G( y
> units in all similar applications under the same approval number. . S; w+ N9 t2 z: W# a
> Therefore, we would like to be able to configure the units to a specific
' B% \, c( a l: |& N0 n8 z0 q/ Q> application. For the business that we do, this approach will yield more
: h, Y7 w$ I5 A# F9 ?3 k> sales based on the same product and approval. We are interested in the & q' l0 q) O9 T) v6 O/ D& Q
> following specifications:
7 Y; N# Z, ~4 `+ E! b% \3 m( h7 j: F>
6 h* y3 W) ]: [2 L8 M+ J$ S1 Z> - 2 inputs at the Transmitter with three possibilities; 8 `4 u* A; n6 i( q
> 2 analog
$ _: b7 B/ N) ?> 2 digital ; `& N7 M4 Q9 Q: Q* s; X
> 1 analog and 1 digital
! O7 Z( S/ A" B! g>
) _# d4 S3 p/ q8 v) R! T' x% r> - 2 outputs at the Receiver with three possibilities to match inputs " L0 f) O: n# U
>
0 i4 I0 L# k' ~: g; O5 c; e( g8 @> - Ability to configure/define analog Transmitter input ranges through
( X, b: A3 U: R2 Y> simple programming method to correspond with full-range analog Receiver
" w" \8 e4 L& m> outputs (0 - full voltage). 5 T- ?1 x" Z1 c! {% t
> ! C0 g: A8 g V- c; R4 [4 Q$ e2 o
> - Ability to configure and set sample rates for the inputs.
6 o& k8 m. l& s; \1 H> 2 Z9 W0 D2 [& f R5 w4 h- a
> - Digital output on Transmitter that turns on during the sampling period. 0 v7 M& R7 W" w2 ~4 ~
> 2 |) ?& t% i2 W3 N7 |3 c2 @: Z
> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 l' A: b8 N9 L% N# ^* h3 X> both software control and input hardware control. ' o7 [& F( g! a: G
> . y+ {" t' D, c/ d; X+ [
> In order to configure the units, we would need a way to make the
; r! Z' M9 v& t& v> settings. This would preferably be from a computer terminal so that 4 ~5 |0 n1 ^/ I1 `/ z
> configurations can be saved or easily duplicated for production volumes. 8 T e. t/ R: n; T- f; S
> The units should be small and compact with shielding, and able to mount 5 `; ~9 U" f; b0 D9 X
> to a printed circuit board with header connector.
* {2 P' Q8 ^6 k, j7 r> J) \5 G" M2 G& z
> At this time, we are interested in samples of a pair of modems that
p& H# M; z. t2 R7 Q> might be similar to this proposed system. We do not expect that you # ^' e4 l0 l8 ?4 ^
> provide all of these specifications at this time. I can describe our
+ _$ {! z! m* V% G0 g) r4 S0 L> immediate application needs in the next email if this project is of
) _9 Z1 z9 p7 z7 `6 K8 e> interest to you. Perhaps you can make the samples by those
" P0 e* r8 E2 l7 `) U* {> specifications. This will allow us to test your radios before we move
# f1 e% E) {; y: {, j' [> forward. We are interested in your 900MHz radio to start.
S+ h" Q) m3 h" }2 |# P5 J; |& I) H |
|