|
|
) c- e% k4 O/ H# b9 h客户要求如下,如果哪家工厂可以做,请和我联系
6 i/ f& ^4 y6 ?& p& q( E1 ~> The application that we have in mind is similar to others that we commonly
2 L+ z7 w7 o" W2 ~> have. If we were to pay for FCC approval, we would want to use the modem 9 S; U! i2 C" |4 B0 V3 \ v
> units in all similar applications under the same approval number. ) @6 f0 _$ y9 N; o V* Z3 g
> Therefore, we would like to be able to configure the units to a specific
% F3 E/ O, ^1 T; }0 w& w> application. For the business that we do, this approach will yield more / b ?& A( |) R/ W! O/ K
> sales based on the same product and approval. We are interested in the
0 y K) ?" B$ h) e8 a, m> following specifications:
4 o0 X; u9 @0 i" w2 [& G3 Y> # p! x7 K$ l" E; j/ x- g1 {, s! V
> - 2 inputs at the Transmitter with three possibilities;
! r/ Y: Y! P/ [1 o) t/ e+ g" h1 h> 2 analog
/ i( [- G! s" e+ o> 2 digital " y" Q: j$ W4 g' i: [
> 1 analog and 1 digital / Z2 O7 r3 x' S, ]" d% J
>
8 C }, E7 k. J0 s: y( m> - 2 outputs at the Receiver with three possibilities to match inputs
$ }$ d* O8 l9 s; w, s> 9 i4 ]% S$ f9 S, g5 P: g4 r
> - Ability to configure/define analog Transmitter input ranges through
" J* Z# g4 L) g> simple programming method to correspond with full-range analog Receiver
+ ^( E+ l, E$ @; T, y: Q' [; w> outputs (0 - full voltage).
9 m. S. E$ g' n6 e>
5 j$ s' g+ Y8 f% ^* p( r& q( K+ s- r> - Ability to configure and set sample rates for the inputs.
: _' p( J- s4 D( |# q, f; k> " ?) ]$ ~6 Q& n
> - Digital output on Transmitter that turns on during the sampling period. 0 e' e8 W, z! s: P" M7 a0 N
>
& j4 N; Z, {# ?0 c; F2 o> - Ability to configure a power saving Sleep Mode in the Transmitter by
; s* G- G$ _2 K9 S) |! C% V0 f> both software control and input hardware control.
[% k) k3 ], l& q7 p# u2 x& L>
! Y& |( R R6 p* @; B- j4 R7 n' c& y> In order to configure the units, we would need a way to make the
8 c6 f0 v. J! {> settings. This would preferably be from a computer terminal so that
* R4 L8 z7 W$ F) U/ x2 S0 ~0 y> configurations can be saved or easily duplicated for production volumes.
. Y" s; |/ D5 @6 q, s; H> The units should be small and compact with shielding, and able to mount
# X5 G5 M( f3 ^> to a printed circuit board with header connector. Q* L' G( s; t1 L$ ]
> b" k+ i9 P# q) V9 K y
> At this time, we are interested in samples of a pair of modems that V/ E, ]& F7 M
> might be similar to this proposed system. We do not expect that you
/ `0 T) I! _% o" ^, Q$ @3 X5 S% u> provide all of these specifications at this time. I can describe our
; H+ m& r0 n! ~5 U$ c- c. f8 G) g> immediate application needs in the next email if this project is of ; v! w n W+ M$ T4 f% j D- u* \; o
> interest to you. Perhaps you can make the samples by those 5 J ~1 j: J5 t3 l
> specifications. This will allow us to test your radios before we move . ~/ G6 w% P( ~
> forward. We are interested in your 900MHz radio to start.
8 i4 ~- l+ a8 ]3 u' c# M" m, p, } |
|