|
|
2 p3 T( w" x' o! U
客户要求如下,如果哪家工厂可以做,请和我联系 5 L' ~0 C$ ?" n3 j9 b5 i- Z
> The application that we have in mind is similar to others that we commonly
7 ~8 ^! p8 D1 E) V- k) ]> have. If we were to pay for FCC approval, we would want to use the modem
+ B3 C( |% q" f. r' }) a> units in all similar applications under the same approval number. ( R( B# f$ _% t. O# ~
> Therefore, we would like to be able to configure the units to a specific $ J' a- I2 T( S7 ?7 [2 o; Q+ K) m
> application. For the business that we do, this approach will yield more
: n: G- c% X2 }; a> sales based on the same product and approval. We are interested in the 3 J( ?7 u$ w3 I
> following specifications: 3 c* z! X9 R, B4 } d5 S
>
" o4 o* s+ E# R+ |> - 2 inputs at the Transmitter with three possibilities; 7 h# b& t a' G# B+ ~ b
> 2 analog : Y8 E' z j$ E& I7 i0 D
> 2 digital F3 [: b; ^6 a$ u+ o
> 1 analog and 1 digital 6 P. F0 G6 a) x, ?0 G. M
> 8 b( S T6 s- H3 F# v
> - 2 outputs at the Receiver with three possibilities to match inputs : u2 F& t3 ~: D G( W! F" s x
> n; C* F2 V7 w9 c* J# @0 D# ?7 o# j% i
> - Ability to configure/define analog Transmitter input ranges through 4 U/ ~9 o1 T) o- y
> simple programming method to correspond with full-range analog Receiver
+ n% y/ r* C0 W. a> outputs (0 - full voltage).
7 S1 t. A5 \- [$ p5 v. S>
4 h# f* l4 D. C7 {> - Ability to configure and set sample rates for the inputs. % g6 `6 C7 W# s- r: I/ S* x
>
! [8 \* I9 W; ?& M> - Digital output on Transmitter that turns on during the sampling period.
* ~+ t( A1 @, X# D5 G>
; _3 c; s2 B. v0 V! c" {> - Ability to configure a power saving Sleep Mode in the Transmitter by 7 h7 n# m: E$ r
> both software control and input hardware control.
7 |1 {+ [, e; {> 1 b0 E$ S% G, @! P3 L- g
> In order to configure the units, we would need a way to make the
; r2 e+ i1 Z1 D2 N& U4 S( Z> settings. This would preferably be from a computer terminal so that
2 R5 N, g Z. \> configurations can be saved or easily duplicated for production volumes.
' r3 V9 @1 n4 U1 w0 q( j4 T& `; O9 e> The units should be small and compact with shielding, and able to mount ! ?- I- f) V6 j4 `' k' Y, f" Y
> to a printed circuit board with header connector.
. q# S& G+ S3 W4 b" S2 w( v> 8 v% l; B3 b: ?! U% r5 f4 t# S$ d
> At this time, we are interested in samples of a pair of modems that
0 O9 E% }. ~5 C> might be similar to this proposed system. We do not expect that you
: J0 V! ?2 l# `% S2 t; s, v+ b& C> provide all of these specifications at this time. I can describe our ) C6 b+ ]4 b" r9 z) m
> immediate application needs in the next email if this project is of
! Q6 ?9 @# S: c; T> interest to you. Perhaps you can make the samples by those
: F9 _( S$ X5 ~' k5 C8 s> specifications. This will allow us to test your radios before we move $ A* [. N! T3 f( s- k/ j+ ]% P
> forward. We are interested in your 900MHz radio to start. 7 r. }0 [5 S5 S ?. ?( d
|
|