|
|
. [8 F' H1 O j0 w客户要求如下,如果哪家工厂可以做,请和我联系 / u' H3 u' v! W# I+ N0 Z$ g! Z0 B
> The application that we have in mind is similar to others that we commonly ) k3 g: k5 a- [& F! K2 q4 z/ r
> have. If we were to pay for FCC approval, we would want to use the modem $ d2 }% k9 u7 A4 o7 q
> units in all similar applications under the same approval number. ) l3 g0 U3 B7 I* g; `4 u
> Therefore, we would like to be able to configure the units to a specific
7 O- K/ a: D( b, l9 b% K> application. For the business that we do, this approach will yield more
" {$ b9 G' P q3 e> sales based on the same product and approval. We are interested in the ) N( M; q+ T& ~2 u) i
> following specifications: ' _1 Z) f3 Z) K& {
> 4 k$ `+ ^1 Z( E! D
> - 2 inputs at the Transmitter with three possibilities;
; N1 A& f& u: X5 H$ y> 2 analog
4 }2 |+ `4 p% M# K1 u> 2 digital & N8 L9 C/ f# Z ?
> 1 analog and 1 digital
. N! q- G& `, o> $ A; \# b# y* t' x7 f
> - 2 outputs at the Receiver with three possibilities to match inputs & G$ R' P7 L! J% b* K: S- A+ {
>
* [) X1 h$ d7 d; ?/ C8 e> - Ability to configure/define analog Transmitter input ranges through
+ T/ ]7 m7 ^0 ?> simple programming method to correspond with full-range analog Receiver 2 n+ t! U3 N) y6 x
> outputs (0 - full voltage). ( {8 \8 J m( V8 M) x5 D( E
>
" e0 l: _( n- q* Q. @7 F& D> - Ability to configure and set sample rates for the inputs. * J2 N9 \6 r- V+ z
>
# I* o2 i9 d- _5 L5 { [4 `- L> - Digital output on Transmitter that turns on during the sampling period.
# x# J7 m7 g6 s1 Y>
% |1 |9 {% q( m2 R> - Ability to configure a power saving Sleep Mode in the Transmitter by ! S: ?3 S$ Q" P3 Y5 E3 y% l
> both software control and input hardware control.
6 M7 p7 q7 _, `, L9 `/ a2 e>
i0 ^2 L" ?: ~" v$ T% A> In order to configure the units, we would need a way to make the 2 i4 \. H6 |' l# |
> settings. This would preferably be from a computer terminal so that
2 S' u3 M' S# p# S! u4 S3 H1 P> configurations can be saved or easily duplicated for production volumes.
& k+ x9 i" W/ o0 G* e> The units should be small and compact with shielding, and able to mount
2 M1 C; V1 |& T% y: ^; X> to a printed circuit board with header connector.
' X% Z" g. [7 P- |>
( f, J' |3 b3 |> At this time, we are interested in samples of a pair of modems that - z3 h2 H6 p& s# F4 {! Y
> might be similar to this proposed system. We do not expect that you % y- g4 @; @: A+ c
> provide all of these specifications at this time. I can describe our
( E1 s) l& Q( Q! F> immediate application needs in the next email if this project is of
( E, e0 ]9 ^, u6 ?+ h1 p3 _0 {> interest to you. Perhaps you can make the samples by those ! i: M, H" j9 V/ g( L
> specifications. This will allow us to test your radios before we move
9 E3 t; u1 B4 g. N* a> forward. We are interested in your 900MHz radio to start. : d( O) d5 H3 f: I7 d6 _9 c
|
|