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: S8 Z/ S9 W8 t客户要求如下,如果哪家工厂可以做,请和我联系 4 q" h4 p3 l$ i, b4 t# v% \
> The application that we have in mind is similar to others that we commonly 8 D6 D! Y( S* Z
> have. If we were to pay for FCC approval, we would want to use the modem A4 x7 @6 K! |% d
> units in all similar applications under the same approval number.
7 Z6 ^8 y8 A% w8 \> Therefore, we would like to be able to configure the units to a specific 1 \$ J! {! H/ u
> application. For the business that we do, this approach will yield more
9 c( |$ M6 q4 C, \ o1 j* V> sales based on the same product and approval. We are interested in the & |/ G, Z7 ?4 s5 [
> following specifications:
2 s6 ?: b! A( u- R5 d>
+ Y1 A$ Q; E- x! E6 D+ m> - 2 inputs at the Transmitter with three possibilities;
+ I$ C* B" D- A2 r, K> 2 analog
9 J' a# b8 |7 o N1 H> 2 digital ' ?: w9 S p C
> 1 analog and 1 digital , w( j5 ^: O: C
> ( R. g G- H- I/ o1 `* i' x
> - 2 outputs at the Receiver with three possibilities to match inputs - l3 r# q$ ^( @2 t
>
/ S6 Y; r: A3 K9 l> - Ability to configure/define analog Transmitter input ranges through
' }+ H$ u) Q) h) y0 O1 N> simple programming method to correspond with full-range analog Receiver 2 C5 v1 V9 h% U1 @# D) s/ E- s4 G& E
> outputs (0 - full voltage).
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$ W* W+ N- f* I8 V' `, Q' o> - Ability to configure and set sample rates for the inputs. ! B% r( \ [5 ^/ y/ ]. z
>
* A6 r8 F- b, H' q& u% P% Q. r$ l> - Digital output on Transmitter that turns on during the sampling period.
& Q: i2 _& X- w9 Q$ `> ' h+ @3 F3 }8 V5 q2 R& n
> - Ability to configure a power saving Sleep Mode in the Transmitter by
) b2 y. A8 }# z1 {+ Z1 U, j# H> both software control and input hardware control. 5 y' n7 v! t2 q$ s9 _ R$ k
> & \$ K! b) t$ X1 g: D
> In order to configure the units, we would need a way to make the
$ G J6 D' ~. X6 m4 x: h, w> settings. This would preferably be from a computer terminal so that ! G! s5 K; M5 R! o- F. b
> configurations can be saved or easily duplicated for production volumes.
9 |1 K: s: C2 Z( \- v1 B# z. W> The units should be small and compact with shielding, and able to mount ! _& Z1 T" A* S- u
> to a printed circuit board with header connector. $ e4 G1 I8 S0 G( y6 a- U- ?: L) |
>
, W; g& l8 N0 N# \# O% e+ P5 t> At this time, we are interested in samples of a pair of modems that * o1 x( N+ V1 U# E/ ^. R
> might be similar to this proposed system. We do not expect that you : s* C, @) s$ W, f8 H, {, t
> provide all of these specifications at this time. I can describe our 7 u4 D* W& p6 o6 c7 ~' I
> immediate application needs in the next email if this project is of
% W5 @1 h7 J& [: j> interest to you. Perhaps you can make the samples by those
' y" S1 q7 D3 Y. A, J> specifications. This will allow us to test your radios before we move ' v8 e o4 @# B' {8 c& p; U
> forward. We are interested in your 900MHz radio to start. * N/ r E5 ]( w6 j) }
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