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客户要求如下,如果哪家工厂可以做,请和我联系 $ D. e2 e! Y( o2 Z j5 v, W) k0 U
> The application that we have in mind is similar to others that we commonly
$ K2 f/ N+ u9 o> have. If we were to pay for FCC approval, we would want to use the modem 0 E5 |% m) n- q0 s
> units in all similar applications under the same approval number. ' z4 n/ b+ _0 @) e, p' K
> Therefore, we would like to be able to configure the units to a specific ) T$ L& v4 p# o" L9 R6 A" J
> application. For the business that we do, this approach will yield more
9 P) p* a( C/ C% q4 T, ~> sales based on the same product and approval. We are interested in the
2 F: O. v) f2 ~9 A5 E/ O9 u> following specifications: 6 U9 E# F* J9 O8 C
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> - 2 inputs at the Transmitter with three possibilities;
' { o% E/ z7 L2 E5 E> 2 analog " V; Q+ d" i1 {! ~5 ]% D
> 2 digital
$ i, S1 O& Q+ L. K- B> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs , R3 w# m! A: i3 ?) L% [0 T% L( \
>
p* _1 r2 X7 ]& Z1 v> - Ability to configure/define analog Transmitter input ranges through , h: R3 E) B) [
> simple programming method to correspond with full-range analog Receiver
, |' h4 v8 I. S% \! o3 t> outputs (0 - full voltage). 4 H) W. M8 s8 p- u; p5 m
>
+ H) k. ]; r7 `+ G. B, I> - Ability to configure and set sample rates for the inputs. 7 E( i, c" }# e. V, }8 L
>
) ^5 e* u M% Q6 ?% y% k' B> - Digital output on Transmitter that turns on during the sampling period. & x3 t- [$ n- e: w
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> - Ability to configure a power saving Sleep Mode in the Transmitter by
# Q+ u# I0 ~ z- x2 O6 a> both software control and input hardware control.
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> In order to configure the units, we would need a way to make the " t8 W3 i: G' n# a& z! r; p$ L5 q
> settings. This would preferably be from a computer terminal so that 3 L: P2 j T9 d6 \/ U+ l
> configurations can be saved or easily duplicated for production volumes.
+ O0 s' E d+ n> The units should be small and compact with shielding, and able to mount $ T1 q( R$ \9 T# J" J( ?
> to a printed circuit board with header connector. 2 D! y' i) y. ^+ Q8 |6 B& E
>
5 N/ Z5 H3 |: B& ], i> At this time, we are interested in samples of a pair of modems that
4 o+ R% V6 H2 A> might be similar to this proposed system. We do not expect that you # Y; w' Q% l' \2 N' k% a& a1 K
> provide all of these specifications at this time. I can describe our 8 |1 w _- i+ c
> immediate application needs in the next email if this project is of 9 l- U! W( u1 ]
> interest to you. Perhaps you can make the samples by those 9 x. l( M8 e. w
> specifications. This will allow us to test your radios before we move 0 E7 K: q) M, x* B) Z
> forward. We are interested in your 900MHz radio to start.
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