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/ m0 U5 X% U1 V& Q. n: K客户要求如下,如果哪家工厂可以做,请和我联系 1 `; L& A* A5 U$ h! h, Y. I/ I
> The application that we have in mind is similar to others that we commonly
2 B$ _/ ?% t) t> have. If we were to pay for FCC approval, we would want to use the modem $ C& v/ j9 h0 `
> units in all similar applications under the same approval number. & ^; c% x6 |( |# O6 i2 I
> Therefore, we would like to be able to configure the units to a specific 8 b9 v; x. U9 j# o
> application. For the business that we do, this approach will yield more % Q& t* y+ @0 a0 y; a
> sales based on the same product and approval. We are interested in the
. _" c; c. B! E9 f; _$ x; K> following specifications:
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3 L4 K U8 I/ @7 V( E) N> - 2 inputs at the Transmitter with three possibilities; [+ s' E/ ]/ x
> 2 analog
: A" ~+ g! _/ @4 X( c. N> 2 digital ( Q3 B- I7 L1 x) [6 {/ d3 Y
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs 3 ^. R9 C' H& G) X P7 \
>
! u# `* e9 ^& X2 u+ a# E> - Ability to configure/define analog Transmitter input ranges through & R0 i4 s1 O2 @" H. l
> simple programming method to correspond with full-range analog Receiver 7 i1 Y1 N: j& H6 C) X
> outputs (0 - full voltage). ' n9 ~* m; F- u4 o8 }4 Z
> ' ]6 s' u8 ~" J4 ]1 C
> - Ability to configure and set sample rates for the inputs.
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+ ^$ a* C; ~( [ q> - Digital output on Transmitter that turns on during the sampling period.
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> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 ?( f' }# v m9 u> both software control and input hardware control. $ w9 H6 r+ G2 d& k6 t5 |
>
* Z! [2 w. ?. }+ Y! h6 n7 K> In order to configure the units, we would need a way to make the + N' ^' o# U" I* s# Q7 Q, x( B6 h
> settings. This would preferably be from a computer terminal so that
) j5 B' |2 w8 c1 m R> configurations can be saved or easily duplicated for production volumes. 8 E7 N8 k# y2 O
> The units should be small and compact with shielding, and able to mount
1 P* g: Q' V2 ~; L! n p> to a printed circuit board with header connector. 4 B# X n* G* Z. d2 ?" n
> ( ?2 p0 z: D' J) i9 F; B+ ]! ]
> At this time, we are interested in samples of a pair of modems that 3 `& U, S4 y; U8 @- ]( `. g$ E
> might be similar to this proposed system. We do not expect that you ' Z; _8 Q u* v, o4 y5 V
> provide all of these specifications at this time. I can describe our
. Z' S* x( G. D, E> immediate application needs in the next email if this project is of
! i* j3 ]: j* b$ Y F3 @' T" n> interest to you. Perhaps you can make the samples by those ( M4 h2 g5 {5 F/ G9 O+ y
> specifications. This will allow us to test your radios before we move
1 x; m. h/ H3 u; U% l+ f> forward. We are interested in your 900MHz radio to start. 1 s. y# @: u" y: S' G9 J, ^
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