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, f8 r. D) _( @' t0 s客户要求如下,如果哪家工厂可以做,请和我联系 9 r5 N' W& r+ Z; f% ~ F+ ]0 Q$ F2 E
> The application that we have in mind is similar to others that we commonly
8 |) F; n5 G$ Z1 d> have. If we were to pay for FCC approval, we would want to use the modem 3 G4 `) s% i# i4 ~
> units in all similar applications under the same approval number.
" J; p/ L/ k$ O( q; k' J% a# ]2 e# D& U A> Therefore, we would like to be able to configure the units to a specific / O& v7 Z9 S# @ r" w# p- _4 Q
> application. For the business that we do, this approach will yield more
$ x2 I$ h; |% Y, q; k. v X( _> sales based on the same product and approval. We are interested in the
' |0 o5 q7 \+ v, A4 |6 r8 X# }> following specifications:
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- q. H6 k1 K& Y; n6 j> - 2 inputs at the Transmitter with three possibilities; % q; I0 \3 B" }/ m
> 2 analog
! t8 d | ?# _+ J& p> 2 digital
" }* i* a( i( V* d( ?$ a/ I/ M2 `> 1 analog and 1 digital 9 m7 q* O1 u8 D' e# O1 I2 a
>
) u+ g& x$ R* I2 x2 }> - 2 outputs at the Receiver with three possibilities to match inputs - l6 [# ]# A% G s/ j
>
! ?) I; Z4 U9 |4 [6 A> - Ability to configure/define analog Transmitter input ranges through k7 w4 U; F# B1 g1 [8 G4 j8 B" |* E
> simple programming method to correspond with full-range analog Receiver
H3 Z9 ?1 z$ G. m> outputs (0 - full voltage). , P9 P+ Q. I5 k/ r
>
. c; ~0 P! A/ z% L> - Ability to configure and set sample rates for the inputs. 1 _' e: \+ s# \3 E# F* g
>
: m3 Z4 c7 X4 `> - Digital output on Transmitter that turns on during the sampling period. 7 z& @; U+ [/ o2 U, m5 a) G+ o: }" C
> 7 ~1 t+ h P8 r' i$ y( Q
> - Ability to configure a power saving Sleep Mode in the Transmitter by
; c; O$ w* g8 n7 P7 ]! M0 D> both software control and input hardware control.
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3 S+ c) R- [8 u$ e- e" Z> In order to configure the units, we would need a way to make the
1 f" T7 p6 a6 {2 h: ?) t# T2 o1 [> settings. This would preferably be from a computer terminal so that
8 I! B; s: ^8 k1 b& K> configurations can be saved or easily duplicated for production volumes. 4 q' O; h* N* p) S7 n" r
> The units should be small and compact with shielding, and able to mount 9 }* {- E1 x+ X
> to a printed circuit board with header connector. ' |, C4 O- l. B: E% x0 L# |
>
" g1 {, T) t6 ?2 M/ o> At this time, we are interested in samples of a pair of modems that ' A* L, h [) l. N
> might be similar to this proposed system. We do not expect that you
2 u; N8 C" d8 x' V- A. s( \> provide all of these specifications at this time. I can describe our
/ I( [3 g! G0 u+ y1 C5 r> immediate application needs in the next email if this project is of
$ C! [5 ~; g" E1 I' p1 V> interest to you. Perhaps you can make the samples by those
' K9 N/ w" @9 n, `" k; q> specifications. This will allow us to test your radios before we move # k5 x9 l, ?9 |6 C* ~
> forward. We are interested in your 900MHz radio to start.
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