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WL600KG 데이터시트 PDF




Zarlink Semiconductor Inc에서 제조한 전자 부품 WL600KG은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 WL600KG 자료 제공

부품번호 WL600KG 기능
기능 2.4 - 2.5GHz RF and IF Circuit
제조업체 Zarlink Semiconductor Inc
로고 Zarlink Semiconductor Inc 로고


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WL600KG 데이터시트, 핀배열, 회로
This product is obsolete.
This information is available for your
convenience only.
For more information on
Zarlink’s obsolete products and
replacement product lists, please visit
http://products.zarlink.com/obsolete_products/




WL600KG pdf, 반도체, 판매, 대치품
Preliminary Information WL600C
Pin
Ref
Type
Description
20
RXDB
OUT
Data comparator output
21
GND_RF
GND
Ground for LNA, mixer, IF summation, and PA driver circuits
22
IF_OUT-
OUT
Downconverter output, requires external load and RFC
23
IF_OUT+
OUT
Downconverter output, requires external load and RFC
24
GND_PADDLE
GND
Ground for substrate and package paddle
25
VCC_RF
VCC
Power supply for mixer, summation, and PA ramp circuits
26
GND_RF
GND
Ground for LNA, mixer, IF summation, and PA driver circuits
27
VCC_LNA
VCC
Power supply for LNA
28
GND_RF
GND
Ground for LNA, mixer, IF summation, and PA driver circuits
29 RF_IN IN LNA input, AC couple
30 LNA_DEGEN I/O LNA degeneration, connect to ground
31 LNA_DEGEN I/O LNA degeneration, connect to ground
32
DRIVE
OUT
Power amplifier driver output, requires external load and RFC
33
VCC_PA
VCC
Power supply for power amplifier driver
34
GND_RF
GND
Ground for LNA, mixer, IF summation, and PA driver circuits
35
RAMP_CAP
I/O PA ramp circuit timing capacitor connection
36 PA_ON IN PA ramp circuit control input:
PA on = logic high, PA off = logic low
37 STDBYB IN Power down control input:
active= logic high, standby = logic low
38 TX/RXB IN Transmit/Receive control input:
transmit = logic high, receive = logic low
39
GND_LO
GND
Ground for LO buffer, phaseshifter, and standby circuitry
40 LO_IN IN Local oscillator input, AC couple
41
VCC_LO
VCC
Power supply for LO buffer, phaseshifter, and standby circuitry
42 DATA_IN+ IN Data comparator input
43 DATA_IN- IN Data comparator input
44
BUFFER_OUT-
OUT
x2 buffer output
45
BUFFER_OUT+
OUT
x2 buffer output
46 CLAMP - I/O Data clamp, knee voltage set by pin 7, AC couple
47 CLAMP + I/O Data clamp, knee voltage set by pin 7, AC couple
48
GND_PADDLE
GND
Ground for substrate and package paddle
3

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WL600KG 전자부품, 판매, 대치품
WL600C Preliminary Information
Electrical Characteristics (cont)
These characteristics are guaranteed over the following conditions (unless otherwise stated):
TAMB = -20°C to + 85°C VCC = 2.7V to 3.6V,
Characteristic
Value
Unit Condition
Min Typ Max
BUFFER AMP
Buffer amplifier gain
2
Input common mode range
1.2
Vcc-0.5
V
Output common mode
Vcc-1.5
V
Max difference between inputs
450 mV Amp will limit outside this range
Output pull down current
350 µA
STANDBY INPUT
Chip must be in receive mode
when switching to/from standby
Logic low voltage
0
0.8 V Circuit powered down
Logic high voltage
Vcc-0.7
Vcc V Circuit powered up
Input current
100 µA
Standby to receive time
µs
Functional Description
Receive
The RF input stage of the WL600C receiver is a 2.5GHz
low noise amplifier (LNA). The output of the single ended LNA
is split and fed into the inputs of two mixers which form an
image rejecting down converter. An external oscillator (2.357
2.457GHz)is fed through an RC phase shift network to
provide the required quadrature local oscillator signal.
The mixer outputs are fed through further phase shift
networks and are combined to form a differential 43MHz IF
signal which is used to drive the 43MHz SAW filter.
The output of the SAW filter is fed into a differential limiting
strip which provides the IF gain. The strip has a series of
detectors whose output provides an analog voltage indicating
receive signal strength (RSSI). Alternatively, for basic
applications a comparator connected to the RSSI detectors
can be used. When the RSSI signal is greater than a value set
by the CCA_THRESHOLD input the clear channel
assessment (CCAB) output goes high.
A conventional quadrature demodulator (with external
tuned circuit to supply the quadrature drive) provides the
analogue data stream which is then AC coupled to a data slice
comparator. A clamp circuit is connected between the
comparator inputs to provide DC restoration of the AC coupled
signal. The comparator output then goes to the data and clock
recovery circuits on a CMOS integrated circuit (such as the
WL102).
Transmit
The local oscillator signal is also used in transmit at a
higher frequency (2.4 2.5GHz) and is buffered and amplified
on the WL600C. This provides the drive to the transmit power
amplifier (also off chip).
A ramp circuit is included to control the drive level to the
power amplifier in a controlled manner. This is done at the start
and end of a transmit sequence and should be used to prevent
the generation of spectral splash. A single external capaci-
tor controls the rate of increase and decrease of the power
drive level.
6

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