參數(shù)資料
型號(hào)： TSA6060
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： XO, clock
英文描述： Fast radio tuning PLL frequency synthesizer
中文描述： PLL FREQUENCY SYNTHESIZER, 200 MHz, PDIP16
封裝： 0.300 INCH, PLASTIC, MO-001AE, SOT-38-1, DIP-16
文件頁(yè)數(shù)： 5/16頁(yè)
文件大?。?/td> 236K
代理商： TSA6060
1995 Nov 23
5
Philips Semiconductors
Product specification
Fast radio tuning PLL frequency
synthesizer
TSA6060
The bit organization of the 4 data bytes is shown in Fig.3. Further information is given in Tables 2, 3, 4 and 5.
The bits S0 to S16 (DB0: D7 to D1; DB1: D7 to D0; DB2: D1 to D0) together with bit FM/AM (DB2: D5) are used to set
the divider of the input frequency at inputs AM
I
(pin 7) or FM
I
(pin 5). If the system is in-lock the following is valid, as
shown in Table 1.
Table 1
System-in-lock (note 1).
Note
1.
The minimum dividing ratio for the AM mode is 2
6
= 64 and for the FM mode is 2
8
= 256.
FM/AM
INPUT FREQUENCY (f
i
)
INPUT
0
1
(S2
×
2
0
+ S3
×
2
1
..... + S15
×
2
13
+ S16
×
2
14
)
×
f
ref
(S0
×
2
0
+ S1
×
2
1
..... + S15
×
2
15
+ S16
×
2
16
)
×
f
ref
AM
FM
Table 2
Bit CP is used to control the charge pump
current (DB0: D0).
Table 3
Bits REF1 and REF2 are used to set the
reference frequency applied to the phase
detector (DB2: D7 to D6).
Table 4
Bit FM/AM OPAMP controls the switch AM/FM,
FM/AM in the tuning voltage amplifier circuits
(DB2: D4).
CP
CURRENT
0
1
LOW
HIGH
REF1
REF2
REFERENCE
FREQUENCY (kHZ)
0
0
1
1
0
1
0
1
1
10
25
50
FM/AM
OPERATIONAL
AMPLIFIER
SWITCH
FM/AM
AM/FM
1
0
closed
open
open
closed
Table 5
Bit BS controls the open-collector band switch
output (DB2: D2).
The bit 8/4 MHz controls a divide-by-1/divide-by-2 divider
cell in the reference oscillator section. This allows the use
of a 4 MHz or 8 MHz crystal.
Table 6
Test mode.
The data byte DB3 must be set to 0.....0. It is also used for
test purposes (see Fig.3)).
BS
BAND SWITCH OUTPUT
1
0
sink current
floating
T3
T2
T1
FUNCTION
0
1
0
1
0
1
1
X
0
1
1
0
1
0
0
1
1
1
1
X
X
normal
CP source
CP sink
CP 3-state
CP sink + source
BS = main divider output
BS = reference divider output
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