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參數(shù)資料
| 型號(hào)： | MAX2620 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 10MHz to 1050MHz Integrated RF Oscillator with Buffered Outputs |
| 中文描述： | 10MHz至1050MHz、集成RF振蕩器，提供緩沖輸出 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 105K |
| 代理商： | MAX2620 |
M
10MHz to 1050MHz Integrated
RF Osc illator with Buffered Outputs
6
_______________________________________________________________________________________
_______________________________________________________________Pin Desc ription
NAME
FUNCTION
PIN
3
FDBK
Oscillator Feedback Circuit Connection. Connecting capacitors of the appropriate value between FDBK and
TANK and between FDBK and GND tunes the oscillator’s reflection gain (negative resistance) to peak at the
desired oscillation frequency. Refer to the Applications Informationsection.
2
TANK
Oscillator Tank Circuit Connection. Refer to the Applications Informationsection.
1
VCC1
Oscillator DC Supply Voltage. Decouple VCC1 with 1000pF capacitor to ground. Use a capacitor with low
series inductance (size 0805 or smaller). Further power-supply decoupling can be achieved by adding a
10
resistor in series from VCC1 to the supply. Proper power-supply decoupling is critical to the low noise
and spurious performance of any oscillator.
8
OUT
Open-Collector Output Buffer. Requires external pull-up to the voltage supply. Pull-up can be resistor,
choke, or inductor (which is part of a matching network). The matching-circuit approach provides the high-
est-power output and greatest efficiency. Refer to Table 1 and the Applications Informationsection. OUT
may be used with
OUT
in a differential output configuration.
7
VCC2
Output Buffer DC Supply Voltage. Decouple VCC2 with a 1000pF capacitor to ground. Use a capacitor with
low series inductance (size 0805 or smaller).
6
GND
Ground Connection. Provide a low-inductance connection to the circuit ground plane.
5
OUT
Open-Collector Output Buffer (complement). Requires external pull-up to the voltage supply. Pull-up can be
resistor, choke, or inductor (which is part of a matching network). The matching-circuit approach provides
the highest-power output and greatest efficiency. Refer to Table 1 and the Applications Informationsection.
OUT
may be used with OUT in a differential output configuration.
4
SHDN
Logic-Controlled Input. A low level turns off the entire circuitry such that the IC will draw only leakage current
at its supply pins. This is a high-impedance input.
_____________________________Typic al Operating Charac teristic s (c ontinued)
(Per Typical Operating Circuit V
CC
= +3.0V, V
TUNE
= 1.5V,
SHDN
= V
CC,
load at OUT = 50
, load at
OUT
= 50
, L1 = coaxial
ceramic resonator: Trans-Tech SR8800LPQ1357BY, C6 = 1pF, T
A
= +25°C, unless otherwise noted.)
-114
-112
-110
-108
-106
-104
-40
-20
0
TEMPERATURE (°C)
20
40
60
80
PHASE NOISE vs. TEMPERATURE
M
S
SSB @
f = 25kHz
L1 = 5nH INDUCTOR
C6 = 1.5pF
L1 = COAXIAL CERAMIC RESONATOR
(TRANS-TECH SR8800LPQ1357BY)
C6 = 1pF
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0
1.3
2.6
3.9
5.2
6.5
OUTPUT SPECTRUM
FUNDAMENTAL NORMALIZED TO0dB
M
FREQUENCY (GHz)
R
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
0.1
10
1000
100
SINGLE SIDEBAND PHASE NOISE
M
OFFSET FREQUENCY (kHz)
S
1
L1 = 5nH INDUCTOR
C6 = 1.5pF
L1 = COAXIAL
CERAMIC RESONATOR
(TRANS-TECH
SR8800LPQ1357BY)
C6 = 1pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2620E/D | 制造商:Maxim Integrated Products 功能描述:10MHZ TO 1050MHZ INTEGRATED RF OSCILLATOR WITH BUFFERED OUTP - Gel-pak, waffle pack, wafer, diced wafer on film |
| MAX2620E/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX2620EUA | 功能描述:VCO振蕩器 10MHz - 1050MHz RF Oscillator RoHS:否 制造商:Exar 封裝 / 箱體:SOIC-14 頻率:300 kHz 負(fù)載電容: 封裝:Reel 電源電壓:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作溫度:0 C 最大工作溫度:+ 70 C |
| MAX2620EUA+ | 功能描述:VCO振蕩器 10MHz - 1050MHz RF Oscillator RoHS:否 制造商:Exar 封裝 / 箱體:SOIC-14 頻率:300 kHz 負(fù)載電容: 封裝:Reel 電源電壓:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作溫度:0 C 最大工作溫度:+ 70 C |
| MAX2620EUA+T | 功能描述:VCO振蕩器 10MHz - 1050MHz RF Oscillator RoHS:否 制造商:Exar 封裝 / 箱體:SOIC-14 頻率:300 kHz 負(fù)載電容: 封裝:Reel 電源電壓:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作溫度:0 C 最大工作溫度:+ 70 C |
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