参数资料
型号: UPC2798GR-A
厂商: CEL
文件页数: 10/15页
文件大小: 0K
描述: IC IF DOWN CONVERT 20-SSOP
标准包装: 1
系列: UPC2798GR
RF 型: QAM
频率: 30MHz ~ 250MHz
混频器数目: 1
增益: 74dB
噪音数据: 9dB
次要属性: 降频变频器
电流 - 电源: 45mA
电源电压: 4.5 V ~ 5.5 V
包装: 散装
封装/外壳: 20-SSOP(0.173",4.40mm 宽)
供应商设备封装: 20-SSOP
UPC2798GR
PIN FUNCTIONS
Pin
No.
1
Pin
Name
AGC IN1
Pin Voltage
Typ. (V)
1.5
Function and Explanation
RF input pins. Pins 1 and 2 are each base inputs
Equivalent Circuit
4
to a differential amplifier. In the case of a single-ended
input, bypass the unused pin to ground through a
capacitor.
AGC
Control
2
AGC IN2
1.5
1
2
Reg
3
V AGC
0~5
Gain control pin of the mixer input amplifier. V AGC up
4
= gain up. It is recommended to use a 100k ? voltage
divider at this pin.
3
AGC
Control
4
V CC 1
5.0
Supply voltage pin for the downconverter block. This
pin should be connected with a bypass capacitor
(e.g., 1000 pF) to minimize ground impedance.
5
OSC OUT
4.0
Output pin for the internal oscillator. This pin may be
4
connected to the input of a PLL synthesizer.
5
REG
6
GND
0.0
Ground pin. This pin must be connected to system
ground. Form ground pattern as wide as possible to
minimize ground impedance.
7
OSC B2
2.4
Input pins for the internal oscillator. The internal
oscillator consists of a balanced amplifier.
8
9
OSC C1
OSC C2
4.6
4.6
7
8
4
9
10
Reg
Reg
10
OSC B1
2.4
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