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參數資料
| 型號： | U2305B-AFSG3 |
| 英文描述： | VHF/ UHF-Tuner-IC |
| 中文描述： | 甚高頻/超高頻調諧器集成電路 |
| 文件頁數： | 2/8頁 |
| 文件大小： | 200K |
| 代理商： | U2305B-AFSG3 |
U2305B
TELEFUNKEN Semiconductors
Rev. A1, 10-Sep-96
2 (8)
Preliminary Information
Pin Description
1
2
3
4
5
6
7
8
10
9
27
22
21
20
18
19
17
12
11
28
25
26
23
24
Osc B, coll.
Osc B, base
Osc C, base
Osc C, coll.
Osc C, coll.
Osc C, base
Osc B, base
Osc B, coll.
Band sw.
Osc A, coll.
GND (common)
Osc A, base
RF in, B
RF in, B
RF in, C
RF in, C
V
S
Mix out
RF in, A
RF in, A
Mix out
GND (RF)
L.O. out
L.O. out
16
15
14
13
95 10886
SAWF, out
SAWF, out
SAWF, inp.
SAWF, inp.
Pin
1
2
Symbol
Osc A, base Oscillator band A, base
GND
(common)
Osc A, coll. Oscillator band A, collector
Osc B, base Oscillator band B, bases
Osc B, coll. Oscillator band B, collectors
Osc C, base Oscillator band C, bases
Osc C, coll. Oscillator band C, collectors
Band sw.
Tri-state band switch
SAWF, out
SAW filter driver outputs
SAWF, inp. SAW filter driver inputs
Mix out
Mixer outputs, open collec-
tor
V
S
Supply voltage V
s
RF in, C
RF inputs, band C
RF in, B
RF inputs, band B
RF in, A
RF inputs, band A
GND (RF)
Ground, RF part
L.O. out
L.O.-outputs
Function
Ground, common
3
4, 7
5, 6
8, 11
9, 10
12
13, 14
15, 16
17, 18
19
20, 21
22, 23
24, 25
26
27, 28
Ordering Information
Extended Type Number
U2305B-AFSG3
Package
SSO28
Remarks
Taped and reeled
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