TK83361M 查看數據表（PDF） - Toko America Inc
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TK83361M Datasheet PDF : 15 Pages
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TK83361M
TEST BOARD
Figure 1: Solder Side View (Circuit Side View)
Figure 2: Component Placement View
NOTES:
1. Above test board is laid out for the TEST CIRCUIT (page 3).
2. Scale 1:1 (60mmx60mm)
3. 10.245MHz Fundamental mode crystal, about 30pF load.
4. 455kHz CF, TOKO Type BLFC455D or MURATA Type
CFU455D2 or equivalent.
5. COIL, TOKO Type 7MCS-13546Z or 7MC-8128Z or
equivalent.
APPLICATIONS INFORMATION
12-1. Mixer Section
The mixer consists of a Gilbert cell and a local oscillator. The mixer conversion gain, when Pin 4 is terminated, is 28dB.
The RF input is unbalanced.
12-1-1. A Local OSC
The oscillator included is a general Colpitts type OSC. The drive current of OSC is 200µA. Examples of components are
shown in Fig. 3. The examples are explained in the next paragraph.
Figure 3: Oscillator Components
i) Under Crystal Control
VCC
ii) Parallel LC Components
VCC
1
1
2
2
Page 10
December 2000 TOKO, Inc.
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