UPC1685G
UPC1685G is GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC manufactured by NEC.
DESCRIPTION
The µPC1685G is Silicon monolithic IC designed for UHF band receiver applications. This IC consists of double balanced mixer, local oscillator, IF amplifier, and voltage regulator. The package is 8-pin SOP suitable for high-density surface mount.
FEATURES
- UHF band operation
- Good capability of UHF-varactor diode due to balanced amplifier oscillator
- Supply voltage: 5 V
- Packaged in 8-pin SOP suitable for high-density mounting
APPLICATIONS
- Tuners for TV and VCR
- Receivers for UHF band
ORDERING INFORMATION
Part Number Package 8-pin plastic SOP (225 mil) Package Style Embossed tape 12 mm wide. Pin 1 indicates pull-out direction of tape. Qty 2.5 kp/reel.
µPC1685G-E1
Remark To order evaluation samples, please contact your local NEC office. (Part number for sample order: µPC1685G)
Caution Electro-static sensitive devices
The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability and additional information.
Document No. P14483EJ2V0DS00 (2nd edition) (Previous No. ID-2330) Date Published October 1999 N CP(K) Printed in Japan
The mark shows major revised points.
©
1988, 1999
µPC1685G
INTERNAL BLOCK DIAGRAM
8 7 6 5
PIN CONFIGURATION (Top View)
1. OSC base (bypass)
IF Pre Amp.
1 2
8 7 6 5
2. OSC base (feedback) 3. OSC collector (coupling) 4. VCC 5. IF output (open collector) 6. GND
OSC Buffer MIX
3 4
REG.
7. RF input1 (bypass) 8. RF...