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Short-form kit for the Reciprocal Frequency Counter

A small kit for the Reciprocal Frequency Counter that includes everything except the case and TCXO.

See the link immediately below for a full list of parts included in the kit.

Note: photo shows assembled prototype PCB including some parts that are not included in the kit (primarily the oscillator module).

Cat No SC6742. Price: AUD $60.00 ¹

Add to trolley (available until stock is exhausted)

In stock:

yes (2 available). Estimated dispatch time: 1-3 days

Related to: Project: Reciprocal Frequency Counter (July 2023 [print issue] [online issue])

Other items relevant to this project:

Kit parts list

	1 × 10µH axial inductor
	1 × Solder tag miniature SPDT two-position latching toggle switch
	1 × Solder tag miniature SPDT centre-off latching toggle switch
	1 × Reciprocal Frequency Counter main PCB (CSE230101C)
	1 × Arduino Nano
	1 × 0.96in cyan OLED with SSD1306 controller
	1 × Reciprocal Frequency Counter front panel PCB (CSE230102)

Connectors

	1 × SMA edge connector (female, standard polarity)
	1 × 30-pin low-profile machined pin header (2.54mm pitch)
	1 × 30-pin low-profile machined socket strip (2.54mm pitch)
	1 × 4-pin female socket (2.54mm pitch)
	1 × 2-way vertical polarised header with matching plug & pins (2.54mm pitch)

Semiconductors

	1 × 74HC14D hex schmitt inverter IC (SOIC-14)
	1 × ‎74HC10D triple 3-input NAND gate IC (SOIC-14)
	1 × ‎74HC139D dual 2-to-4 line decoder IC (SOIC-16)
	1 × ‎74HC74D dual D flip-flop with reset IC (SOIC-14)
	1 × ‎ADA4891-2ARZ‎ high GBW op amp IC (SOIC-8)
	2 × ‎‎SN74LV8154PWR‎ 32-bit counter IC (TSSOP-20)
	1 × MCP1661T-E/OT boost regulator (SOT-23-5)
	1 × MBR0540 50V 500mA schottky diode (SOD-123)
	3 × MMDL770T1G diode (SOD-323)

SMD Capacitors

	7 × 10µF 25V M2012/0805 X5R 10%
	7 × 100nF 50V M2012/0805 X7R

SMD Resistors

	4 × 1MΩ ±1% M2012/0805 ⅛W
	1 × 390kΩ ±1% M2012/0805 ⅛W
	2 × 220kΩ ±1% M2012/0805 ⅛W
	1 × 150kΩ ±1% M2012/0805 ⅛W
	2 × 22kΩ ±1% M2012/0805 ⅛W
	3 × 12kΩ ±1% M2012/0805 ⅛W
	4 × 4.7kΩ ±1% M2012/0805 ⅛W
	1 × 1kΩ ±1% M2012/0805 ⅛W

Cable & Hardware

	2 × 3.2mm ID 5mm OD 8mm long plastic untapped spacer
	2 × 4G x 6mm blackened steel countersunk head self-tapping screw
	4 × 12mm Nylon M3 spacer
	4 × 6mm metal panhead M3 screw
	4 × 6mm metal countersunk head M3 screw
	4 × 3mm ID steel M3 flat washer
	2 × 16mm metal panhead M2 screw
	2 × M2 hex nut
	1 × 3 × AA battery holder

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